Solar Panels in Lewisham, Greater London
Lewisham, Greater London, has a solar yield of 960 kWh/kWp (ideal conditions for solar energy). A 4kWp system generates approximately 3,840 kWh annually, covering 101% of average household electricity use and saving an estimated £684+ per year. With 0% VAT on installation, a typical 4kWp system costs £6,600 to £8,500, with payback in 11 to 13 years.
Lewisham solar at a glance
Lewisham at a Glance
| Area Data | Value |
|---|---|
| Elevation | 22 metres |
| Postcode Area | SE13 |
| Coordinates | 51.4624°N, 0.0102°W |
Population and housing data: ONS Census 2021.
Lewisham council schemes, planning and neighbourhoods
Lewisham Council points residents to grants that can include solar panels, though its Warmer Homes funding is oversubscribed, and Article 4 directions in many conservation areas bring roof changes under planning control. Here is what applies before you get quotes.
Council scheme
Warmer Homes grants
Lewisham lists grants for home upgrades like insulation, heat pumps and solar panels, and says residents can apply for up to £25,000 through the Boiler Upgrade Scheme and the Mayor of London's Warmer Homes programme. The council says Warmer Homes is currently oversubscribed and awaiting a funding decision, but you can register your interest for updates.
Lewisham cutting down on billsPlanning in Lewisham
Article 4 on roofs in many areas
Article 4 directions cover houses in many Lewisham conservation areas, including Blackheath, Brockley, Telegraph Hill, Ladywell, Lee Manor and St Mary's, so roof alterations and replacing roof materials need planning permission there. The council's householder guidance says solar panels on a wall facing a highway in a conservation area are not permitted development.
Local advice
SELCE
South East London Community Energy gives free energy advice to Lewisham residents worried about bills or with long-term health conditions.
Visit SELCESolar panels in Lewisham neighbourhoods
Towns just outside Lewisham
Compare reviewed installers in Lewisham
Google and Trustpilot ratings for MCS-certified firms working across Lewisham.
Solar panels across London
Lewisham is part of London. See London-wide costs, council schemes and planning rules, plus every London borough we cover.
Solar Power in Lewisham, Greater London
Lewisham is a London borough. The postcode area for Lewisham is SE13. You'll need your full postcode when getting quotes from MCS-certified installers.
Solar costs and savings in Lewisham
What a typical home in Lewisham needs, what it costs fitted with 0% VAT, and what it generates at Lewisham's solar yield of 960 kWh per kWp:
1–2 bed
3 kWp, 7 panels
- Output in Lewisham
- 2,880 kWh/yr
- Typical cost
- £5,700–£7,000
- Payback
- 13–15 years
3 bed
4 kWp, 10 panels
- Output in Lewisham
- 3,840 kWh/yr
- Typical cost
- £6,600–£8,500
- Payback
- 11–13 years
4 bed
5 kWp, 12 panels
- Output in Lewisham
- 4,800 kWh/yr
- Typical cost
- £8,300–£10,200
- Payback
- 11–13 years
5+ bed / EV
7 kWp, 16 panels
- Output in Lewisham
- 6,720 kWh/yr
- Typical cost
- £11,000–£13,000
- Payback
- 9–11 years
Typical yearly use: 1–2 bed about 1,800 kWh, 3 bed about 2,700 kWh, 4 bed about 4,100 kWh, 5+ bed / EV 4,100 kWh or more. Payback assumes an average export rate; the best tariffs shorten it.
Solar Installers in Greater London
MCS-certified solar panel installers covering Greater London.
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Power Cuts in Greater London Today
Live power cut map for Lewisham and the rest of Greater London, with recent power cuts and how long they usually last.
Your solar questions for Lewisham
How much do solar panels cost in Lewisham?
A typical 10-panel (4 kWp) system costs £6,600–£8,500 fitted in Lewisham, with 0% VAT. Install prices vary little across the UK, but output does: in Lewisham that system generates about 3,840 kWh a year and saves around £684, paying back in roughly 11–13 years.
Is there a solar panel grant or council scheme in Lewisham?
Warmer Homes grants: Lewisham lists grants for home upgrades like insulation, heat pumps and solar panels, and says residents can apply for up to £25,000 through the Boiler Upgrade Scheme and the Mayor of London's Warmer Homes programme. The council says Warmer Homes is currently oversubscribed and awaiting a funding decision, but you can register your interest for updates.
Do I need planning permission for solar panels in Lewisham?
Usually not for an ordinary house. Article 4 directions cover houses in many Lewisham conservation areas, including Blackheath, Brockley, Telegraph Hill, Ladywell, Lee Manor and St Mary's, so roof alterations and replacing roof materials need planning permission there. The council's householder guidance says solar panels on a wall facing a highway in a conservation area are not permitted development.
Where can I get solar advice in Lewisham?
SELCE: South East London Community Energy gives free energy advice to Lewisham residents worried about bills or with long-term health conditions.
How do I find a good solar installer in Lewisham?
Use an MCS-certified installer, so you qualify for 0% VAT and Smart Export Guarantee payments, and compare at least three quotes for the same panels, inverter and warranty. Our Lewisham reviews page ranks local firms by their Google and Trustpilot ratings.
Solar Guides & Resources
Useful reading before you get quotes in Lewisham:
Sources
- MCS, Microgeneration Certification Scheme
- MCS, Find a Certified Installer
- Ofgem, Smart Export Guarantee (SEG)
- PVGIS, EU Joint Research Centre (solar irradiance data)
- ONS, Census 2021
- Met Office, Climate Data
Last updated: November 2026
Fact-checked by John Rooney, Solar Energy Editor. Editorial policy
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