Wondering about the loft conversion cost in London? Prices vary depending on the type of conversion, materials, and structural changes required. Simple Velux window conversions start from £25,000, while larger dormer or mansard conversions range between £40,000 to £70,000. Investing in a loft conversion not only adds valuable space but also increases your property’s market value.

Wondering about the loft conversion cost in London? Prices vary depending on the type of conversion, materials, and structural changes required. Simple Velux window conversions start from £25,000, while larger dormer or mansard conversions range between £40,000 to £70,000. Investing in a loft conversion not only adds valuable space but also increases your property’s market value.