- Area
- Greater London
- Postcode district
- W4
- Nation
- England
- Guide price
- From £130 inc VAT
- Visit
- Rate agreed in advance
Before you book: heat pump servicing in Chiswick
Whoever installed your heat pump, aftercare can be arranged in Chiswick. Tell us the make and model and roughly how old it is, and we will set out what the visit involves before you book.
Landlords in Chiswick can arrange servicing for several properties, with a dated record for each. Homes in Chiswick and across Greater London can book servicing at a time of year that suits them, ideally before winter.
An annual service keeps a heat pump running efficiently, catches small faults early and is often a condition of the manufacturer's warranty.
- Systems where the manufacturer's warranty requires annual servicing
- Heat pumps installed by another company that need a new servicing arrangement
- Homes where running costs have crept up or rooms feel cooler than before
What's included
- Refrigerant circuit checks on split systems by an F-gas certified engineer
- Magnetic filter and strainer clean, with system pressure topped up
- Unvented cylinder safety checks and legionella cycle check
- Cleaning of the outdoor unit coil, fan area and condensate drain
- Expansion vessel, pressure relief and water quality checks
If a heat pump in Chiswick has not been serviced for a while, the first visit includes a full check of settings and pressures.
Grants and rules for heat pumps in England
In England the Boiler Upgrade Scheme gives £7,500 towards an air source heat pump (£9,000 if it replaces oil or LPG, from 21 July 2026 to 31 March 2027), and since 28 April 2026 a valid EPC is no longer needed. The grant is applied for by the MCS-certified installer and shown as a deduction on your Chiswick quote.
Heat pump servicing prices in Chiswick
Guide prices for Greater London, including VAT. We agree the visit rate before anyone attends, so there are no surprises on the day.
| Visit | Guide price |
|---|---|
| Annual heat pump service | £130–£280 |
| Fault-finding visit (first hour) | £100–£200 |
Inc VAT. The rate for your visit is confirmed before booking.
How long is the heating season in Chiswick?
On the shortest day Chiswick gets about 7 hours 50 minutes of daylight, and the winter sun reaches only around 15° above the horizon at noon. Winters this far south are milder than in most of the UK, which helps a heat pump run at low flow temperatures for much of the season.
How a visit works in Chiswick
- Book a service and tell us roughly how old the system is.
- An engineer visits your Chiswick home and works through the service checklist.
- You receive a written record of the service and any recommendations.
- If a repair is needed, it is priced in writing before any work goes ahead.
Heat pump servicing in Chiswick: questions
What should I check before booking a visit in Chiswick?
Note any error code on the controller, check the system pressure gauge if you have one, and make sure the outdoor unit is clear of leaves or snow. Photos of the unit and controller help.
How much does a visit cost in Chiswick?
The rate for a service or fault-finding visit is agreed before anyone attends. Any repair is priced in writing before parts are ordered, so you decide before work goes ahead.
Can you work on a heat pump in Chiswick that someone else installed?
Yes. We arrange servicing and repairs for most air source heat pumps in Chiswick, whoever fitted them. Tell us the make and model when you get in touch.
What does a heat pump service not include?
A service covers inspection, cleaning, testing and adjustment. It does not include replacement parts, major repairs, system flushing or radiator changes, which are quoted separately if needed. If the engineer finds a fault, they explain what it is, what it would cost to fix and whether it needs doing now or can wait.
How much does a heat pump service cost?
An annual heat pump service has a guide price of £120–£250, including VAT. Where your price sits depends on the type of system, whether it is a split system needing refrigerant checks and whether an unvented cylinder is included. Any parts or repairs found during the service are explained and priced before any work goes ahead.