Storage and electric heater replacement in Sunbury-on-Thames
The South East sees some of the UK's warmest summer days, and south-facing rooms and conservatories feel it first. Flats and bungalows in Sunbury-on-Thames that have never had gas are the usual candidates for replacing storage heaters.
For Sunbury-on-Thames landlords, swapping storage heaters for a heat pump is one of the more effective EPC improvements. We cover Sunbury-on-Thames as part of Surrey, roughly 8 miles from Woking. That includes the TW16 and TW17 postcode districts.
Prices in Sunbury-on-Thames
For Sunbury-on-Thames, expect roughly £4,195 to £12,745 for 3–5 rooms, VAT included, adjusted for typical South East England rates. That is above the UK middle, mainly because labour and access cost more in South East England. Quotes move with the length of the pipe run, where the outdoor unit can sit and how much electrical work the job needs. For reference, the Bungalow or house option in Sunbury-on-Thames (four rooms on one outdoor unit) usually comes to about £6,045–£9,695.
Small flat
Two or three rooms replacing storage heaters.
Bungalow or house
Four rooms on one outdoor unit.
Larger home
Five or more rooms or two outdoor units.
Prices are shown before any Boiler Upgrade Scheme grant. The £2,500 air-to-air grant applies only to eligible homes in England and Wales, using an MCS-certified heat pump installed by an MCS-certified installer, who applies for the grant and deducts it from the price. We confirm eligibility, and which installer applies, before you commit.
Guide prices show VAT at 20%. HMRC treats most fixed air conditioners and air-to-air heat pumps installed in homes as energy-saving materials, zero-rated until 31 March 2027 when we supply and fit them. If your installation qualifies, your quote shows 0% VAT and a lower price. Servicing, repairs, cleaning and controls are charged at 20%.
Planning and permissions
Since 29 May 2025, England's permitted development rules allow larger outdoor units (up to 1.5 m³) and no longer require a 1 m gap to the boundary, provided the MCS 020(a) noise check is met. Listed buildings and pitched-roof installs still need permission.
Sunbury-on-Thames is in the Boiler Upgrade Scheme area, so eligible homes replacing oil, gas, LPG or electric heating may be able to get £2,500 off an air-to-air heat pump, as long as no fossil-fuel boiler stays in use. An MCS-certified installer must claim it; we confirm eligibility, and which installer applies, before you commit.
The survey
A survey in Sunbury-on-Thames usually takes one to two hours. We measure the rooms, check the walls and the consumer unit, agree the outdoor unit position with you and photograph the pipe routes. Surveys in Sunbury-on-Thames cover heat gain, pipe routes, electrics, access and noise to the nearest neighbour, so surprises on the day are rare.
What is included
Every job in Sunbury-on-Thames includes:
- Disconnection and removal of old heaters
- Boiler Upgrade Scheme eligibility check
- Tariff and running advice
- Free survey and heat-loss calculation
- Air-to-air system sized for winter
Nearby
Close to Sunbury-on-Thames, our coverage also includes Walton-on-Thames (1 mile), Hanworth (2 miles) and Ashford, Surrey (3 miles). See all services in Sunbury-on-Thames or storage and electric heater replacement across Surrey.