- Area
- Surrey
- Postcode district
- GU1
- Nation
- England
- Guide price
- From £100 inc VAT
- Visit
- Rate agreed in advance
Heat pump repairs in Guildford: what to expect
Whoever installed your heat pump, aftercare can be arranged in Guildford. Tell us the make and model and roughly how old it is, and we will set out what the visit involves before you book.
Across Guildford and Surrey, refrigerant repairs on split systems are carried out by an F-gas certified engineer. Outdoor units in exposed spots around Guildford can ice more heavily, so siting is checked as part of any icing fault.
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
- Rooms or hot water not getting warm enough
- Heat pumps showing an error code or fault light
What's included
- Fault-finding visit at a rate agreed before attending
- Testing of sensors, pumps, valves, pressures and electrics
- A clear explanation of the fault and a price for the repair before work goes ahead
- Refrigerant repairs by an F-gas certified engineer where needed
- Supply and fitting of replacement parts
Heat pump owners in Guildford can arrange a fault-finding visit at a rate agreed before an engineer attends.
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 Guildford quote.
Guide prices for heat pump repairs in Guildford
Guide prices for Surrey, 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–£190 |
| Sensor or thermistor replacement | £130–£300 |
| Expansion vessel or pressure relief valve | £160–£370 |
| Circulating pump replacement | £270–£510 |
| Fan motor replacement | £320–£700 |
| Refrigerant leak repair and re-gas (split systems) | £370–£1,000 |
| Main control board (PCB) replacement | £480–£1,200 |
Inc VAT. The fault-finding rate is agreed before we attend; repairs are priced in writing before parts are ordered.
Short winter days in Guildford and what they mean
Guildford sees roughly 7 hours 52 minutes of daylight in late December against 16 hours 35 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.
How a visit works in Guildford
- 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 Guildford.
- 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 Guildford: questions
Can you work on a heat pump in Guildford that someone else installed?
Yes. We arrange servicing and repairs for most air source heat pumps in Guildford, whoever fitted them. Tell us the make and model when you get in touch.
Do you also cover Godalming?
Yes. We arrange heat pump servicing and repairs in Godalming, which is about 4 miles south-west of Guildford, and across Surrey.
How often should a heat pump in Guildford 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.
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.
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.