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

Last updated: 18 March 2026

Independently written

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

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.

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.

All-black standard panels — nearly as discreet as solar tiles at a fraction of the cost — All-black panels: nearly invisible from the street, full efficiency, standard pricing. The smart compromise.

Find out how much you could save

Answer a few questions and receive personalised solar quotes — completely free.

Start My Quote

Free, no obligation. Takes 2 minutes.

Frequently Asked Questions

Ready to see what solar could save you?

Get free, no-obligation quotes from MCS-certified installers in your area.

Get Free Quotes