- Area
- Greater London
- Postcode district
- SW19
- Nation
- England
- Guide price
- From £100 inc VAT
- Visit
- Rate agreed in advance
Heat pump repairs in Wimbledon: what to expect
Aftercare matters as much as installation. For a heat pump in Wimbledon the visit checks the outdoor unit, the water circuit and the controls, and the engineer explains any settings that would help the system run more efficiently.
Heat pump owners in Wimbledon can arrange a fault-finding visit at a rate agreed before an engineer attends. Repairs in Wimbledon that need a part ordered are explained and priced before the engineer leaves.
When a heat pump shows an error, loses pressure or stops heating, an engineer diagnoses the cause and explains the repair and its cost before fixing it.
- Systems losing pressure or needing frequent topping up
- Heat pumps installed by another company that need a second opinion
- Rooms or hot water not getting warm enough
What's included
- System refill, venting and recommissioning after the repair
- Reading of error history and operating data
- Supply and fitting of replacement parts
- Testing of sensors, pumps, valves, pressures and electrics
- A clear explanation of the fault and a price for the repair before work goes ahead
Outdoor units in exposed spots around Wimbledon can ice more heavily, so siting is checked as part of any icing fault.
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 Wimbledon quote.
Guide prices for heat pump repairs in Wimbledon
Guide prices for Greater London, including VAT. We agree the visit rate before anyone attends, so there are no surprises on the day.
| Repair | Guide price |
|---|---|
| Fault-finding visit and diagnosis | £100–£200 |
| Sensor or thermistor replacement | £130–£310 |
| Expansion vessel or pressure relief valve | £170–£390 |
| Circulating pump replacement | £280–£540 |
| Fan motor replacement | £340–£730 |
| Refrigerant leak repair and re-gas (split systems) | £390–£1,050 |
| Main control board (PCB) replacement | £500–£1,250 |
Inc VAT. The fault-finding rate is agreed before we attend; repairs are priced in writing before parts are ordered.
Winter daylight and heating in Wimbledon
Wimbledon sees roughly 7 hours 50 minutes of daylight in late December against 16 hours 37 minutes in June. Milder southern winters suit heat pumps well, though the system is still sized for a cold snap rather than an average day.
Booking a visit in Wimbledon
- Tell us the make if you know it, the error code or symptoms, and send photos of the unit and controller.
- We confirm the fault-finding rate and arrange a visit in Wimbledon.
- The engineer diagnoses the fault and gives you a written price for the repair.
- Parts are ordered once you agree, and the repair is completed and tested.
Heat pump repairs in Wimbledon: questions
Can you work on a heat pump in Wimbledon that someone else installed?
Yes. We arrange servicing and repairs for most air source heat pumps in Wimbledon, whoever fitted them. Tell us the make and model when you get in touch.
How much does a visit cost in Wimbledon?
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.
How often should a heat pump in Wimbledon be serviced?
Once a year is the usual recommendation, and many manufacturers make annual servicing a condition of the warranty. Check your warranty terms for the exact requirement.
How much does a heat pump repair cost?
Heat pump repairs have a typical range of £90–£1,100, including VAT, depending on the part and labour involved. Sensor replacements sit at the lower end, while control boards and refrigerant repairs on split systems sit higher. Every repair starts with a fault-finding visit, with a guide price of £90–£180 for the first hour, and the repair is priced before work goes ahead.
Why is my heat pump showing an error code?
An error code is the heat pump's way of reporting a problem it has detected, such as low water flow, a sensor reading out of range or a communication fault between units. Note the code and check the manual, as some codes clear after a simple reset or pressure top-up. If it returns, an engineer can trace the underlying cause.