House Extensions Camden Town

GS Renovation builds extensions on the Victorian terraces of Camden Town, from rear and side-return additions to full wrap-arounds and double-storey builds. We handle foundations, steelwork, roofing and the full fit-out, so your extended home works as one considered space rather than a bolted-on box.

In Camden Town, a single-storey rear extension typically starts from £40,000, or £2,000 to £2,800 per m² (indicative London ranges, Architecture for London, Resi, MyBuilder and Checkatrade, 2026). GS Renovation Ltd, a building contractor based in Potters Bar, does the work in Camden Town: the structural engineer we appoint designs the structure, we build it, and building control signs it off.

Side-return and rear extensions in Camden Town

For the houses here, the classic extension fills the narrow side return beside the rear closet wing, widening a cramped galley kitchen into an open-plan kitchen-diner that runs the full width of the house. We dig and pour new foundations to suit the ground, tie the new structure into the existing solid brick and install steel beams where we remove the outside wall, giving you a bright, level space that flows to the garden.

On wider plots nearer Regent's Park we build larger rear or wrap-around extensions, and where the roof allows we take the work up to a second storey. Throughout, we work around the reality of an occupied terrace in a busy NW1 street, sequencing deliveries, groundworks and roofing so your household keeps running while the shell goes up.

Housing in Camden Town

The valuation list shows roughly 13,150 homes in Camden Town, of which 44% are pre-1919, 2% interwar and 54% post-1945, split 86% flats to 14% houses. Where most homes are flats, a flat in Camden Town has no householder permitted development rights, so extending one needs planning permission and the freeholder's consent.

What the Camden Town appraisal means for a rear extension

Where a Camden Town house is in the conservation area, a modest single storey rear extension can still be permitted development unless an Article 4 direction removes it, but a flat has no such rights. Anything needing permission meets the appraisal, which says rear extensions will not be acceptable where they would compromise the special character of the area. The rear of a terrace is seen from other gardens, from the backs of the next street and in places from the canal, so height, depth and materials are judged against that view. A design that keeps below the existing rear additions and uses matching brick is easier to defend than a full width glass box.

Ask your designer to show the extension in a view from the neighbouring gardens, not only in plan, and book Camden's homeowner pre-planning application advice before drawing in detail. A two storey rear extension, or more than one extension at once, falls under Level 2, the tier for multiple or more complex works. Check the trees as well. Camden requires six weeks' notice before tree work in a conservation area, for any tree with a trunk diameter of more than 75mm at a height of 1.5 metres. A foundation near a garden tree may need its roots or crown dealt with before digging starts.

Planning and party walls in NW1 Camden

Some Camden Town extensions fall under permitted development, but many do not, so it depends on your specific property. Flats always need a full planning application to Camden Council; in a conservation area side, two-storey and roof extensions need one too, while a single-storey rear extension within the limits can still be permitted development unless an Article 4 direction removes it; and a rear addition beyond the permitted size, or on a house already extended, needs one as well. We assess your house honestly, tell you which route applies and arrange the drawings and building regulations details either way.

Extending a terrace almost always touches a shared boundary, so the Party Wall Act comes into it. Excavating near the neighbour's wall or building off the party wall means you serve notice on adjoining owners in good time as building owner. We give you the drawings and programme it needs alongside the planning and building control side, so approvals, notices and the construction programme line up rather than tripping over each other.

Kitchen extensions in Camden Town

86% of homes in Camden Town are flats, and a flat has no householder permitted development, so a ground-floor flat's kitchen extension needs planning permission from Camden Council and the freeholder's consent. With so few houses here, the realistic kitchen gain in most Camden Town homes is a better layout inside the flat rather than an extension. The fit-out is priced on its own page, kitchen renovation in Camden Town; the build figures are in the table above. Double storey extensions belong to the few houses here.

• Trial holes to set foundation depth near drains and trees
• Building control inspections at foundation, damp course and steel stages
• Single and double storey extensions

VOA Council Tax stock of properties, March 2025, for Camden Town & Mornington Crescent, Camden Street & Elm Village and Primrose Hill. Counts rounded by the VOA.

Once you know the scope of the house extensions in Camden Town, it helps to read RSJ and steel beam installation in Camden Town, house extensions across Camden, double storey extensions, garage conversions in London, how we handle house extensions across London and Double Storey Extension Cost.

Why Choose GS Renovation in Camden Town

Homeowners in Camden Town choose GS Renovation because one team carries the extension from foundations to final coat. We advise clearly on permitted development versus a planning application to Camden Council, and manage the structure, roof and fit-out together. Our founder's 30+ years on the tools means fewer surprises and a build that lasts.

• Foundation depth set after trial holes, drains and trees are checked
• Straight advice on what is and is not worth spending money on
• Insulation and thermal detailing to current regulations

Checked by Abdelaaziz Saaid, founder and director of GS Renovation Ltd (Companies House no. 14611254). Structural design is by the consulting engineer appointed to your project.