Loft Conversions London
Expert Loft Conversion Architect Plans — From £899
A loft conversion is one of the most cost-effective ways to add space and value to your London home. Crown Architecture specialises in designing loft conversions that maximise every inch of your roof space, creating beautiful, functional rooms that transform how you live.
From simple Velux conversions to full mansard extensions, our expert architects design loft conversions that balance your vision with planning requirements and structural constraints. We handle the entire process — from initial concept and planning drawings to building regulations compliance and structural calculations.
Types We Design
- Dormer Loft Conversions — The most popular type, adding a box-shaped extension to the roof slope
- Hip-to-Gable — Ideal for semi-detached houses, converting the hip roof into a vertical gable wall
- Mansard — Maximum volume with near-vertical rear wall at 72 degrees
- Velux / Roof Light — Most affordable, simply adding roof lights
- L-Shaped — Perfect for Victorian terraces with rear return
Included in Our Package
- Full measured survey
- Existing and proposed plans, elevations, sections
- Planning application preparation and submission
- Building regulations drawings
- Structural calculations for steel beams
- 3D visualisation
Get a Quote
Loft conversion plans from £899
(was from £1,799 — 50% off!)
info@crownarchitecture.co.uk
71-75 Shelton Street, London WC2H 9JQ
Ready to start? Call 07443804841 | info@crownarchitecture.co.uk