Solar panel costs in London (2026)
A typical installation costs £6,600 to £10,800 in London. Labour rates in London run 10–20% above the UK average, the widest premium in the country.Here's what to expect by property type, and how to pay less.
Solar panel costs in London at a glance
| Type | From | To |
|---|---|---|
| Small system (2–3kWp) | £5,000 | £8,400 |
| Typical system (3.5–4kWp) | £6,600 | £10,800 |
| Larger system (5–6kWp) | £8,800 | £14,400 |
| Add battery storage | +£2,800 | +£6,600 |
Indicative 2026 ranges adjusted for London, calibrated against MCS regional installation cost data and Ofgem grant-scheme averages. Always compare multiple quotes — prices vary by installer and property.
Costs by property type in London
Flats and terraced houses
Smaller roofs usually take a 2–3kWp system, around £5,000 to £8,400 installed in London. Terraced homes may need extra scaffold access from the street, and flats need freeholder or management-company consent before panels can go up.
Semi-detached houses
The most common installation: a 3.5–4kWp system on a semi-detached roof costs around £6,600 to £10,800 in London. A south-facing slope is ideal, but east-west splits work well too.
Detached houses
Detached homes have the roof space for a 5–6kWp system, typically £8,800 to £14,400 in London. Larger systems get a better price per panel, and pairing with a battery captures the surplus a bigger array generates.
What's different about London
- Labour rates in London run 10–20% above the UK average, the widest premium in the country.
- Victorian terraces, mansion-block flats and conservation areas often add scaffold, access and planning considerations that push quotes toward the top of the range.
- All national grants apply: the £7,500 Boiler Upgrade Scheme for heat pumps, ECO4 and GBIS for insulation, and the £350 OZEV charger grant, which is especially relevant in London's large rental and flat market.
Common questions
How much do solar panels cost in London?
A typical installation costs £6,600 to £10,800 in London in 2026. Labour rates in London run 10–20% above the UK average, the widest premium in the country. The table above shows ranges by system size and property type.
Why do prices in London differ from the UK average?
Labour rates in London run 10–20% above the UK average, the widest premium in the country. Victorian terraces, mansion-block flats and conservation areas often add scaffold, access and planning considerations that push quotes toward the top of the range.
What grants are available in London?
All national grants apply: the £7,500 Boiler Upgrade Scheme for heat pumps, ECO4 and GBIS for insulation, and the £350 OZEV charger grant, which is especially relevant in London's large rental and flat market.
How do I get an accurate price for my home?
Ranges only narrow once an installer sees your property. Compare quotes from several vetted local installers, free and with no obligation, and contact them free through Find an Eco Installer. No spam calls.
Get accurate London quotes
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Also covering Twickenham (TW1), Kingston (KT1), Wimbledon (SW19), Ealing (W5), Harrow (HA1) and Ilford (IG1).
Solar panel costs in other regions
- the South East
- the East of England
- the South West
- the West Midlands
- the East Midlands
- Yorkshire
- the North West
- Scotland
- Wales
Local solar panel price guides in London
- Croydon
- Bromley
- Enfield
- Romford
- Sutton
- Uxbridge
- Watford
- Dartford
- Slough
- Woking
- Twickenham
- Kingston
- Wimbledon
- Ealing
- Harrow
- Ilford