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Home  ›  Locations  ›  Guildford
NOW INSTALLING IN GUILDFORD

Solar Panel Installation in Guildford

Cut your electricity bills by up to 90% with premium solar & battery, expertly installed across Guildford and Surrey — from Godalming to Woking, Cranleigh to Ash.

Solar panels installed on a home in Guildford
1,600+
homes powered by Spark across Great Britain
up to 90%
lower bills for Guildford homeowners
~3 wks
median from signing to install day
30 yr
workmanship guarantee
A Guildford homeowner reviewing their energy bills
Why solar in Guildford?

Big Solar Savings for Guildford Homes

Solar panels generate electricity from both direct sunlight and the diffuse daylight that reaches them through clouds. They produce more power in bright sunlight, but they still work on cloudy days. A battery can store daytime generation for the evening.

With energy bills climbing everywhere, a Spark system locks in decades of lower, more predictable costs for Guildford homeowners — backed by savings we validate independently through EPVS.

The local picture

Solar Generation in Guildford

Guildford sits in Surrey, which sees around 1,541 hours of sunshine a year — comfortably enough daylight for solar to perform strongly, even through shorter winter days. Local roofs range from period terraces to modern semis, and we design each system around yours. Across neighbourhoods like Godalming, Woking and Cranleigh, a well-designed system with battery storage turns that daylight into lower bills all year round.

1,541 hrs
average sunshine a year across Surrey
1,000 kWh
generated per kWp installed, each year
~4,000 kWh
from a typical 4 kWp Guildford system, annually

Figures are regional averages for guidance, based on typical MCS/PVGIS irradiance for Surrey. Your exact generation depends on your roof orientation, pitch and shading, and is confirmed at your free survey.

Areas We Cover Around Guildford

We install right across the city and surrounding Surrey. Don't see your area? We almost certainly still cover it.

Godalming Woking Cranleigh Ash Merrow Shalford Send Worplesdon
Our installs

Spark Installs Around Guildford

Explore Spark solar & battery installations across Guildford and the surrounding area. Pins show installation totals at approximate postcode district centres, not individual homes.

Spark’s records show 19 installations within 25 miles of central Guildford, including the postcode districts closest to the centre: GU21 (1), GU6 (1), GU14 (1), RH5 (1), RG12 (1), GU35 (1) (as of September 2026).

Solar in Guildford: Your Questions

Do solar panels work well in Guildford?

Solar panels generate electricity from both direct sunlight and the diffuse daylight that reaches them through clouds. They produce more power in bright sunlight, but they still work on cloudy days. A battery can store daytime generation for the evening.

How much can I save in Guildford?

Most homeowners cut their electricity bills by up to 90%. Your EPVS-validated savings estimate is calculated after a free home survey based on your roof and usage. Savings are forecasts, not guaranteed amounts.

Do you cover my part of Guildford?

We install right across Guildford and the wider region. If your area isn't listed, get in touch — we almost certainly still cover it.

How long does installation take?

Most Guildford installations are completed in a single day. Across our installs, the median time from signing to install day is 19 days, depending mainly on the size of your inverter: see how long installation takes.

How much electricity will solar panels generate in Guildford?

In Surrey you can expect around 1,000 kWh a year for every kWp installed, so a typical 4 kWp Guildford system generates roughly 4,000 kWh annually — enough to cover a large share of a household’s electricity, especially paired with a battery.

Will solar work on my type of roof in Guildford?

Almost certainly. We install across the full range of Guildford roofs — from period terraces to modern semis — and design each system around your roof’s pitch, orientation and shading at a free survey.

Excellent on Trustpilot4½ stars out of 5

What Spark Customers Say

Read all 520+ reviews
★★★★★

“Everyone was extremely polite and courteous. The work was completed promptly with consultation at every stage. Excellent service start to finish.”

E
Eleanor S.
Verified · Trustpilot
★★★★★

“No hard sell — just a clear, honest explanation of exactly what we needed. The scaffolders and installers were great, and any minor issue was resolved quickly.”

S
Sarah J.
Verified · Trustpilot
★★★★★

“Very professional and friendly from start to finish. They explained everything, turned up on time, respected my property and took all the packaging away.”

I
Ian P.
Verified · Trustpilot

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