Extensions & Conversions · Last updated 19 October 2026

Swimming pool cost

Typical range£5,000–£200,000· Average in-ground concrete pool installed

Garden swimming pool installation prices for 2025. In the UK, expect to pay between £5,000 and £200,000, with the typical project around £45,000 (average in-ground concrete pool installed). Regional variation, specification tier and site access conditions all shift the final quote.

Quick answer: Swimming pool cost in the UK typically costs between £5,000 and £200,000 (Average in-ground concrete pool installed). London and the South East run 20–35% above this range; the North, Wales and most of Scotland sit 5–15% below.

Homeowners researching this typically also price up garden landscaping cost and garden room cost. For wider context, browse our bathroom pricing, kitchen pricing and boiler & heating costs.

Cost table

Indicative price ranges (UK, GBP)
ItemTypical range (GBP)
Above-ground steel pool (4m x 8m) — Liner type, easy to install
£5,000–£12,000
In-ground fibreglass pool — Pre-formed, faster to install
£25,000–£50,000
In-ground concrete pool (basic) — Bespoke shape, longer-lasting
£35,000–£70,000
Heated in-ground pool (with house) — Pool house, heating, filtration
£50,000–£120,000
Indoor pool (pool hall) — Full enclosure, dehumidification, complex M&E
£80,000–£200,000

Labour costs

Labour typically accounts for 50% of the total project cost in the UK.

Labour line items
ItemTypical range (GBP)
Pool contractor (civil works)
£15,000–£40,000
Landscaping around pool
£5,000–£20,000
Electrician (pumps/lighting)
£2,000–£6,000
Plumber (heating/filtration)
£3,000–£10,000

Materials costs

Materials and fittings make up the remainder of the budget, with specification tier driving most of the variation.

Materials & fittings
ItemTypical range (GBP)
Fibreglass shell
£10,000–£25,000
Concrete structure
£15,000–£40,000
Filtration system
£3,000–£10,000
Heat pump (pool)
£3,000–£8,000
Pool cover (electric)
£2,000–£6,000

Factors affecting cost in the UK

  • ·Region — London and the South East run 15–30% above national averages.
  • ·Specification tier — premium materials and finishes can double the base cost.
  • ·Access and site conditions — flats, restricted parking and listed buildings add time.
  • ·Scope changes mid-project — late design decisions are the biggest cost overrun driver.
  • ·Trade availability — quotes rise 10–20% in peak spring and summer months.

Hidden & unexpected costs

  • ·Ground survey, drainage and excavation spoil removal.
  • ·Heating, dehumidification and ventilation for indoor pools.
  • ·Building control sign-off and planning permission for enclosures.
  • ·Annual chemical, pump and filter maintenance (£1,500–£4,000/year).
  • ·Pool cover and safety fencing required for insurance.

Ways to reduce cost

  • ·Choose an above-ground or fibreglass pool over fully tiled concrete.
  • ·Site the pool close to existing services to minimise trenching.
  • ·Specify standard rectangular sizes rather than freeform shapes.
  • ·Use a heat-pump and pool cover combo to cut running costs by 50%+.
  • ·Get quotes from SPATA-registered contractors for warranty protection.

Types of pool

Above-ground pools are the cheapest and need no excavation. In-ground pools can be liner, fibreglass one-piece or concrete/block-built; concrete gives the most design freedom but costs the most and takes longest to build.

Running costs

Heating is the largest ongoing cost. A pool cover dramatically cuts heat loss, and an air-source heat pump is typically cheaper to run than a gas or oil heater. Budget also for electricity for the pump and filter, chemicals, and annual opening and closing.

Permission

An outdoor pool can be permitted development as an outbuilding or incidental structure, but not if it covers more than half the garden, and enclosures or plant rooms add their own size limits. Indoor pools are extensions and follow extension rules.

Frequently asked questions

Do I need planning permission for a swimming pool?
In-ground pools in private gardens are usually permitted development (not requiring planning permission) in England, provided they are not in a front garden. Above-ground pools are also usually PD. However, listed buildings, conservation areas, and some local authorities have restrictions.
How much does a swimming pool cost to run per year?
A typical heated in-ground pool costs £2,000–£5,000/year to run, covering electricity for pumps and heating, chemicals, and maintenance. A pool heat pump reduces heating costs by 50–70% versus electric resistance heating.
Does a swimming pool add value?
In the UK, a swimming pool does not typically add equivalent value to its installation cost. However, for premium properties (£1m+) in the right locations, a well-maintained pool can be a differentiator and add 5–10% of property value.

Sources & how we estimate

Prices are typical UK ranges compiled by ModernExpert.AI from published trade rates and supplier price lists, and are estimates — always get at least three written quotes. Rules on permissions, safety and certification come from the official sources below. Last reviewed 19 October 2026.

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