Solar Roof Tiles vs Metal Roof: Which Is Best in 2026? (UK)
These two roofs answer different questions. Solar roof tiles (BIPV — building-integrated photovoltaics) replace your roof covering AND generate electricity, costing £12,000–£25,000 installed on a typical UK semi. A metal roof — usually standing-seam steel, aluminium or zinc — is a lightweight, 40–70-year weather shell costing £6,000–£15,000. If you want your roof to pay you back through generation, solar tiles win. If you want the longest-lasting, lowest-maintenance roof per pound, a standing-seam metal roof wins.
Planning the work? Check what it usually costs, or work out your own estimate. The free quote form is at the top of this page.
Solar tiles or metal roof — the short answer
- Want energy generation: solar roof tiles — generate ~3,000–4,200 kWh/yr on a typical semi.
- Want longest life per pound: standing-seam metal roof — 40–70 years, near-zero maintenance.
- Cheapest upfront: metal roof from £6,000.
- Best for period / conservation looks: solar slate-look tiles or zinc — both blend better than panels-on-rails.
- Best combined option: metal roof + bolt-on panels, if BIPV cost can’t be justified.
The honest framing: a metal roof and a separate solar panel array is usually cheaper than integrated solar tiles for the same generation. Solar tiles earn their premium on aesthetics and on roofs where panels-on-rails would be refused (conservation areas, design-led new builds). Don’t buy solar tiles expecting them to beat panels on pure payback — they rarely do.
Solar Roof Tiles vs Metal Roof — Compared
Indicative figures for a typical 80m² UK semi-detached roof, fully installed inc. VAT and scaffold.
Solar tile generation depends heavily on roof orientation and pitch — a north-facing roof can halve output. Always ask the installer for a MCS-backed yield estimate for your specific roof, not a national average.
Which Should You Pick? Verdict by Use Case
Re-roofing + want to generate
Winner: solar roof tiles. If the roof is being replaced anyway and aesthetics matter, integrated tiles avoid a separate panel array and the rail clutter.
Maximum lifespan, lowest fuss
Winner: metal roof. 40–70 years, lightweight, recyclable, near-zero maintenance — the lowest whole-life cost shell.
Tight budget
Winner: metal roof. Lowest entry cost; add bolt-on panels later when budget allows for the best of both.
Conservation area
Winner: depends. Slate-look solar tiles or natural zinc both pass design scrutiny where panels-on-rails would be refused — confirm with the planning officer first.
Common Questions
Related Guides
More compare, cost and how-to guides for your roofing project.
How to plan a roof extension 2026
Planning framework if you’re re-roofing as part of an extension.
Read Guide →Get 3 Free Roofing Quotes
BestBuilders matches you with 3 roofing specialists who price solar tiles and metal roofs against one brief so you compare like-for-like. BestBuilders is free for homeowners and you are never obliged to accept a quote — you choose who, if anyone, to hire. Before you sign, ask each installer to show proof of public liability insurance and a written product warranty, and verify solar credentials on the official MCS database yourself — MCS sign-off also underpins the 0% VAT rating on solar, in place until March 2027. Price it up first with our solar panel costs and roof replacement cost guide.