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Solar · Advice

Is 'free solar' or rent-a-roof a good deal?

Short answer

Be careful. Many 2010 to 2016 'free' systems were roof leases lasting 20 to 25 years: the company kept the Feed-in Tariff and you got some free daytime electricity. Leases can complicate selling or remortgaging, because lenders must approve them under UK Finance rules. Any new 'free' or 'self-funding' offer deserves close scrutiny.

Last checked 24 September 2026 · 1 source

In more detail

  • UK Finance Lenders' Handbook clause 5.20 (England & Wales) sets minimum requirements for roof-space leases; NI roof-space leases unacceptable (lease of rights needed); no Scottish guidance.
  • Financial Ombudsman has handled many complaints where solar was sold (often on credit) as 'self-funding'; s75/s56 Consumer Credit Act can make the lender liable for misrepresentation.
  • Fully funded solar for low-income homes via government schemes is legitimate - check eligibility via official routes.

The facts, dated

  1. 01
    Lenders' Handbook clause for roof-space leases (England & Wales) — 5.20 clause

    regulation · England · checked 24 September 2026 · lendershandbook.ukfinance.org.uk

Sources

Last checked: 24 September 2026