Heat pumps across the South East
16 towns, from Aylesbury to Worthing. Labour and materials here run about 12% above the UK average, so a typical installation costs around £12,336.
£12,336
Typical installed cost
up to £272
Saved a year, typical home
~18 yrs
Payback after the £7,500 grant, ~45 without
1.12
Regional price index, UK average 1.00
Modelled range across the South East: £8,018 to £19,120. Estimates from the Home Energy Quotes Cost Index, July 2026 (see how we calculate costs). Your quotes will vary with property size and spec. Not financial advice.
Grants in the South East
The Boiler Upgrade Scheme pays £7,500 towards an air or ground source heat pump in England and Wales — £9,000 if your home is heated by oil or LPG and has no mains gas (applications 21 July 2026 to 31 March 2027).
Towns in the South East
Aylesbury
£7,444–£19,395
Basingstoke
£7,444–£19,395
Brighton
£7,830–£20,680
Crawley
£7,444–£19,395
Eastbourne
£7,444–£19,395
Guildford
£7,444–£19,395
Hastings
£7,444–£19,395
High Wycombe
£7,444–£19,395
Maidstone
£7,444–£19,395
Milton Keynes
£6,990–£17,510
Oxford
£8,170–£20,910
Portsmouth
£7,770–£20,400
Reading
£7,990–£20,420
Slough
£7,444–£19,395
Southampton
£7,990–£20,930
Worthing
£7,444–£19,395
Work out your own numbers
The free savings calculator gives an instant cost range, saving and payback for any upgrade in the South East, or read the full heat pumps guide.
Get quotes in the South East
Installers covering your postcode may contact you, free and with no obligation.