Chelsea SW3
Loft & Extension Specialists in Chelsea
Specialist loft conversion and extension builders. FMB members.
07564 041115Our Services in Chelsea
Loft Conversions
Dormer, mansard, hip-to-gable, and L-shaped conversions for Chelsea's period properties.
- 8–12 week build
- From £75,000
- Planning handled
Extensions
Rear, side return, and wraparound extensions. Open-plan living designed for Chelsea homes.
- 8–14 week build
- From £60,000
- Party wall managed
Chelsea Cost Guide
| 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.
Common Questions
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