Specialist loft conversion and extension builders. FMB members.
07564 041115Dormer, mansard, hip-to-gable, and L-shaped conversions for Wandsworth's period properties.
Rear, side return, and wraparound extensions. Open-plan living designed for Wandsworth homes.
| Type | Typical Cost | Planning? |
|---|---|---|
| Velux / Rooflight | £55,000 – £75,000 | Usually no |
| Rear Dormer | £75,000 – £110,000 | Often no |
| L-Shaped Dormer | £90,000 – £140,000 | Check with us |
| Mansard | £100,000 – £160,000+ | Yes |
| Rear Extension | £60,000 – £90,000 | Often no |
| Side Return | £40,000 – £60,000 | Often no |
All costs exclude VAT. Detailed quote provided before work begins.
Free consultation. Transparent, fixed-price quote within 48 hours.