Loft Conversions
London & UK
Converting your loft is one of the highest-value home improvements you can make.
Our Loft Conversions Services
Dormer Loft Conversion
Box-shaped extension creating headroom and a new room.
Velux / Roof Light
The simplest option — Velux windows in the existing roof slope.
Hip-to-Gable
Ideal for detached/semi-detached with a hipped roof.
Mansard Conversion
Maximum space — alters roof slopes to near-vertical.
L-Shaped Dormer
Rear dormer combined with extension over existing addition.
Modular / Timber Frame
Factory-built shell installed in a single day.
How It Works
Free Loft Assessment
We measure your loft, check head height and structure.
Design & Permissions
Architects prepare drawings. We handle planning and building regs.
Fixed-Price Quote
Detailed, transparent quotation with no hidden extras.
Build & Handover
8-12 weeks of managed construction. Full snagging and sign-off.
Loft Conversions Cost Estimator
Estimates are indicative only. Final costs depend on site conditions, specification, and access. Get a free, no-obligation quote for an accurate price.
What Our Clients Say
“The level of structural precision is unlike anything I’ve seen in UK residential building. They treated my Victorian terrace like a piece of high art.”
Alastair VanceDormer Conversion, Chelsea · Dormer Conversion“10 weeks exactly as promised. The site was immaculate and the integration with the existing structure is completely seamless.”
Elena RodriguezVelux Project, Richmond · Velux Conversion“SuperBuilder managed the entire planning process for our L-Shaped conversion. The added space has completely changed our family dynamic.”
Marcus ThorneL-Shaped Conversion, Hackney · L-Shaped Conversion
Frequently Asked Questions
Ready to Get Started?
Call us today for a free, no-obligation site survey and estimate.