How much do solar roof tiles cost in the UK?

£12,000–£25,000 for a 4kW equivalent system — 2–3x more than standard panels (£5,500–£8,000). On a new build or re-roof, the effective premium is lower because solar tiles replace conventional tiles you would have bought anyway.

Are solar tiles as efficient as solar panels?

No — solar tiles are typically 10–17% efficient vs 20–22% for standard panels. They also have gaps between tiles that standard panels do not have, further reducing output per m². You need more roof area for the same capacity.

Is Tesla Solar Roof available in the UK?

No — as of 2026, Tesla Solar Roof is not available for UK residential orders. It has been repeatedly announced but not launched. UK alternatives include Marley SolarTile and Viridian Clearline Fusion in-roof systems.

Are solar tiles better than panels for listed buildings?

Potentially — their lower visual impact may increase the chance of listed building consent approval. However, even in-roof standard panels are often approved for listed buildings if on non-principal elevations. Check with your local conservation officer before assuming tiles are necessary.

Solar Roof Tiles UK: Cost, Brands & Verdict

By Home Solar Guide Team|Updated 18 March 2026|comparison

Independently written | Evidence-based | Sources cited

Solar roof integration — tiles vs standard panels comparison — Solar tiles are invisible from the street — but cost 2-3x more than standard panels.

What would this actually cost at your home?

Installed prices vary widely by roof, access and region. Get an installed price for your property from MCS-certified installers.

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Are solar roof tiles worth it?

Solar roof tiles (solar tiles/solar slates) replace conventional roof tiles with individual PV-generating tiles. They look like normal roof tiles but generate electricity. The cost is 2–3x higher than standard solar panels (£12,000–£25,000 for a 4kW equivalent system vs £5,500–£8,000 for standard panels). Output is 10–20% lower per kWp due to less optimal angles and spacing. They make sense for new builds and full re-roofs where the tile cost is offset — but NOT for retrofit on existing roofs.

Solar Tiles vs Standard Panels: Full Comparison

Feature	Solar Roof Tiles	Standard Panels
Appearance	Indistinguishable from normal tiles	Visible rectangular panels on roof
Cost (4kW equivalent)	£12,000–£25,000	£5,500–£8,000
Cost per kWp	£3,000–£6,250	£1,375–£2,000
Efficiency	10–17% (per tile)	20–22% (per panel)
Output per m²	Lower (due to gaps between tiles)	Higher (continuous panel surface)
Installation	Roofing + electrical (dual skills)	Electrical only (mounting on existing tiles)
Best for	New builds, full re-roofs, listed/conservation	All other situations
Availability	Limited (few UK-approved products)	Widely available
Warranty	Varies (15–25 years)	25 years standard
Verdict	Premium aesthetic, premium price	Best value for most homes

Source: Solar tile manufacturer specifications; standard panel pricing.

Standard panels on roof — visible but cost-effective and efficient — Standard panels cost 2-3x less and produce more per m² — the right choice for most homes.

UK Solar Tile Brands

Available in the UK (2026):

1. Marley SolarTile: - Replaces standard Marley roof tiles with PV tiles - Each tile generates ~16W - Approximately 250 tiles for 4kW - Integrates with Marley's roof system - Available through Marley-approved installers - Best for: Marley roofs being installed or re-roofed

2. Viridian Clearline Fusion: - In-roof panel system (not individual tiles but flush-fitting panels) - Sits flush with tile line — appears integrated - Standard panel efficiency (20%+) - Less expensive than true solar tiles - Good compromise between aesthetics and cost

3. Tesla Solar Roof: - NOT available in the UK (as of 2026) - Repeatedly announced but not launched for UK orders - Not a current option for UK homeowners

Note: True individual solar tiles (like Tesla Solar Roof) have very limited UK availability. Most 'solar tile' installations are actually in-roof panel systems (like Viridian) that sit flush but use standard panel technology.

Source: Manufacturer UK product listings.

Standard panel installation — available and proven vs limited solar tile options — Standard panels are available from every MCS installer — solar tiles have very limited availability.

What would this actually cost at your home?

Installed prices vary widely by roof, access and region. Get an installed price for your property from MCS-certified installers.

Get an Installed Price

When Solar Tiles Make Sense

New build — solar tiles replace tiles you would have bought anyway, reducing the effective premium to 30–50% (vs 200–300% for retrofit)
Full re-roof — if you are replacing all tiles, solar tiles eliminate the cost of new tiles in the solar area
Listed building or conservation area — solar tiles may be more acceptable to planning authorities than standard panels (less visual impact)
Very design-conscious homeowner — willing to pay 2–3x premium for invisible solar integration
Properties where standard panels would be refused planning permission

When Solar Tiles Do NOT Make Sense

Existing roof in good condition — the 2–3x cost premium is not justified when standard panels work on your existing tiles
Budget-constrained — standard panels deliver the same or more electricity for half the cost
Maximum output priority — standard panels produce more per m² (20–22% vs 10–17%)
Fastest payback wanted — solar tiles payback in 15–25+ years vs 8–12 for standard
Wide installer choice — very few UK installers offer solar tiles vs hundreds offering standard panels

Solar tiles deliver positive returns but much slower than standard panels — Solar tiles pay back in 15-25 years — standard panels in 8-12. Same electricity, very different economics.

The Better Alternative: All-Black Standard Panels

If aesthetics are your concern but you want standard panel pricing:

All-black panels: - Black cells, black frame, black backsheet - From the ground: appear as a dark, uniform surface on the roof - Far less visually intrusive than silver-framed panels - Same efficiency (20–22%) and price as standard panels - Available from: JA Solar, Trina, Longi, Canadian Solar (most brands offer all-black options)

In-roof panels (Viridian Clearline Fusion): - Sit flush with surrounding tiles - No raised frame or rail visible - Standard panel efficiency - Cost: 20–30% more than on-roof (much less than true solar tiles) - Available through MCS-certified installers

For most homeowners concerned about appearance: all-black panels or in-roof panels deliver 90% of the aesthetic benefit at 30–50% of the solar tile cost.

Source: Panel manufacturer all-black product lines.