The room rate includes the spa and gym. Children staying at the hotel swim with an adult 8 to 10am and 4 to 5pm. Ask for a courtyard-facing Superior King for quiet.
The 23 Best Spa Hotels in London (2026)
Twenty-three London hotels with a real spa (treatment rooms, not just a pool), with pool lengths, massage and day-pass prices, whether guests get in free and the age rules. My short answer: Corinthia for the spa, Bvlgari for a swim, Park Plaza Westminster Bridge for value.
The best spa hotels in London twenty-three with real treatment rooms, from £162 to £1,190 a night
If you want the short answer, my pick of London's hotel spas is Biome at Corinthia London, with an indoor pool, two vitality pools, an amphitheatre sauna and a cold plunge, all included with the room. For a long swim, book Bvlgari's 25-metre pool in Knightsbridge; for value, Park Plaza Westminster Bridge has a 15-metre pool and eight treatment rooms from about £261 a night. Every hotel here advertises a spa with treatment rooms on its own site; hotels with only a pool and a gym aren't included. Still choosing an area? Where to stay in London sets them side by side, and for the grand hotels judged on more than their spa, see the best luxury hotels in London.
The hotels are grouped by what you want from the spa: destination spas where the spa is the reason to book, city-centre hotels where a pool comes with the room, smaller spas at treat-yourself prices, and two spa hotels out in Richmond and Teddington. Each entry covers the pool (with its length where the hotel publishes one), the heat and water facilities, a named treatment price, what a day visitor pays, whether hotel guests use the spa free, the age rules and how far you walk to the Tube (subway), plus a link to the hotel's area guide. Spa prices are each spa's own published figures, checked on 25 September 2026; weekend treatments often cost a little more.
Room rates are indicative, mostly for one off-peak night, Tuesday 10 November 2026, from the hotel's own site or Booking.com (each entry says which and when), with a weekend price where it changes the picture. Use them to compare, not as quotes. UK hotel prices include 20 per cent VAT (sales tax), and London has no tourist tax yet. Rates climb during Wimbledon, the summer holidays and the run-up to Christmas, so book summer stays at least three months ahead; the weeks after New Year are the cheapest time for a spa break.
Corinthia London
Destination spas: when the spa is why you're booking. These eight have big spas, with a thermal area, a long pool or a deep treatment menu, and they cost what that implies: £780 to £1,190 a night on an off-peak Tuesday. Corinthia London is the one I'd book for a thermal floor to lose an afternoon on. Its spa, now called Biome (it was ESPA Life), has an indoor pool, two vitality pools, a hydrotherapy pool, an amphitheatre sauna, a steam room, a cold plunge, an ice fountain and sleep pods, plus a private Spa Suite with a Rasul. Hotel guests are included: the Superior King rate for an off-peak Tuesday, £1,020 on the hotel's own site, came with spa and gym access. Embankment station is three minutes' walk. Our Covent Garden and West End hotel guide covers the streets around it.
It's also dear to book into. A 60-minute Wildsmith Rebalancing Massage is £275, and non-residents need a treatment of 60 minutes or more, a day-spa package or a Spa Experience Pass, which is £175 for four hours on weekdays and £200 at weekends. Treatments are for 16s and over, and children staying at the hotel can swim with an adult from 8 to 10am and 4 to 5pm. The pool's length isn't published, so treat the water here as a circuit to relax in rather than a place for lengths.
Bvlgari Hotel London
Bvlgari Hotel London has the pool I'd choose for proper swimming in the centre: 25 metres, colonnaded and clad in Vicenza stone, in the Bvlgari Spa below the hotel on Knightsbridge. Around it are a vitality pool with gold-leaf mosaic, a sauna, a steam room, an ice fountain and a recovery suite with an ice bath and a hyperbaric chamber. A 60-minute personalised massage (hot stone, Swedish or aromatherapy) is £220. Knightsbridge station is four minutes' walk and Harrods six. A Superior King was about £780 on Booking.com for a November Tuesday, £918 flexible. More in our Knightsbridge, Chelsea and Belgravia hotel guide.
The pool and thermal areas are for hotel guests, members and day-spa guests; non-residents reach them only with treatments worth more than £300, so staying is the cheaper way in. The spa is open 7:30am to 8:30pm and is for 16s and over, but children aged eight and up who are staying can swim with an adult from 8 to 10am and 4 to 6pm. The RUBY package (a 60-minute massage, a 30-minute dry float and the spa) is £300.
Stay rather than visit: non-residents reach the pool only with treatments over £300. A 60-minute personalised massage is £220. Knightsbridge station is four minutes' walk.
Hotel Café Royal
Hotel Café Royal is the big spa of Soho and Piccadilly. Akasha has nine treatment rooms, an 18-metre lap pool, a jacuzzi, a Carrara-marble hammam, a sauna, a steam room and a small Watsu pool for in-water treatments, and hotel residents get unlimited use of the facilities. A 60-minute Akasha Aromatherapy Experience is £179. Piccadilly Circus is about a minute's walk. For Tuesday 10 November the hotel's own calendar started at about £942, and at about £640 on nearby nights. See our Soho hotel guide for the neighbours.
It's a members' spa too, so the pool is shared at busy times. Day visitors can buy a six-hour pass for £129, any day of the week. Children aged five to 16 who are staying can swim with an adult (weekdays 9 to 10:30am and 4 to 5:30pm, weekends 9 to 11am and 4 to 6pm) but can't use the hammam, sauna, jacuzzi or gym, and massages are 16-plus. It's open 7:15am to 9pm, with treatments from 9am.
Check the nights either side of your date; the lowest rate on the hotel's calendar moved by about £300 in a week. Day visitors pay £129 for six hours at Akasha.
Mandarin Oriental Hyde Park, London
Mandarin Oriental Hyde Park is the treatment-lover's pick in Knightsbridge. The Spa has 13 treatment rooms and a couples' suite, an amethyst-crystal steam room, a sauna and a vitality pool, and the fitness centre has a 17-metre, two-lane heated pool that hotel guests can use from 6:30am to 9:30pm. Knightsbridge station is a minute from the door. A 34-square-metre Superior facing the courtyard was about £973 on Booking.com for a November Tuesday. More in our Knightsbridge, Chelsea and Belgravia hotel guide.
The heat and water areas aren't a free extra: they come with a treatment of at least 90 minutes from Monday to Thursday, or two hours from Friday to Sunday, and the cheapest named massage, Oriental Qi, is 90 minutes for £305. The alternative is the Mandarin Spa Day at £150 (Monday to Thursday only), which covers the thermal areas, the pool and the gym. The spa and fitness centre are for over-18s, so this isn't one for a family.
Hotel guests swim free from 6:30am; the thermal areas come with a 90-minute treatment or the £150 Mandarin Spa Day (Monday to Thursday). Over-18s only.
Raffles London at The OWO
Raffles London at The OWO has the grandest setting of the big spas: the Guerlain Spa fills four floors, 27,000 sq ft, under the Old War Office on Whitehall, with a 20-metre pool beneath a double-height ceiling, a vitality pool, a sauna, steam rooms, experience showers and VIP treatment suites with soaking tubs. A 60-minute Imperial Relaxing Massage is £220. Westminster and Embankment stations are each six minutes' walk. A Superior Double was about £1,078 on Booking.com for a November Tuesday. More in our Victoria and Westminster hotel guide.
Non-residents can buy a Spa Pass for £185, up to four hours in the pool, sauna and steam (over-16s only). Family swim time for hotel guests is 8 to 10am and 4 to 6pm, and the pool opens at 6:30am on weekdays and 8am at weekends. Treatments run only from 10am to 7pm, so book an early-evening slot before you arrive.
Book treatments early; they run only 10am to 7pm. Family swim is 8 to 10am and 4 to 6pm. The hotel doesn't publish room sizes, so ask what the entry room is.
The Peninsula London
The Peninsula London has the other 25-metre pool in this corner of town, and entry rooms of 51 to 53 square metres, roomy by London standards. The Peninsula Spa has seven treatment rooms including a couples' room, separate men's and women's saunas and steam rooms, and a relaxation lounge with heated loungers, and every treatment includes two hours of the pool and wet areas. Hyde Park Corner station is three minutes' walk. A Deluxe Room King was about £1,190 on Booking.com for a November Tuesday, £1,400 flexible. More in our Knightsbridge, Chelsea and Belgravia hotel guide.
The spa and pool are open 7am to 9pm daily. Treatment prices appear only in the online booking system once you choose a date, so price yours before you travel. Booked direct, Peninsula Time stretches your stay from a 6am check-in to a 10pm check-out for free, so an overnight flight can end in a long spa day.
Book direct for Peninsula Time: check in from 6am and check out as late as 10pm for free, handy after an overnight flight. Hyde Park Corner station is three minutes' walk.
The Connaught
The Connaught has the Aman Spa, by the hotel's account the first outside an Aman resort. It's small and calm: five treatment rooms, a 60-square-metre pool 1.2 metres deep and an aromatic steam room, kept for hotel residents, Aman Spa members and day guests booking 90 minutes or more. A 60-minute Holistic Massage is £240. Bond Street station is seven minutes' walk. A 29-square-metre Courtyard Superior was about £1,170 on Booking.com for a November Tuesday. More in our Mayfair hotel guide.
It stays quiet because so few people can get in, but it isn't a swimming spa: the pool is for a dip, there's no sauna, and there are no treatments for under-18s. Families can swim together from 9 to 11am and 3 to 5pm. The pool and steam room are open 7am to 9pm, treatments 9am to 9pm.
Residents have the Aman Spa to themselves apart from members and long-treatment day guests. Families swim 9 to 11am and 3 to 5pm. Ask for a Superior facing the street.
Six Senses London
Six Senses London is the spa for treatments and recovery rather than swimming. Below the hotel in the old Whiteleys store on Queensway is a spa of 2,300 square metres with 13 treatment rooms, a hammam, cryotherapy, a flotation pod and a recovery lounge with an infrared sauna and an ice bath, plus a 24-hour gym. A 60-minute Holistic Massage is £260, and the hammam is a 90-minute treatment at £360. Bayswater station is five minutes' walk. A 30-square-metre Superior was about £859 on Booking.com for a November Tuesday. More in our Paddington and Hyde Park hotel guide.
There's no swimming pool, and the hammam is booked as a treatment rather than a room you drop into, so it suits someone who wants a massage, a float and a cold plunge, not lengths. Treatments run 10am to 8pm. Children aged five to 14 can have treatments with a parent present, and 14- to 16-year-olds can use the facilities with a parent's signed waiver.
Book the 90-minute hammam (£360) ahead; it's a treatment, not a drop-in room. Ask for a Deluxe on an upper floor. Bayswater station is five minutes' walk.
Claridge's
City-centre hotels with a pool: a hotel first, the spa downstairs. These suit a swim before breakfast or a massage after sightseeing more than a whole spa day. Rooms run from about £421 (Pan Pacific on a November Sunday) to £1,173. Claridge's is where I'd go for a spa that feels like part of the hotel. Claridge's Spa has a small heated pool under a vaulted, stone-columned ceiling with private cabanas, steam rooms and saunas in the changing suites, and the Pink Room, an onyx hammam-style bed for treatments. A 60-minute Bespoke Massage is £250. Bond Street station is two minutes' walk. A 40-square-metre Mayfair Room was £1,173 non-refundable on the hotel's own site for a November Tuesday, plus a discretionary 5 per cent. More in our Mayfair hotel guide.
The pool is for relaxing, not for lengths, and the spa's pages don't spell out what hotel guests get, so ask whether spa access comes with your rate. Families get the pool from 8 to 10am, and the spa is open 8am to 9pm. For visitors who aren't staying, treatments of 90 minutes or more come with two hours of the facilities beforehand.
Ask whether spa access comes with your rate when you book. Families swim 8 to 10am. For light, step up to the Mayfair Balcony Room; the entry Mayfair Room faces the courtyard.
The Berkeley
The Berkeley gives you two pools, depending on the season. The hotel's own heated rooftop pool, for hotel guests only, opens in spring and summer. All year, guests become members of Surrenne Belgravia for their stay: Maybourne's wellness club in the Emory building on Old Barrack Yard, round the corner, with a 22-metre skylit pool, a sauna, a steam room, a snow shower and seven treatment rooms. A 60-minute Downtime massage at Surrenne is £250. Knightsbridge station is five minutes' walk. A 37-square-metre Superior was £918 non-refundable on the hotel's own site for a November Tuesday. More in our Knightsbridge, Chelsea and Belgravia hotel guide.
In November the rooftop is closed and Surrenne is where you'll swim, shared with its private members and guests of the Emory. Under-16s who are staying can use the Surrenne pool with a parent from 8 to 10am and 3 to 5pm, and the pool, sauna and steam room are open 7am to 9pm. The room bill carries a discretionary 5 per cent service charge.
Out of season, your pool is Surrenne's 22-metre indoor one round the corner. A discretionary 5% service charge goes on the room bill. Knightsbridge station is five minutes' walk.
The Langham, London
The Langham, London is the spa hotel I'd pick for a first trip that wants the West End on foot. Chuan Body + Soul is downstairs: a 16-metre pool built into a former bank vault, a sauna, steam rooms and a quiet lounge serving seasonal tea, with a treatment menu that leans on traditional Chinese medicine (acupuncture, tuina massage, gua sha facials) alongside the usual massages. Oxford Circus is five minutes' walk. Rooms start at about £850 for a 28-square-metre Superior on an off-peak Tuesday, or £788 at the free member rate. For the neighbours, see our Marylebone and Fitzrovia hotel guide.
The spa is for 16s and over. Younger children can swim with an adult from 8am to noon and 4 to 6pm, but they can't use the sauna or steam room. The facilities open 7am to 9pm and treatments run 9am to 8pm, which suits an early swim before a day out. Day visitors get the pool and sauna only with a treatment spend of at least £220, which keeps it calmer than a day spa. Treatment prices sit in the online booking system rather than on the hotel's pages, so price your massage before you travel.
Join the free Brilliant by Langham membership first; it takes about £62 off a Superior. Book treatments ahead in the online system, where the prices are listed. Children swim 8am to noon and 4pm to 6pm.
The Londoner
The Londoner puts a proper pool under Leicester Square. The Retreat, on the subterranean wellness floor, has a 12.5-metre pool, a hydropool, a sauna, a steam room and poolside cabanas, with Omorovicza facials and massages in two treatment rooms and a couples' room. Hotel guests use it free in pre-booked one-hour slots between 6am and 10pm, and from Friday to Sunday the spa is kept for hotel guests only, so a weekend here means no day visitors in the water. Leicester Square station is three minutes away. The cheapest room for an off-peak Tuesday was a 29-square-metre Deluxe King at £767.25 prepaid, or £621.47 with the free Friends of The Londoner membership. Our Covent Garden and West End hotel guide covers the streets around it.
The one-hour slot is the catch: it's a swim and a sauna between the theatre and dinner, not an afternoon on a lounger, unless you book a package. Treatment for Two (a 60-minute treatment each plus an hour of cabana time) is £320 a couple, Monday to Thursday, and Get Your Glow (two 30-minute treatments and two hours in the spa) is £245 a person. Children under 16 swim with an adult on weekdays from 10:30am to noon and 3:30 to 5pm, and at weekends from 8 to 9:30am and noon to 1:30pm. No photos by the pool, and no phones on speaker.
Book your free one-hour spa slot when you book the room, and say if children are coming so you get Kids' Hours. Friends of The Londoner is free to join, and members pay about £145 less on the prepaid rate.
Jumeirah Carlton Tower
Jumeirah Carlton Tower is the Knightsbridge pick for a long pool and early hours. Talise Spa at The Peak has a 20-metre indoor pool and jacuzzi, a Himalayan salt sauna, a steam room and five treatment rooms. It opens at 6:15am on weekdays and stays open until 10pm. Knightsbridge station is six minutes' walk and Sloane Square 12. The lowest rate for an off-peak Tuesday was about £811 on Booking.com, £861 with breakfast. The other Knightsbridge spa hotels are in our Knightsbridge, Chelsea and Belgravia hotel guide.
Children get splash hours, 8 to 10am on weekdays, 9 to 11am at weekends and 3 to 5pm every day, which makes it one of the easier luxury spas for a family. The Peak is also a members' fitness club, so expect locals in the gym after work. Entry rooms are 25 square metres, and treatment prices sit in the online booking system, so check them before you go.
Plan children's swims around the splash hours (8 to 10am weekdays, 9 to 11am weekends, 3 to 5pm daily). Ask for a high floor for the skyline. Knightsbridge station is six minutes' walk.
Four Seasons Hotel London at Tower Bridge
Four Seasons Hotel London at Tower Bridge is my pick for a spa in the City. The Spa at Ten Trinity Square has eight treatment rooms including a couples' suite, a traditional hammam with a heated marble plinth, an indoor pool, a vitality pool, a sauna and a steam room, in the basement of the old Port of London Authority building. Tower Hill station is a one-minute walk and the Tower of London five. The cheapest room for a November Tuesday was a Premier Room at about £740 on Booking.com, and a Superior was about £625 at the weekend. See our City of London hotel guide for the rest of the Square Mile.
The hammam is the reason to choose it over other City spas: it's used for scrub-and-foam treatments booked at spa reception, not as a steam room you wander into. The facilities open at 6:30am, and children can swim from 6:30 to 11am and 2 to 6pm, more family swim time than the other luxury spas here. Day guests are welcome from 9am to 8pm, and the Ten Trini-Tea spa day pairs a 60-minute massage and four hours in the spa with afternoon tea in the Rotunda; ask for the current price. After 8pm you can hire the pool for two, with champagne.
Book a hammam ritual at spa reception; the hammam is used for treatments only. Children swim 6:30 to 11am and 2 to 6pm. The weekend offer on the hotel's site gives 15% off and a 4pm check-out.
Pan Pacific London
Pan Pacific London is the City spa hotel for swimmers. Its 18.5-metre, temperature-controlled infinity pool on the SENSORY wellbeing floor looks out over the towers around Liverpool Street, two minutes' walk away, and a 60-minute SENSORY Holistic Massage is £160 (Thai or bamboo massage £180). The rooms are big for London: a 37-square-metre Deluxe was about £446 on a Saturday and £421 on a Sunday on Booking.com, against about £666 for the cheapest room on a Tuesday. More in our City of London hotel guide.
It's a pool and a treatment menu more than a thermal circuit: the sauna and steam rooms are inside the changing rooms. The floor is open 6:30am to 9pm and treatments run 10am to 8pm, and outside visitors can book treatments only Monday to Friday, so weekends belong to hotel guests and members. Children up to 16 swim on weekdays from 9 to 11am and 3 to 5pm and at weekends from 7 to 9am and 4 to 6pm, and there's a Bonpoint treatment menu for ages five to 16. The facilities are kept for hotel guests, members and people booking treatments, so staying gets you the pool, sauna and steam rooms.
Book the hotel's own Weekends in London offer (15% off with breakfast, a cocktail and spa access). A 60-minute SENSORY Holistic Massage is £160. Liverpool Street is a two-minute walk.
Park Plaza London Westminster Bridge
Treat-yourself value: spa hotels from £237 to £458 a night. These have smaller spas than the grand hotels but real treatment rooms, and the two in the City cost far less at weekends. Park Plaza London Westminster Bridge is my value pick for a spa with Big Ben across the river. Mandara Spa has eight treatment rooms and a VIP suite, a 15-metre indoor pool, a sauna, a steam room and a relaxation lounge, with treatments from 10am to 9pm every day. Waterloo is eight minutes' walk and Westminster station seven, over the bridge. An internal-view Superior was about £261 on a November Tuesday on Booking.com, and a Studio with a London Eye view £365. More in our South Bank and Waterloo hotel guide.
The pool is popular, so hotel guests book swim sessions once they've checked in; you can't reserve one before you arrive. It's open 8am to 8pm, and children 16 and under swim with an adult. Day visitors pay £45 for two hours of the facilities. For a treat, the Deluxe Spa Afternoon Tea (£165) pairs a 50-minute ELEMIS facial or a Balinese or warm-stone massage with time in the spa and afternoon tea.
Book pool sessions at the hotel once you've checked in; they can't be reserved in advance. Day visitors pay £45 for two hours of the spa. Most Superior rooms face the inner atrium.
St. Pancras London, Autograph Collection
St. Pancras London, Autograph Collection is the spa hotel for a Eurostar trip. The St. Pancras Spa is in the Victorian steam kitchens under the building: six treatment rooms including a couples' suite, a relaxation pool with hydro loungers, a sauna and a steam room, and hotel guests use the pool, sauna and steam without booking. A 60-minute Signature Massage is £145 on weekdays and £155 at weekends. The station entrance is a one-minute walk. Rooms were about £352 on quiet November nights, though on some Tuesdays only suites from £713 were left. More in our King's Cross and St Pancras hotel guide.
Don't come for lengths: the pool is for floating, not swimming. The spa is open 7am to 9pm, children are allowed only if they're staying at the hotel (8 to 10am and 2 to 4pm), and treatments are at least 60 minutes. Non-residents can buy a four-hour Day Pass for £80, and the Lunch Escape (an aromatherapy treatment, the spa and two courses) is £190. Entry-price rooms sit in the newer Barlow House wing rather than the Gothic front building.
Hotel guests don't need to book the pool, sauna or steam. A 60-minute Signature Massage is £145 on weekdays, £155 at weekends. Children can use the spa only if they're staying, 8 to 10am and 2 to 4pm.
St. James' Court, A Taj Hotel
St. James' Court, A Taj Hotel is the spa to book for a quiet hour near Buckingham Palace. J Wellness Circle blends Indian therapies with European skincare in two treatment rooms and a couples' suite, with a vitality pool, a sauna and a steam room, open 9am to 8pm daily. A 60-minute Bespoke British Massage is £150. St James's Park station is four minutes' walk and the palace seven. The Executive Room rate on Booking.com, about £362 on a November Tuesday, included spa access. More in our Victoria and Westminster hotel guide.
It's small, three treatment rooms and a wet area rather than a pool for lengths, and under-16s can't use it, so it's an adults' hideaway. Non-residents pay £100 for a three-hour Day Spa pass, and a 12.5 per cent service charge is added to spa bills. Breakfast costs £55 on top of a room-only rate.
Check your rate includes the spa; Booking.com's Executive rate does. A 60-minute Bespoke British Massage is £150. St James's Park station is four minutes' walk.
Sea Containers London
Sea Containers London is the one to book when you want a massage and a riverside bar more than a pool. agua Spa, two floors below the lobby, is built around its treatment rooms: massages, facials and body rituals, a spa lounge with a copper installation and cedar seating, and every treatment comes with two hours in the lounge and the eucalyptus steam rooms. Southwark and Blackfriars stations are under ten minutes' walk, and Tate Modern seven. A Standard room was about £394 on a Booking.com deal for a November Tuesday. More in our South Bank and Waterloo hotel guide.
There's no pool, sauna or jacuzzi, and the steam rooms are inside the single-sex changing rooms, so it's not a place to spend a whole day. Treatments are for 16s and over, with 16- and 17-year-olds accompanied by a parent. Day guests can book the Spa Access Experience, two hours of the facilities and the gym, for £85 on weekdays. The Thames view starts with the Riverview Deluxe, about £495.
Every treatment includes two hours in the spa lounge and steam rooms, so arrive early. There's no pool. For the river, book the Riverview Deluxe (about £495).
Leonardo Royal Hotel London St Paul's
Leonardo Royal Hotel London St Paul's gets you a proper heated pool two minutes from the cathedral steps. The Rena Health and Fitness Club has a 16.6-metre heated indoor pool, a sauna, a steam room and a gym, and the Rena Spa does massages, beauty treatments and spa days; hotel guests can use the spa until check-out. Mansion House and Blackfriars stations are five to six minutes' walk. A Superior King booked direct costs £287.10 on a November Saturday against £440.10 on the Tuesday. More in our City of London hotel guide.
With 432 rooms it's a busy hotel with a leisure club rather than a quiet spa, so expect company in the pool. The pool is open until 10pm most nights; children can swim on weekdays from 9:30 to 11:30am, 2:30 to 4:30pm and 8 to 10pm, and any time at weekends. A 50-minute aromatherapy massage is £105 Monday to Thursday and £115 Friday to Sunday, and Executive rooms take 10 per cent off.
Stay on a Saturday: the Superior King fell from £440.10 to £287.10. Executive rooms take 10% off Rena Spa treatments. Children swim at set weekday hours and any time at weekends.
Montcalm East, Autograph Collection
Montcalm East, Autograph Collection is the weekend spa bargain on the City fringe. YĀTRĀ Spa has five treatment rooms, a 10-metre pool, a jacuzzi, a sauna, a steam room and a cold room, open 7am to 9pm on weekdays and 8am to 9pm at weekends. Old Street station is a three-minute walk. The same queen room was £458 on a November Tuesday and £237 on the Saturday on Booking.com. More in our Shoreditch hotel guide.
The pool is short, so it's for a dip, not a workout. Children swim from 7 to 9am and 3 to 5pm every day. The Twilight Reset, from 6 to 9pm daily, bundles a 45-minute back, neck and scalp massage with the pool, sauna and steam room and a glass of Prosecco; pair it with a Saturday night and the whole stay costs less than a weeknight.
Stay on a Saturday: the same room fell from £458 to £237. Book the Twilight Reset (massage, pool and a glass of Prosecco, 6 to 9pm). Ask for a high floor.
Harbour Hotel Richmond
Beyond the centre: a spa with a park, or a club by the river. These two trade a Tube ride into town for more space and lower room rates. Harbour Hotel Richmond is the one I'd choose for London with a park attached. HarSPA, at the top of Richmond Hill by Richmond Park, has a 20-metre indoor pool, a hydrotherapy pool, a garden of Scandinavian hot tubs, a gym and Temple Spa and ELEMIS treatments, and hotel guests use the facilities free, without booking. Richmond station (District line and trains to Waterloo) is 21 minutes' walk. A Cosy Double was about £162 on a November Tuesday. More in our Richmond, Kew and Twickenham hotel guide.
It's a spa for adults. Treatments are 18-plus, and children can use the pool only with an adult who's a HarSPA member, from 8:30 to 10am and 4:30 to 6pm, so a family staying at the hotel can't swim together. Non-residents pay £50 for four hours Monday to Thursday and £55 Friday to Sunday. Cosy rooms are below ground and the hotel says it isn't accessible; if daylight matters, request a room with a window.
Spa use is free for hotel guests, no booking needed. Ask for a room with a window; the Cosy rooms are in the basement. Day visitors pay £50 for four hours Monday to Thursday.
The Lensbury
The Lensbury is the spa hotel for a sporty family. It's a members' club on the Thames at Teddington with a 155-room hotel, and the club has two heated indoor pools with separate space for adults and children, a gym and racquet courts, plus a spa with six ELEMIS treatment rooms, each named after a tree in the grounds, and a thermal suite. Confirm club access with your room when you book. A 60-minute ELEMIS facial starts at £95. Teddington station is 21 minutes' walk, so come by car; parking is free. Book early and a November Tuesday in an Ascot Twin is £189. More in our Richmond, Kew and Twickenham hotel guide.
The spa keeps day hours, 9am to 6pm on Mondays and Sundays and to 7pm from Tuesday to Saturday. Club rules apply around the hotel, and central London is a long way off. Book it for a weekend in the grounds, not as a sightseeing base.
Parking is free. Ask when you book whether your rate includes the club's pools, gym and racquet courts. A 60-minute ELEMIS facial starts at £95. Come by car: Teddington station is 21 minutes' walk.
The best London spa hotel for you
The full spa: Corinthia London for Biome's thermal floor, included with the room.
For swimming: Bvlgari or the Peninsula (both 25 metres); Jumeirah Carlton Tower's 20-metre pool opens at 6:15am on weekdays.
Treatments over pools: Six Senses London for recovery and a hammam; the Aman Spa at the Connaught for calm.
On a budget: Park Plaza Westminster Bridge from about £261, Montcalm East and Leonardo Royal St Paul's on a Saturday (£237 and £287.10), or, outside the centre, Harbour Hotel Richmond from about £162.
With children: Four Seasons at Tower Bridge (children swim 6:30 to 11am and 2 to 6pm) or Jumeirah Carlton Tower's splash hours.
For a Eurostar trip: St. Pancras London, a minute from the station, with an £80 day pass if you're only passing through.
Outside the centre: Harbour Hotel Richmond for a spa by Richmond Park; the Lensbury for a sporty family.
What London's hotel spas don't tell you up front
Not every spa has a pool, or one for lengths. Six Senses London and Sea Containers' agua Spa have none; Claridge's, the Connaught, St. Pancras and St. James' Court have small pools for a dip. Some famous hotel spas are treatment-led too: the Dorchester Spa has no pool or heat facilities (its guests use the pool at 45 Park Lane, next door), Four Seasons at Park Lane has two vitality pools on its rooftop but no swimming pool, and Rosewood London, COMO Metropolitan and 1 Hotel Mayfair have treatment spas without a pool.
'Included' has small print. At the Londoner your free access is a pre-booked one-hour slot; at Mandarin Oriental Hyde Park the heat and water areas come with a 90-minute treatment; at Park Plaza Westminster Bridge you book the pool after check-in.
Age limits. Mandarin Oriental Hyde Park's spa is 18-plus, the Connaught and Harbour Hotel Richmond give no treatments to under-18s, and St. James' Court doesn't admit under-16s; most others set children's swim hours.
Shared pools. Café Royal, the Langham, Jumeirah Carlton Tower, Surrenne (for Berkeley guests) and Harbour Hotel Richmond also sell spa or club memberships, so expect locals at busy times.
Book the treatment with the room. Weekend slots go first, and a room booking doesn't reserve one.
Prices, what's included and the rest of the trip
Room rates are dated snapshots, mostly for Tuesday 10 November 2026, checked between 18 and 25 September 2026; spa prices are each spa's own figures, checked on 25 September 2026. Check both for your dates, and ask what your rate includes: the spa, the pool, or neither. If a hotel is full, its area guide lists the nearest alternatives, and where to stay in London compares the areas.
For grand hotels judged on room size and service rather than the spa, see the best luxury hotels in London, and for what everything else costs, our London trip-cost guide.
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Frequently asked questions.
Which London hotel has the best spa?
Can you use a London hotel spa without staying?
Which London spa hotels let children swim?
How much is a massage at a London spa hotel?
Which London spa hotels have the longest pools?
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