How Much Does a Loft Conversion Cost? UK 2026 Price Guide
How much does a loft conversion cost in 2026? Full UK price guide — Velux from £20,000, dormer £35,000–£65,000, hip-to-gable £45,000–£70,000, mansard £55,000–£85,000. Real Yorkshire prices for Harrogate, Leeds, York, Ripon and Wetherby. Free fixed-price quotes.
Loft Conversion Costs by Type (UK 2026)
- Velux (roof-light) conversion: £20,000–£32,000
- Rear flat roof dormer: £35,000–£50,000
- L-shaped dormer: £50,000–£65,000
- Hip-to-gable + rear dormer: £45,000–£70,000
- Mansard: £55,000–£85,000
Loft Conversion Cost in Yorkshire
Yorkshire build costs typically run 20-30% below London. Most dormer loft conversions in Harrogate, Leeds, York, Ripon, Wetherby and Knaresborough fall between £35,000 and £65,000.
Get in touch
Call 07526 739253 or 01423 638367.
Email enquiries@dormerking.uk.
Based in Knaresborough, North Yorkshire — serving Harrogate, Leeds, York, Ripon, Wetherby, Nidderdale and Pateley Bridge.