Indoor swimming pool two floors below the street, lit along both walls.

Basement swimming pools in Highgate.

Kensington · W8 · Kensington new-build housesCompleted work, photograph

Highgate’s larger houses and gardens can take a pool hall. First we check which council your address falls in.

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A Highgate pool, under the right council.

Two councils
Haringey or Camden, by address
DM18
Haringey weighs harm, not a storey count
Policy A5
Camden’s single storey limit

NU Projects is a design and build company in Fulham SW6, founded in 2010. We handle basement swimming pools in Highgate N6, under one contract. A new basement dig typically runs £500k to £900k. Converting an existing basement runs £180k to £300k. Call 020 7731 6841, and a budget estimate typically follows within seven days.

Highgate sits across two boroughs. Haringey covers much of the village and its hill. Camden covers the rest. Both adopted the Highgate Neighbourhood Plan in 2017. Your address decides which basement policy applies.

On the Haringey side, Policy DM18 sets no fixed storey count. It weighs stability, flooding, trees and neighbours instead. On the Camden side, Policy A5 allows one storey only. It may not exceed half of each garden.

A pool is heavy, and the hill holds water. The tank is designed against uplift when empty. Drainage, sumps and a standby pump sit beside the plant room. Soil stays deep enough over any section under the lawn.

Highgate’s detached houses often have the width a pool hall needs. Our nearest house is in N2, reconfigured by NU. Our pools are in Knightsbridge and Kensington.

What the council allows in Highgate.

Council
Haringey or Camden, set by the address. Both adopted the 2017 neighbourhood plan.
Haringey
Policy DM18 weighs stability, flooding, trees, character and amenity.
Camden
Policy A5. One storey, never under an existing basement, half of each garden at most.
Camden audit
A Basement Impact Assessment is audited independently, at the applicant’s cost.
Conservation
Haringey’s Highgate Conservation Area dates from December 1967. Camden has its own.

Source: Haringey’s Development Management DPD 2017, Policy DM18, and the Highgate Neighbourhood Plan. Read on 25 October 2026. Policies change, so we read them again for your address.

What a basement pool costs in Highgate.

£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.

Highgate’s slope can add ground investigation and monitoring time.

Both guide figures are project totals. Fees, any audit and VAT are extra.

Open the calculatorThe 2026 cost guideCan I build it here?

Which council decides a Highgate basement pool?

Haringey or Camden, depending on the address.

We check the borough line before any design.

Can a Haringey side Highgate pool go deeper than one storey?

DM18 sets no fixed storey count.

Stability, flooding, trees and neighbours set the real limit.

How is a Highgate pool kept from floating in wet ground?

The tank is designed for uplift when it is empty.

Sumps and a standby pump manage the water around it.

Does Camden audit a Highgate pool application?

Yes, on the Camden side.

The Basement Impact Assessment is checked independently, at the applicant’s cost.

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