What to Ask About Retrofit Warranties and Guarantees
UK-focused guide on what to ask about retrofit warranties and guarantees for residential Stakeholders; theme Energy retrofit and retrofit finance; practical checks and official sources.
Published: 21 Apr 2026 · Updated: 21 Apr 2026 · 8 min read
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How to use this guide
This guide answers: What to Ask About Retrofit Warranties and Guarantees Treat it as a working note you can share with your conveyancer, lender, or surveyor so everyone checks the same facts.
One address at a time
Start with a single UPRN-level view where possible so you do not mix up neighbouring plots.
Material facts
If something could affect a buyer’s decision, plan early disclosure with your agent and solicitor.
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Start from the address on [Property Search](/search). Owners can [claim the Property Passport](/claim/start) and upload Documents with clear dates and sources. Browse more explainers in the [Property Guides library](/guides). This article is general information, not legal, tax, mortgage, or survey advice.
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