Panels & Kit

Panels, inverters and hardware — what to choose and why, with no affiliate bias. Start with our cornerstone guide: best solar panels uk. Ready for quotes? Try an MCS-certified installer.

Aerial view of black solar panels on a UK residential rooftop in a stone-built street

Solar Panel Sizes, Dimensions and Weight: A UK Guide

UK solar panel sizes, dimensions and weight guide: 1.7x1.1m/440W standard, roof-area maths, panel-count table.

Solar panels on a UK residential roof under a clear sky

In-Roof Solar Panels: Cost and In-Roof vs On-Roof (2026)

In-roof vs on-roof solar panels compared: 2026 UK costs, looks, performance and which suits new-build or retrofit.

Aerial view of an all-black solar PV array on a UK stone house roof

Solar Thermal vs Solar PV: Why PV Won (and When Thermal Still Wins)

Solar thermal vs PV compared for UK homes in 2026: why PV with a diverter beat dedicated hot water panels, and the niches where thermal still wins.

Aerial view of solar panels on UK housing-estate rooftops

Solar Panel Efficiency Explained (and What Actually Matters)

If you've ever compared two solar panels and seen one labelled 22% efficient and another 19% efficient, it's natural to assume the first is simply…

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

Most Efficient Solar Panels UK 2026

2026 UK guide ranking the most efficient solar panels — TOPCon, HJT and IBC compared, and when efficiency actually matters for small roofs.

Black solar panels installed across a UK tiled house roof under blue sky

Best Solar Panel Brands 2026 (UK): Independent Ranking

Independent 2026 UK ranking of best solar panel brands (JA Solar, Trina, LONGi, AIKO, SunPower, REC) — reliability and value guide for homeowners.