Solar Panels in Greenwich, Greater London
Greenwich is one of the larger towns in Greater London with a population of 286,186. With a solar yield of 962 kWh/kWp and 1,570+ sunshine hours per year, the numbers stack up well for homeowners here. A typical 4kWp system generates approximately 3,848 kWh annually, covering 101% of average household electricity use. With 0% VAT on installation, the typical cost is £6,600 to £8,500 for a 4kWp system, with payback in 11 to 13 years.
Greenwich solar at a glance
Greenwich in Numbers
| Area Data | Value |
|---|---|
| Population | 286,186 (Census 2021) |
| Elevation | 5 metres |
| Postcode Area | SE10 |
| Location | Inland |
| Coordinates | 51.4830°N, 0.0000°W |
Population and housing data: ONS Census 2021.
Greenwich council schemes, planning and neighbourhoods
Royal Greenwich invites residents to register for the Solar Together group-buying scheme, and the borough has 23 conservation areas plus the Maritime Greenwich World Heritage Site. Here is what applies before you get quotes.
Council scheme
Solar Together (now Switch Together)
Royal Greenwich invites residents to register interest in Solar Together, now called Switch Together, to join with other households to pay for solar panels and battery storage. The Switch Together page gives no round dates. The council also offers residents over 60 or on disability benefits a £5,000 home repair grant, which is not specific to solar.
Royal Greenwich energy savingPlanning in Greenwich
23 conservation areas
There are 23 conservation areas in Royal Greenwich, and Article 4 directions in areas including Ashburnham Triangle, East Greenwich, West Greenwich and the Progress Estate mean re-roofing can need planning permission. The Maritime Greenwich World Heritage Site covers the town centre, the Old Royal Naval College and the Royal Park, and the council treats alterations there like conservation area applications.
Local advice
SELCE
South East London Community Energy helps residents find out if they are eligible for grant-funded home improvements, free for Royal Greenwich residents.
Visit SELCESolar panels in Greenwich neighbourhoods
Towns just outside Greenwich
Compare reviewed installers in Greenwich
Google and Trustpilot ratings for MCS-certified firms working across Greenwich.
Solar panels across London
Greenwich is part of London. See London-wide costs, council schemes and planning rules, plus every London borough we cover.
Renewable Energy Potential in Greenwich
Greenwich is a large town in Greater London with a population of 286,186 (ONS Census 2021). The postcode area for Greenwich is SE10. You'll need your full postcode when getting quotes from MCS-certified installers.
Costs, VAT and payback in Greenwich
What a typical home in Greenwich needs, what it costs fitted with 0% VAT, and what it generates at Greenwich's solar yield of 962 kWh per kWp:
1–2 bed
3 kWp, 7 panels
- Output in Greenwich
- 2,886 kWh/yr
- Typical cost
- £5,700–£7,000
- Payback
- 13–15 years
3 bed
4 kWp, 10 panels
- Output in Greenwich
- 3,848 kWh/yr
- Typical cost
- £6,600–£8,500
- Payback
- 11–13 years
4 bed
5 kWp, 12 panels
- Output in Greenwich
- 4,810 kWh/yr
- Typical cost
- £8,300–£10,200
- Payback
- 11–13 years
5+ bed / EV
7 kWp, 16 panels
- Output in Greenwich
- 6,734 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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Browse MCS-certified installers covering Greenwich and all of Greater London.
Power Cuts in Greater London Today
Live power cut map for Greenwich and the rest of Greater London, with recent power cuts and how long they usually last.
Frequently Asked Questions About Solar Panels in Greenwich
How much do solar panels cost in Greenwich?
A typical 10-panel (4 kWp) system costs £6,600–£8,500 fitted in Greenwich, with 0% VAT. Install prices vary little across the UK, but output does: in Greenwich that system generates about 3,848 kWh a year and saves around £685, paying back in roughly 11–13 years.
Is there a solar panel grant or council scheme in Greenwich?
Solar Together (now Switch Together): Royal Greenwich invites residents to register interest in Solar Together, now called Switch Together, to join with other households to pay for solar panels and battery storage. The Switch Together page gives no round dates. The council also offers residents over 60 or on disability benefits a £5,000 home repair grant, which is not specific to solar.
Do I need planning permission for solar panels in Greenwich?
Usually not for an ordinary house. There are 23 conservation areas in Royal Greenwich, and Article 4 directions in areas including Ashburnham Triangle, East Greenwich, West Greenwich and the Progress Estate mean re-roofing can need planning permission. The Maritime Greenwich World Heritage Site covers the town centre, the Old Royal Naval College and the Royal Park, and the council treats alterations there like conservation area applications.
Where can I get solar advice in Greenwich?
SELCE: South East London Community Energy helps residents find out if they are eligible for grant-funded home improvements, free for Royal Greenwich residents.
How do I find a good solar installer in Greenwich?
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 Greenwich reviews page ranks local firms by their Google and Trustpilot ratings.
Solar Guides & Resources
Planning solar in Greenwich? These guides cover the detail:
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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