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Tesla Solar Roof or Marley SolarTile vs traditional panels — cost, performance and aesthetics compared.
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Cost vs panels
2-3x cost difference. Choose only for aesthetic or planning reasons.
Inverter location
Inverters need accessible location. Plan during install.
Shading from chimney
Partial shade reduces generation. Plan tile layout.
Repair complexity
Replacement of damaged solar tile slower than panel.
Costs & timeline
Know what it costs. Know when it ends.
Indicative UK ranges and what affects price.
Cost range
By job type
Inc. VAT · 2026
Source: NMT quotes
Source: NMT quotes
Marley SolarTile per m²UK integrated
£250–£500/m²
Tesla Solar Roof per m²US premium
£400–£800/m²
4kW solar tile systemTypical UK
£18k–£30k
6kW solar tile systemLarger home
£22k–£40k
Battery storage (5 kWh)Optional
£3.5k–£6.5k
Conventional 4kW solar panelsFor comparison
£4.5k–£10k
!
Quote spread is typically ± 18% — always get 3 quotes.
At a glance
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Renewable Energy explained
Solar roof tiles integrate PV into the roof finish — look like normal tiles but generate electricity. Premium choice over conventional panels. Expect to pay £18,000–£35,000 for UK solar tile roof vs £4,500–£10,000 for equivalent panels.
What Does the Work Invovle?
Roof stripped and re-tiled with mix of generating tiles (in best sun positions) and matching non-generating tiles elsewhere. Wire tiles to inverters and battery storage. Cabling runs through roof to electrical consumer unit. MCS-certified installer.
Typical Costs
| Item | Low (£) | High (£) | Notes |
|---|---|---|---|
| Marley SolarTile per m² | 250 | 500 | UK integrated |
| Tesla Solar Roof per m² | 400 | 800 | US premium |
| 4kW solar tile system | 18,000 | 30,000 | Typical UK |
| 6kW solar tile system | 22,000 | 40,000 | Larger home |
| Battery storage (5 kWh) | 3,500 | 6,500 | Optional |
| Conventional 4kW solar panels | 4,500 | 10,000 | For comparison |
| Tile premium vs panels | +£12,000 | +£25,000 | 2-3x cost difference |
How Long Does It Take?
Standard re-roof with solar tiles: 10–14 days. Plus electrical commissioning.
DIY or Professional?
MCS-certified only.
Choosing the Right Tradesperson
MCS-certified installer with integrated tile experience. Marley have approved installer network. 25-year warranty on tiles.
UK Regulations
MCS for grants and SEG. Part P for electrical. Building Regs roof notification.
Common Problems
- Cost vs panels: 2-3x cost difference. Choose only for aesthetic or planning reasons.
- Inverter location: Inverters need accessible location. Plan during install.
- Shading from chimney: Partial shade reduces generation. Plan tile layout.
- Repair complexity: Replacement of damaged solar tile slower than panel.
Frequently Asked Questions
Solar tiles or panels?
Tiles: look better, blend with roof, more expensive. Panels: cheaper, easier to repair, more common. Choose tiles for aesthetic or where planning rejects panels (listed/conservation).
Best solar tile brand?
Marley SolarTile (UK manufacturer, MCS certified). Tesla Solar Roof (US premium, limited UK installer network).
How long do solar tiles last?
25–30 years on PV. 50+ years on tile body. Warranty 25 years on output.
How much electricity?
4kW system, south UK: ~3,500 kWh/year. Saves £700-£1,200/year. Plus SEG export.
Worth the cost premium?
For listed properties: yes (panels often rejected). For typical UK home: no — conventional panels far better value.
Planning permission?
Permitted development typically. Listed buildings always need consent. Solar tiles often more acceptable than visible panels.
This guide was written with AI assistance and is intended for general information only. Prices are estimates based on UK averages and may vary by region. Always get at least three quotes and consult a qualified professional before starting any work.
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