Add a bedroom suite, a studio or a quiet office — without leaving home.
Dormer, mansard, hip-to-gable and velux conversions delivered to a premium architectural finish across London and Kent.
Dormer Loft Conversions
The most versatile and cost-effective loft conversion for terraced and semi-detached homes.
Mansard Loft Conversions
Maximum head height and floor area, ideal for London period properties.
Hip-to-Gable Loft Conversions
Convert a hipped roof into a usable double room with a vertical gable wall.
L-Shape Dormer Loft Conversions
Two linked dormers over the main roof and rear outrigger — perfect for Victorian and Edwardian terraces.
Velux Loft Conversions
A budget-friendly rooflight conversion that keeps the existing roofline and floods the loft with daylight.
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What homeowners ask us most.
How much does a loft conversion cost in London?+
Loft conversion costs in London typically range from £35,000 to £90,000+ depending on the type of conversion, property structure, size and specification. Dormer loft conversions are usually the most cost-effective, while mansard conversions are more premium and complex.
What is the cheapest type of loft conversion?+
A Velux or rooflight loft conversion is usually the cheapest option because it requires minimal structural alterations to the roof.
Which loft conversion adds the most value?+
Dormer and mansard loft conversions often add the most value to London properties because they create significant additional living space and bedrooms.
Do I need planning permission for a loft conversion?+
Many loft conversions fall under permitted development rights, but mansard lofts, front-facing dormers, conservation areas and flats may require planning permission. We handle planning applications and party wall agreements as part of every project.
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