Loft Conversion Cost in Kent – 2025 Guide
Loft conversions remain one of the best ways to add space and value to your Kent home. Here’s the cost breakdown in 2025:
- Basic rooflight conversion: £20,000 – £30,000
- Dormer conversion: £35,000 – £50,000
- Hip-to-gable conversion: £45,000 – £65,000
- Mansard conversion: £60,000 – £80,000+
What affects cost?
Size, roof type, planning permission, insulation, and fixtures all contribute. Adding bathrooms/kitchens increases cost.
FAQ
Do I need planning permission?
Many loft conversions fall under permitted development, but dormers and mansards often require approval.
Does it add value?
Yes — a good loft conversion typically adds 15–20% to your home’s value in Kent.
Get an Instant Loft Conversion Estimate
Use our AI-powered estimator for a transparent, instant price range.
Try Free Quote →