
Basement swimming pools in Oxshott.
Kensington · W8 · Kensington new-build housesCompleted work, photograph
Indoor pools under large Oxshott houses, with Elmbridge’s flood rules read first. Designed, engineered and built by one team.
What an Oxshott pool has to carry.
- No basement SPD
- A pool hall is judged as an extension
- Flood SPD, 2016
- A pool may be considered in Zones 2 and 3a
- BS 8102 Grade 3
- Waterproofing for a habitable pool hall
NU Projects is a design and build company in Fulham SW6, founded in 2010. We handle basement swimming pools in Oxshott KT22, under one contract. A basement runs £450 to £780 a sq ft, construction only. Call 020 7731 6841, and a budget estimate typically follows within seven days.
Large Oxshott plots usually hold a garden worth keeping. A pool under the house leaves the lawn, the trees and the view alone. It also gives you swimming in every month.
Elmbridge has no basement policy, so a pool hall is judged as an extension. In Zones 2 and 3a the Flood Risk SPD lets a pool be considered. Zone 3b allows no basement, and Zones 2 and 3a bar bedrooms. Inside the Green Belt, DM18 keeps the pool hall within the footprint.
The slab and walls are engineered for the weight of the water. A plant room holds filtration, heating and air handling. Dehumidifying the hall protects the house above it. Waterproofing follows BS 8102 Grade 3.
We have not yet built in Surrey. Our nearest pools are in Kensington W8 and Knightsbridge. One team designs, prices and builds the pool, the plant and the structure.
What the council allows in Oxshott.
- Council
- Elmbridge Borough Council, which judges a pool hall as an extension.
- Flood SPD
- A pool may be considered in Zones 2 and 3a, never 3b.
- Green Belt
- DM18 wants the pool hall wholly underground, inside the footprint.
- Birds Hill estate
- Its 2015 byelaws name pools, with a deposit and set hours.
- Plant room
- Filtration, heating and dehumidification need a dedicated room.
Source: Elmbridge Development Management Plan 2015, Policy DM18, and Flood Risk SPD 2016. Read on 12 October 2026. Policies change, so we read them again for your address.
Pools in our London work.

Kensington·New build
Kensington new-build houses
Our nearest pool sits two floors below the street in Kensington W8.
See the project
Knightsbridge·Townhouse
Knightsbridge townhouse, pool and wine room
A marble lined pool under a townhouse in Knightsbridge.
See the projectCompleted work, photographs
What a basement pool costs in Oxshott.
£450 to £780a sq ft, construction only. Our basement band.
£180k to £300kConverting an existing basement. A project total, from our 2026 cost guide.
£500k to £900k+Digging a new basement. A project total, from our 2026 cost guide.
These are two kinds of figure. The band is a rate per square foot, construction only.
The cost guide figures are whole project totals.
Fees, party wall costs, contingency and VAT sit outside them.
What Oxshott owners ask about pools.
In Oxshott
- Every service in Weybridge, Cobham and Oxshott
- Basement construction in Oxshott
- Basement gyms in Oxshott
- Basement cinema rooms in Oxshott
- Basement golf simulator rooms in Oxshott
Pools nearby
- Basement swimming pools across London
- Basement swimming pools in Chelsea
- Basement swimming pools in Kensington
- Basement swimming pools in South Kensington
- Basement swimming pools in Holland Park
- Basement swimming pools in Notting Hill
- Basement swimming pools in Knightsbridge
- Basement swimming pools in Belgravia
- Basement swimming pools in Mayfair
- Basement swimming pools in St John’s Wood
- Basement swimming pools in Hampstead
- Basement swimming pools in Fulham
- Basement swimming pools in Weybridge
- Basement swimming pools in Cobham
- Wimbledon
- Richmond, Twickenham and East Sheen
Further reading, from the journal
Can an Oxshott house have a basement swimming pool?
Often, yes. Elmbridge has no basement policy, so a pool is judged as an extension.
Flood zone and Green Belt status are checked first.
We test the plot before you commit.
How does flood risk affect a pool in Oxshott?
Zone 3b allows no basement at all.
Zones 2 and 3a may allow a pool, but not a bedroom.
Where groundwater is a risk, a hydrology report is needed.
Does the Birds Hill estate allow a pool in Oxshott?
Its 2015 byelaws name swimming pools among works that carry charges.
They also set a deposit, working hours and a completion period.
We confirm the current terms and any consent step with the company.
How is an Oxshott pool hall kept dry and fresh?
Waterproofing follows BS 8102 Grade 3.
A dehumidifier and air handling plant control the moisture.
Both sit in a plant room beside the hall.
What does a swimming pool cost to build in Oxshott?
Our basement band is £450 to £780 a sq ft, construction only.
The pool, plant and finishes are priced with the structure.
Tell us about your home in Oxshott.
Your name and one way to reply are enough. It goes straight to the studio.
- Already have an architect or designer? We build to their design. Working with your designer
- An NDA on request, and your home is never published without your consent. How we work in confidence