Best Lidos in London 2026: Where to Swim Outdoors This Summer — Prices, Addresses and Opening Times

The boom in outdoor swimming in London shows no sign of slowing. National titles including The WP Times have charted the rise of open water swimming from niche pursuit to mainstream summer ritual, and the capital's lidos are responding: London Fields Lido in Hackney now runs from 6.30am to 9pm daily with its 50-metre pool held at 24 degrees, while Parliament Hill Lido has introduced bookable evening sessions and tightened summer entry rules, with under-16s required to be accompanied by an adult and glass and metal picnic items banned from 19 June 2026. Whether you are after a heated lido for year-round lengths, a lifeguarded open-water venue for triathlon training, or simply the best outdoor pools in London for a family day out, the capital in 2026 offers more choice — and more variation in price — than ever before.

That variation is the story of the season. At one end, the Hampstead Heath ponds remain the cheapest outdoor swim in London at under £5, with the Serpentine Lido, Hillingdon Lido and London Fields Lido all at £6 or under; at the other, a pay-as-you-go dip at the new Sea Lanes Canary Wharf starts at £10, or £18 with a sauna, and a session at the West Reservoir Centre in Stoke Newington costs around £13.15. Add in uncertainty at Brockwell Lido, where operator Fusion went into administration in April 2026 and Lambeth Council is seeking a replacement, and checking prices, opening times and booking windows before you travel has never mattered more. Our area-by-area guide below covers central, north, east, south and west London — with full addresses, entry fees and transport links for every venue.

Quick Comparison: London Lidos at a Glance

Central London: Swimming Minutes from Westminster

Serpentine Lido, Hyde Park

Address: The Serpentine Lido, Hyde Park, London W2 2UH
Hours: Open 10am to 6pm every day from June to mid-September, with weekend sessions from mid-May. The Royal Parks confirms the Lido has reopened for the 2026 season.
Entry: £7.50 for adults for a full day, £4.30 concessions, £3.25 for children over three, and £16.30 for a family ticket; single sessions from £5.95. Children under three and carers go free.
What's there: The most iconic open-water swim in the capital — an unheated, unchlorinated 100m x 30m stretch of the lake, lifeguarded throughout. There is a gated family area with a chlorinated paddling pool, sandpit and swings, sun loungers for hire and a kiosk serving the Lido Café next door.
Food and drink: The Lido Café Bar is open 8am to 4pm daily; the main Serpentine Lido Café runs 8am to 8pm in summer, is licensed for alcohol, and the Roof Terrace opens from late May to early September.
Getting there: Lancaster Gate, Knightsbridge or Hyde Park Corner Tube. Note: Hyde Park closes to vehicles at 11am on 3–5 and 10–12 July for the BST concerts — go by Tube on those dates.

Oasis Sports Centre, Covent Garden

Address: 32 Endell Street, WC2H 9AG
Entry: £8.30 for non-members and £5.20 for children aged 5–15
What's there: Central London's only heated outdoor pool — a 25m pool with sun terrace and sunbathing deck, part of a centre with gym, indoor pool and sauna. The 27.5m outdoor pool is extremely popular at hot summer weekends — arrive early. Tottenham Court Road or Covent Garden Tube, 3 minutes' walk.

North London: Ponds, Art Deco and Stainless Steel

Parliament Hill Lido, Gospel Oak

Address: Gordon House Road, Gospel Oak, London NW5 1NA
Hours: Opens at 7am every day; morning sessions from 10.30am, afternoon from 2.30pm, and bookable evening sessions from 6pm (last entry 8pm).
Entry: From £4.80 for adults and £1.40 for juniors for an early or evening dip, rising to £8.40 and £2.60 for a three-hour session.
What's there: A 60-metre unheated pool with the only stainless-steel liner of any outdoor lido in the UK, plus a baby pool and shady gazebos. Summer rules for 2026: under-16s must be accompanied by an adult, glass and metal picnic items are banned, and anyone who looks under 25 may be asked for ID. Gospel Oak Overground.

Hampstead Heath Bathing Ponds

Address: Hampstead Heath, NW3 1BP (Mixed Pond south side; Ladies' and Men's Ponds on the eastern side)
Entry: £5 for a single swim; concessions £3 for students, over-60s, disabled swimmers and those on qualifying benefits; season tickets £83 for six months or £157 a year.
Hours: Kenwood Ladies' Pond and Highgate Men's Pond are open all year; the Mixed Pond runs April to October. The first bookable session of 2026 was 2 June.
Know before you go: The ponds are for strong swimmers only, age 8+, with younger swimmers required to pass a swimming test; changing facilities are limited and there are no lockers. The Men's Pond water quality is consistently rated "excellent" by the Environment Agency, and its famous diving board reopened in January 2026. Gospel Oak or Hampstead Heath Overground.

Park Road Lido, Crouch End

Address: Park Road, Hornsey, London N8 8JN
Entry: £9.95 adults, £5.30 juniors
What's there: A 50-metre heated main pool plus a teaching pool, paddling pool and diving pit — one of the best choices for families in north London, enclosed by a high yew hedge with sun terraces and grassy banks. Hornsey rail.

West Reservoir Centre, Stoke Newington

Address: Green Lanes, Woodberry Down, N4 2HA
Entry: Around £13.15 per swim session
What's there: A 23-acre urban reservoir with lifeguards always on duty, marked laps from 100 to 750 metres, sailing and kayaking, and a café overlooking the water. Manor House Tube.

East London: The New Wave

Sea Lanes Canary Wharf — NEW for 2026

Address: Eden Dock, Heron Quays Road, Canary Wharf, E14 4HJ
Entry: Pay-as-you-go swims from £10, or £18 with sauna; memberships from £45 a month
What's there: A 50-metre lido floating in Eden Dock, ringed by the towers of Canary Wharf, opened in June 2026 by the team behind Sea Lanes Brighton. Six lanes, unheated year-round, open 364 days a year — under-eights cannot swim. Pool hoists, a ramp and accessible saunas and changing rooms are provided. Canary Wharf (Jubilee/Elizabeth line) or Heron Quays DLR.

London Fields Lido, Hackney

Address: London Fields West Side, Hackney, E8 3EU
Hours: 6.30am to 9pm daily, with the water currently at 24 degrees
Entry: From around £6.40 adults, £3.50 juniors
What's there: The only 50-metre outdoor pool in London heated through winter, floodlit for dawn and dusk swims, with a sunbathing area and the Hoxton Beach Café on site. Steps from Broadway Market for post-swim food. Hackney Central or London Fields Overground.

London Royal Docks (open water)

Address: Dock Road, Royal Docks, Newham, E16 1AH
Entry: £9.50 per swim session
What's there: Calm, current-free open water run by Love Open Water, with lifeguards, beginner courses, regularly tested water cleaner than many blue-flag beaches, and summer temperatures around 21°C — all under the Royal Docks cable car. Royal Victoria DLR.

South London: The Classics

Brockwell Lido, Herne Hill

Address: Dulwich Road, Herne Hill, SE24 0PA
Entry: From £9.50 adults, £6 children five and over
What's there: An Olympic-length unheated pool open all year, framed by a Grade II-listed 1937 Art Deco building with gym, winter sauna, and a poolside café serving 400 Rabbits sourdough pizza.
Important for 2026: Operator Fusion went into administration in April 2026 and a new operator is being sought — check the Lambeth Council website for the latest before visiting. Herne Hill rail.

Tooting Bec Lido

Address: Tooting Bec Road, SW16 1RU
Entry: Around £8.40 for a general session, £8.00 for lane swimming, £6.30 juniors
What's there: The largest freshwater swimming pool in the country, famed for its retro changing cubicles painted in seaside colours — even featured in Brad Pitt's boxing scene in Snatch. The public season runs April to September; winter swimming is via membership of the South London Swimming Club. Tooting Bec Tube.

Charlton Lido, Hornfair Park

Address: Shooters Hill Road, Charlton, SE18 4LX
Entry: From around £11.50 adults, £5.50 juniors
What's there: A 50-metre pool heated to 25°C and open year-round, with a rooftop-terrace café and an open-air cycle studio facing the water. Charlton rail.

Beckenham Place Park, Lewisham

A 283-metre wild-swimming lake in a park transformed from a golf course into meadow and woodland in 2019 — south London's answer to the Hampstead ponds. Beckenham Hill rail.

West London: Olympic History and a Beach with a Twist

Hillingdon Lido (formerly Uxbridge Lido)

What's there: A Grade II-listed 1930s Art Deco pool measuring a full 50 metres, which served as a training pool for the 2012 London Olympics. One of the cheapest outdoor swims in the capital at £6 or under. Uxbridge Tube. Address: Gatting Way, Uxbridge UB8 1ES.

Pools on the Park, Richmond

Address: Old Deer Park, Richmond, TW9 2SF
What's there: An open-air 33m pool with a hoist for disabled swimmers, alongside a main indoor pool and teaching pool — one of west London's finest and least-known facilities. Richmond rail/Tube.

Hampton Pool, Bushy Park

A heated 36-metre pool set in woodland on the edge of Bushy Park, beloved for its moonlight swims under the stars from 10pm, with a shallow learner pool for babies and toddlers. Hampton rail.

Ruislip Lido — the beach where you can't swim

Address: Reservoir Road, Ruislip, HA4 7TY
One warning for west London: Ruislip Lido's 60-acre lake and golden beach look irresistible, but swimming is strictly banned — the reservoir carries risks of toxic blue-green algae, cold water shock, hidden drop-offs and swimmer's itch, and Hillingdon Council has no plans to reintroduce bathing. It is still a superb free day out: a splash pad for children (open April to end of September, water running from 10am), a proper sandy beach, an 18-metre pirate ship playground, the 12-inch gauge Ruislip Lido Railway around the lake, and the Water's Edge pub. Open 9am–9pm May to August. Parking is steep — £8.90 for three hours or £16.90 all day in summer — so take the Tube to Ruislip (Metropolitan/Piccadilly) and the H13 or 331 bus.

FAQ: Outdoor Swimming in London 2026

Which is the cheapest lido in London?
The three Hampstead Heath ponds are the cheapest outdoor swim in London at under £5, followed by the Serpentine Lido, Hillingdon Lido and London Fields Lido at £6 or under.

Which London lidos are heated?
London Fields (E8), Oasis Covent Garden (WC2), Charlton (SE18), Park Road (N8), Hampton Pool and Pools on the Park Richmond. Everything else — Serpentine, Parliament Hill, Tooting Bec, Brockwell, the ponds, Sea Lanes — is unheated.

Do I need to book?
Increasingly yes in summer. At Hampstead Heath and Parliament Hill, bookings are released daily at 8pm for sessions up to 7 days ahead, and evening sessions at Parliament Hill must be booked from 29 June. The Serpentine recommends booking online but accepts walk-ups at quieter times.

Can children swim everywhere?
No. The Hampstead ponds are for strong swimmers aged 8+ only, and under-eights cannot swim at Sea Lanes Canary Wharf. Best for families: Park Road Lido, the Serpentine's paddling-pool family area, and Parliament Hill's baby pool.

Is open-water swimming safe?
Only at lifeguarded venues. Enter the water gradually to reduce cold water shock, which can affect even experienced swimmers, and if in trouble: float on your back, keep your airway clear and stay calm.

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