Loft conversion cost in the UK (2026)
A loft conversion is one of the most cost-effective ways to add a bedroom without losing garden space — but the price swings widely depending on the type of roof you have and the finish you want. Below is what UK homeowners are actually paying in 2026, broken down so you can sense-check any builder's quote.
Loft conversion — typical UK cost
UK, 2026Get loft conversion quotes near you
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Cost ranges are indicative UK figures compiled from trade rates and published industry data to help you budget and check quotes. They are not a quotation or professional advice. Always get written quotes from qualified professionals. This page may contain affiliate links; we may earn a commission at no cost to you.