Loft conversion cost guides
How much a hip to gable loft conversion costs in 2026, including the popular hip to gable with rear dormer, double hip to gable on detached houses, regional prices and a full budget breakdown.
What a dormer loft conversion really costs in 2026, from a simple flat roof rear dormer to an L-shaped dormer, with per-m² rates, regional prices and a full budget breakdown.
How much does a loft conversion cost in 2026? Velux, dormer, hip to gable and mansard prices, cost per m², regional costs, fees and a worked example.
Most loft conversions are permitted development. The 40m³/50m³ volume limits, when you need permission, building regulations and party wall rules.
