Extensions & lofts
Extensions & lofts
Side-return, rear and wrap-around extensions, plus loft conversions (dormer, mansard, hip-to-gable). We work to your architect's drawings or recommend one we trust. Party-wall, building control and structural sign-off included.
Typical pricefrom £45,000up to ~£120,000 for a wrap-around with glazing
Typical duration6–12 weeks working dayssix weeks for a tight side-return, three months plus for full wrap-arounds
Payment schedule40 / 30 / 30deposit · first-fix · snagging sign-off
What’s included
Side-returns, rears, wrap-arounds, lofts.
From architect liaison through to the second-fix paint touches. Party-wall agreements, structural sign-off and building control are all handled in-house — you sign one contract and we run the rest.
- Architect liaison and drawings review
- Party-wall agreements and building control
- Groundworks and foundations
- Structural steels and brickwork
- Roofing, glazing and external finishes
- Full first and second fix throughout
- Plastering, decorating, flooring
Before & after
The same room, weeks apart.
Before
AfterSide-return extension · Leytonstone E11
“Mid-job they hit rotten joists. Sent us a photo and quote on WhatsApp, we approved from work in two minutes. No phone tag, no delay.”
Mark T., Chingford E4