Heat Pump Planning Permission UK: Do You Need It?

Most UK homeowners don't need planning permission for an ASHP. But there are exceptions. Here's what you need to know.

📅 7 April 2026 ⏱ 5 min read Last updated: 11 September 2026

Written by Myles Robinson, Founder, UK Heat Pump Servicing

Myles Robinson founded UK Heat Pump Servicing, the trading name of Home By Eight Ltd, to give heat pump owners across the UK a single nationwide point of contact for annual servicing, fault diagnosis and repair, cover plans and new installations. The guides published here are written and maintained by Myles with input from the company's MCS-accredited engineering team, and are reviewed whenever grant schemes, prices or manufacturer advice change.

Permitted Development (England)

ASHPs can usually be installed without planning permission under permitted development rights, provided:

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Only one per property
Not on a wall facing a highway
Noise below 42 dB(A) at neighbour’s window
Not a listed building

Conservation Areas and AONBs

In conservation areas and Areas of Outstanding Natural Beauty, restrictions are more severe. Wall-mounted units may require planning permission. Check with your local planning authority.