Do I Need Planning Permission for a Swimming Pool?

Most outdoor swimming pools in England do not need planning permission when they are in the rear garden, behind the house, and do not dominate the garden. Pools are treated as garden structures under permitted development, subject to size and placement rules. Enclosures follow Class E outbuilding limits.

• Pool is located behind the principal elevation of the house
• Less than half the curtilage is covered by buildings and additions (including pool surrounds)
• If the pool is enclosed, Class E outbuilding limits apply: eaves no more than 2.5 metres; overall height no more than 4 metres with a dual-pitched roof (or 3 metres otherwise); and no more than 2.5 metres overall if within 2 metres of a boundary
• Property is a house with permitted development rights intact
• Pool is for domestic use only, not commercial

• Pool is forward of the principal elevation
• Property is a flat, maisonette or listed building
• Pool enclosure or building exceeds permitted development height or footprint limits
• More than half the curtilage would be covered by structures
• On designated land where outbuilding rights are restricted
• Permitted development rights removed locally

A pool house, changing room or enclosure is treated as an outbuilding. Class E rules on height, eaves, curtilage coverage and not building forward of the principal elevation apply in addition to pool-specific considerations. Incidental use only — not sleeping or living accommodation.

Swimming pools may need building regulations approval for drainage, electrical work and structural elements. Safety fencing and water supply rules are separate from planning permission but are essential before use.

Planning rules change and can vary by location. Garden size, pool dimensions, boundaries and property type all affect whether you need permission. Confirm with your local planning authority, or run our free checker for a clear answer.