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The British Solar Blog

Buying Advice

Sizing, quotes, installers and decisions — how to buy solar well in the UK. Start with our cornerstone guide: buying solar panels uk. Getting quotes from a regional solar installer.

Close-up of monocrystalline solar panels on a UK roof against a clear blue sky

Consumer guide decoding new-build solar specs, in-roof mounting norms, and SEG registration after completion.

Close-up of monocrystalline solar panels on a UK roof against a clear blue sky

Moving house rarely goes exactly to plan, and adding solar panels into the mix throws up a fresh set of questions that most sellers only think about once…

Black solar panels neatly fitted to a UK tiled house roof

How shading really cuts solar output, and how UK installers design around it with layout, optimisers, microinverters and REC's 4-section cell design.

Blue solar panels installed across the pitched roofs of a UK detached house

South-facing isn't the only option: the real UK numbers on solar panel orientation, pitch, and why east-west often suits modern homes better.

A solar installer on roof scaffolding beside a freshly fitted panel array

Learn to decode kWp, panel and inverter lines on a UK solar quote, spot red flags, and compare three quotes properly before you sign.

Solar panels on a UK residential roof under a clear sky

North-facing roof solar in the UK: the real yield penalty, when east-west splits work, and honest advice on payback.

A completed rooftop solar panel installation on a UK home

Working out how many solar panels you need isn't about picking a number off a brochure — it's about matching a system to your actual electricity usage…

Solar panels fitted around a roof window on a UK home with blue sky

DIY solar isn't illegal, and it isn't a myth — you genuinely can buy panels, an inverter and some rail online and put a system on your roof yourself. What…

Close-up of monocrystalline solar panels on a UK roof against a clear blue sky

Do You Need Planning Permission for Solar Panels? A UK-wide guide to permitted development rules and exceptions.