← Loft Conversions
L-Shape Dormer Loft Conversions
An L-shape dormer combines a rear dormer over the main roof with a second dormer over the back outrigger, creating two generous bedrooms and a bathroom — the dream layout for Victorian and Edwardian terraces.
From
£75,000
Programme
10–13 weeks
Planning
PD or full
Warranty
10 years
Why homeowners choose this
- Adds two bedrooms plus a bathroom in most homes
- Best space gain on Victorian / Edwardian terraces
- Often achievable under permitted development
- Significant uplift in property value

Planning, structural & build — handled.
Our in-house team manages design, planning, party wall agreements, structural calcs and Building Control sign-off. You get one team, one contract, one timeline.
Areas we cover
AI Quote Assistant
Get an instant project estimate
Powered by our pricing model trained on hundreds of London & Kent loft and extension projects.
Estimated investment
£94,000 – £113,000
Indicative range incl. VAT. Final quote provided after a free site visit.
Ready to unlock your home's potential?
Free site visit, fixed-price quote, and full design and planning under one roof.