Solar panel installers in London

Tell prospective installers whether you own the whole building, a flat or a leasehold interest and who controls the roof. Ask which permissions or consents need to be resolved for the project before planning work. Describe access restrictions, the roof type and any known repairs. Where several parties are involved, agree who coordinates the survey, access, electrical work and installation schedule.

Ask for a site-specific shading assessment

Nearby buildings, roof features and trees can affect a proposed layout. Ask the company to explain the assessment used and its effect on expected generation. Compare the panel layout and equipment specification alongside the estimate. If quotes differ significantly, ask whether the difference comes from equipment, layout, shade assumptions or your expected use of electricity rather than choosing on the largest annual number alone.

Include access and electrical work in the price comparison

Request an installed total that identifies scaffolding or lifting arrangements, roof preparation, cabling, electrical upgrades, monitoring and commissioning. Establish working hours and any building-management requirements. If a battery is proposed, ask the installer to assess location and access and explain usable capacity, power limits and backup requirements. Use our battery guide for a comparable specification.

Check funding and export requirements separately

For potential support in England, use the official Warm Homes: Local Grant service and check the actual eligibility and assessment process. Other schemes have their own requirements. A company’s funding badge does not mean your project qualifies. Export payments are a separate arrangement: check the supplier’s current requirements and the documents the installer will provide.

Choose a contractor for installation and aftercare

Confirm the company’s postcode coverage, recent experience with comparable buildings and the legal entity carrying out the work. Check relevant credentials using official resources. Agree the installation scope, exclusions and warranty terms in writing. For an existing system, ask whether the company undertakes repairs on equipment installed by others and how site access affects the diagnostic charge.

Guide reviewed 19 September 2026. Official funding sources are linked above; confirm current conditions before making an application or committing to work.

Comparing solar companies in London

These 108 directory records are grouped by location. Start with the work you need: new panels, battery storage, repairs or a specialist service. Check each company’s current postcode coverage, equipment support and availability before arranging a survey.

Compare battery installation requirements · Find repair and maintenance options · Explore services and brands

Frequently asked questions

Do all listed installers cover my address in London?

No. Listings show company locations and recorded details, not guaranteed service boundaries. Give the company your full postcode and project type to confirm coverage and any travel charges.

What should I send when requesting a solar quote?

Include your postcode, property type, the work required, electricity use and any existing panel, inverter or battery details. Ask for a site-specific design, installation scope, exclusions and separate equipment and workmanship warranties.

Does a directory badge prove current certification?

No. Check the exact business and relevant technology on the official scheme register or manufacturer resource. Historical directory categories and company-stated claims are not independent certification.

Can I find someone to repair an existing solar system?

Ask whether the company accepts systems installed by others and supports your equipment model. A new-installation service does not automatically include repairs, so confirm the diagnostic charge and proposed work before booking.

Find Solar Panel Installers in London, United Kingdom

Solar Panel Installer services & products offered in Beckenham:

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Solar Panel Installer services & products offered in Bromley:

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Solar Panel Installer services & products offered in Camden:

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Solar Panel Installer services & products offered in Chessington:

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Solar Panel Installer services & products offered in City Of London:

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Solar Panel Installer services & products offered in Ealing:

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Solar Panel Installer services & products offered in Edgware:

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Solar Panel Installer services & products offered in Enfield:

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Solar Panel Installer services & products offered in Hackney:

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Solar Panel Installer services & products offered in Haringey:

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Solar Panel Installer services & products offered in Harrow:

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Solar Panel Installer services & products offered in Hounslow:

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Solar Panel Installer services & products offered in Ilford:

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Solar Panel Installer services & products offered in Islington:

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Solar Panel Installer services & products offered in Kensington And Chelsea:

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Solar Panel Installer services & products offered in Kingston Upon Thames:

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Solar Panel Installer services & products offered in Lambeth:

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Solar Panel Installer services & products offered in London:

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Solar Panel Installer services & products offered in Merton:

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Solar Panel Installer services & products offered in Mitcham:

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Solar Panel Installer services & products offered in Pinner: