Loft conversions in South Hampstead — dormer and mansard conversions to the villas of NW6, designed to respect the conservation roofline and win Camden consent, with structure in-house.
Speak to the studio directly: 020 8054 8756
A loft conversion in South Hampstead has to respect a controlled roofline. Much of the area lies within the South Hampstead Conservation Area, which values consistent roof forms across the villa-lined streets, so roof additions are judged against the wider terrace and street, not just one house.
Where the building and the conservation area allow, a dormer or mansard at the rear can add a genuine usable floor with a compliant staircase and fire strategy. On listed houses, and in the more sensitive parts of the conservation area, roof change is more constrained — and a leasehold mansion flat usually cannot be loft-converted at all, since the roof belongs to the whole building. So we assess your specific roof and ownership before proposing anything.
We design the conversion to sit correctly on the roof, win the Camden consent, and engineer the structure, staircase, party wall and Building Control in one contract — with honest budgets in pounds sterling.
Roofline policy and the rhythm of the street decide what is possible above the eaves.
The South Hampstead Conservation Area values consistent roof forms, so additions are controlled.
A roof addition is judged against the wider street, not just your own house.
A house loft is yours; a mansion-flat roof belongs to the whole building, so check ownership first.
A new floor needs structural support, a compliant staircase and a fire strategy, all in-house.
From a roof feasibility study to a finished, compliant floor — under one team.
Assessing the roof, the street and the conservation area before design.
Drawings and a heritage case for a subordinate dormer or matching mansard.
Steel and floor structure for the new level, with Building Control.
A compliant staircase woven into the existing house.
Fire strategy, escape and Building Regulations sign-off.
Mansard or dormer construction, roofing, insulation and weathering.
Notices and awards for the shared roof and walls.
Bedroom or studio fit-out, snagging and a clean handover.
We design and build loft conversions where the roofline and conservation area allow, across South Hampstead’s NW6 villas.
South Hampstead sits within the London Borough of Camden — see our South Hampstead area page and North London refurbishment overview.
Book a no-obligation consultation at our North London studio on Finchley Road, in Hampstead, or at your property. We will give you an honest read on approvals, programme and budget band — in pounds sterling — before you commit.
Site visit · approvals read · outline budget band (GBP) · programme indication. No obligation.
Send Project DetailsThe same NW3 design-build team covers the neighbouring areas: