Walthamstow
Dormer conversion
A dark unused roof space transformed into a calm, light-filled bedroom with fitted storage.
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20+ Years
Experience
10 Years
Guarantee
£2m
Public liability insurance
9.96 / 10
71 customer reviews
Qualified & insured tradesOne point of contact throughoutPlanning & building-regs experienceBroad London coverage
Selected Work
See what your roof space could become
Ealing
Hip-to-gable conversion
A full-width suite created by extending the sloping roof and opening the room to daylight.
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Hackney
Mansard conversion
A carefully detailed new floor with generous glazing, warm joinery and flexible living space.
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One team.
One accountable contact.
Your dedicated project manager coordinates carpentry, electrical, plumbing, plastering and tiling from start to finish. You always know who to call, what happens next and who is responsible.
Talk to My Project ManagerHomeowner Reviews
9.96/10
71 Checkatrade reviews for Supreme Lofts Ltd. Vetted and approved TrustATrader member, serving Waltham Forest and surrounding London areas.
Read More Reviews“Both jobs were done well. He is prompt and fair. HIGHLY recommended!”
Conversion Types
The right conversion for your roofline
Dormer conversions
More headroom and practical floor space.
Check If This Fits My HomeHip-to-gable conversions
Extend a sloping roof into a full-width room.
Check If This Fits My HomeMansard conversions
Create substantial space in period homes.
Check If This Fits My HomePlanning & design
Drawings, approvals and building regulations managed.
Check If This Fits My HomeHelpful Answers
Questions before you start
Every property is different. The cost depends on the type of conversion, size, structural requirements, specification and finishing choices. Contact us to discuss your property and requirements.
Free Initial Estimate
Show us the space you want to transform
Share a few details and add a photo or plan. It helps us understand your home and prepare a faster, more useful first estimate.
No obligation and no sales pressure. Prefer to talk? Call 020 8524 5214.