Solar panels in Guildford
£3,873 to £12,188 installed, 1,448 hours of sun a year, and 4,911 installations already in the council area.
What a system costs in Guildford
3kWp
£3,873–£5,181
Saves up to £373 a year. Pays back in about 12 years.
4kWp (most common)
£6,180–£7,814
Saves up to £580 a year. Pays back in about 12 years.
6kWp
£9,025–£12,188
Saves up to £853 a year. Pays back in about 12 years.
Source: Home Energy Quotes Cost Index, costs modelled June 2026, savings at the October to December 2026 price cap. Prices are estimates and include installation and VAT. Actual costs may vary.
Guildford in numbers
Published statistics for the Guildford council area, not our estimates.
At the end of 2025 there were 4,911 solar PV installations in the Guildford council area, about 88.1 for every 1,000 households, with 20.9 MW of capacity between them. The count covers every size of installation, on homes and businesses. 49% of homes with an EPC in the Guildford council area are rated D to G, and the median energy score is 69, which is band C.
| Guildford council area | Figure | Source |
|---|---|---|
| Solar PV installations (all sizes) | 4,911 (88.1 per 1,000 households) | DESNZ, end of 2025 |
| Homes with an EPC rated D to G | 49% | ONS, EPCs lodged to March 2025 |
| Median EPC energy score | 69 (band C) | ONS, EPCs lodged to March 2025 |
| Households on mains gas heating only | 76.9% | Census 2021, ONS |
| Warm Homes: Local Grant, 2025 to 2028 | £13,914,375 to the consortium led by Surrey | DESNZ, list updated July 2026 |
| Electricity network operator | UK Power Networks (South East England) | NESO licence area boundaries |
Guildford is served by UK Power Networks, the electricity network operator for South East England. Solar panels have to be registered with the network operator. Your installer normally does this: smaller systems are notified after installation, and larger ones need approval before work starts.
These are published official statistics for the Guildford council area, which covers Guildford, not Home Energy Quotes estimates. Sources checked 6 October 2026.
Is Guildford a good place for solar panels?
Guildford receives an average of 1448 hours of sunshine per year — close to the UK average of 1,493 hours. Combined with South East’s energy prices tracking the UK average, solar panels installations here may offer good value (individual results will vary).
Guildford has a population of 77,880, and the area falls within the South East region. We recommend getting at least 3 quotes to compare prices.
Find Installers in Guildford
We recommend getting at least 3 quotes from qualified installers before making a decision. Check reviews, ask for local references, and make sure warranties are clearly stated in writing.
What to check before hiring an installer in Guildford
- Qualifications — check the installer holds relevant qualifications and certifications for solar panels before signing any contract
- Local references — ask for completed jobs in Guildford or Surrey
- Reviews — check online reviews before committing
- Warranty — product and workmanship warranties should be clearly stated in writing
- 3 quotes minimum — we recommend comparing at least three quotes to ensure you get a fair price
Questions about solar panels in Guildford
How much do solar panels cost in Guildford?
How many solar panel installations are there in Guildford?
Is there a grant for solar panels in Guildford?
Solar panels in Guildford qualify for 0% VAT until March 2027. In Great Britain, the Smart Export Guarantee pays for surplus electricity you export to the grid, at a rate each supplier sets.
How long is the payback period in Guildford?
Do I need planning permission in Guildford?
How do I find a good installer in Guildford?
Get quotes for your roof in Guildford
Up to three approved installers who cover Guildford may contact you. Free, no obligation.
Guildford on the map
Solar Panels in nearby towns
Last reviewed: . Costs are modelled estimates from the Home Energy Quotes Cost Index — see how we calculate them. Grant rates are checked against GOV.UK.