Solar Panel Installers in London
Greater London • 206 verified companies
Going Solar in Greater London
Our directory features 206 verified solar companies serving London and the surrounding areas, all vetted for quality and reliability.
More homeowners across Greater London are switching to solar to cut energy bills and reduce their carbon footprint. With 0% VAT on installations and the Smart Export Guarantee (SEG) paying for surplus electricity, the economics have never been stronger.
A typical 4kW system in this area generates around 3,400-3,800 kWh of electricity per year, saving £800-£1,100 annually. Use our free solar panel calculator to get a personalised estimate for your property.
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Why Go Solar Here?
- Access to 206 local installers with proven track records
- Competitive pricing due to local market competition
- Fast response times for quotes and installations
- Local knowledge of Greater London regulations and planning requirements
- Ongoing support from companies based in your area
Solar Companies in London
Warmaway Mechanical Ltd is a heating and plumbing specialist located in Dewsbury, offering reliable and efficient ser...
Watt Energy Saver is an industry-leading specialist energy engineering company providing cost-effective energy soluti...
West Energy Services Ltd is a Scottish-registered company providing reliable heating and plumbing services, including...
Westville Group offers a range of property improvement services including insulation and rendering. Their contact for...
Wise Green Energy are MCS accredited solar panel installers, offering expertise in green energy solutions including s...
XKY Energy Ltd is an MCS-certified renewable energy installer based in Loanhead, Scotland, specializing in solar PV, ...
Showing 201 to 206 of 206 companies
Frequently Asked Questions
How much do solar panels cost in London?
Installation typically costs between £5,000 and £12,000 depending on system size. A 4kW system for a 3-bed home costs around £6,000-£8,000, including panels, inverter, mounting, and labour. Get quotes from local installers on TopGreenDeals to compare prices.
Do I need planning permission for solar panels in London?
Most residential installations fall under permitted development rights and do not need planning permission. Exceptions include listed buildings, conservation areas, and ground-mounted systems over 9m². Check with your local planning authority if unsure.
How do I choose the best solar installer in London?
Look for MCS-certified installers with strong customer reviews. Check their track record, warranty terms, and whether they offer aftercare. Compare ratings and request quotes from multiple companies to find the best fit.
Not sure what size system you need? Use our free solar panel calculator to estimate costs and savings for your home. Considering a heat pump too? Try our heat pump calculator or read our air source heat pump guide.





