Solarable

Solar installers · Southampton

Solar installers in Southampton.

Find listed solar installers covering Southampton and central Hampshire — across 24 SO postcode districts. Strong south-coast sun, and a lot of rebuilt, solar-friendly housing.

Listed installers

Covering Southampton & Hampshire.

Every installer here is MCS-certified and checked before we list them — we don't rank or endorse, and featured listings are clearly labelled.

Two certified installers fitting a solar panel on a tiled UK roof
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By the numbers

Southampton solar, measured.

Typical yearly generation, per kW of panels

≈1,081 kWh per kWp a year — roughly 15% above the UK average

For every kilowatt of panels, a well-placed Southampton roof generates about this much a year. Your own total depends on roof direction, pitch and shading — the roof check estimates it for your address.

How the sun falls across the year

5.5 hrsJanFebMarAprMayJunJulAugSepOctNovDec
Best month · June ~135 kWh
Quietest · December ~35 kWh
Apr–Sep share ~68%

Sunlight peaks in summer and dips in winter — a system is sized for the whole year, not just the peak. Estimated from PVGIS climate data for your postcode area; a roof survey confirms your exact figure.

Solar resource data: © European Union, 2025, PVGIS, EU Science Hub.

30 MCS-certified installers cover Southampton in our directory, and 12 also fit battery storage and 2 also install heat pumps.

Sun figures from PVGIS; roof estimates include solar data from Google. How we measure.

Local context

Solar in Southampton: quick guide.

Southampton has two things going for it: strong south-coast sun, and a lot of straightforward post-war housing that's easy to fit. Beyond the city, central Hampshire adds open suburban and rural roofs, with heritage nuance concentrated in Winchester rather than spread across the area.

A few Southampton-area things worth knowing:

  • South-coast light. The SO area sits among the sunnier parts of the UK; a well-oriented roof here earns back its cost faster than the same roof up north.
  • Rebuilt, regular roofs. Much of Southampton is post-war housing with clean, simple roofs — often the easiest kind to design a full system around.
  • Coastal exposure. On exposed roofs near Southampton Water and the Solent, a good installer will spec corrosion-resistant fixings and check wind loading.
  • Winchester heritage. Winchester's centre has conservation areas and listed stock where street-visible panels can need consent; most of the SO area doesn't.
  • Battery storage. With time-of-use tariffs spreading, it's worth running the numbers through the savings calculator.

Grants & support

What help is available in Southampton?

Solar and battery installations across the UK are currently zero-rated for VAT until 31 March 2027 — a straight saving on the installed price for every household, with no application needed. In England, ECO4 and the Warm Homes scheme can help eligible lower-income households with energy-efficiency measures through their energy supplier or local council.

Eligibility for grant schemes depends on your income, home and circumstances, and the schemes change. We keep the current picture on one page rather than guess what you'll qualify for.

Common questions

FAQs about solar in Southampton.

Is Southampton a good place for solar panels?

Yes. Southampton sits on the south coast and gets some of the better sun in the country, and much of the city was rebuilt after the war on a clean plan, so a lot of homes have simple, regular roofs that are easy to fit. For a south-, east- or west-facing slope the fundamentals are strong. The check that matters is your own roof's direction, pitch and shading.

Do coastal conditions affect solar panels in Southampton?

Only as a survey detail. Southampton Water and the coast mean some roofs are more exposed, so a good installer will spec corrosion-resistant fixings and check wind loading properly on exposed sites. That's routine for a firm that fits roofs along the Solent — not a reason to hold off.

How much do solar panels cost in Southampton?

Southampton prices track the UK average, and the city's simple post-war housing keeps most installs quick; very exposed roofs near Southampton Water that need corrosion-resistant fixings, and heritage work in Winchester, sit a little higher. A typical 4 kWp system usually lands in the £4,800–£6,800 range installed, with battery storage adding roughly £3,000–£6,000. Solar and battery are zero-rated for VAT until 2027; a firm figure needs an on-roof survey.

Which areas does this cover?

This page covers the whole SO postcode area — Southampton plus central Hampshire, including Eastleigh, Winchester, Romsey and the New Forest fringe. Listed installers usually cover a broad stretch of the area; check whether your nearest one covers your specific postcode district.

Are you a solar installer covering Southampton?

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Related

Useful next steps.

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