South Hampstead · NW6 · London Borough of Camden

Rear Extensions in South Hampstead, NW6

Single-storey rear extensions to South Hampstead villas — reaching into the private garden for a brighter ground floor, designed for the conservation area and Camden, with structure and build in-house.

Speak to the studio directly: 020 8054 8756

One Studio. One Contract. One Team.
Architects, Engineers, Surveyors & Builders under one roof
Camden planningManaged
Structural engineeringIn-house
Party wall mattersHandled
Listed & periodSpecialist
Fully insured£10M
North London studio250 Finchley Rd, NW3

Reaching into the private garden for light

A single-storey rear extension is the classic way to give a South Hampstead villa the bright, garden-facing ground floor it was never built with — usually a kitchen-dining room that opens to the outside. Because the villas here typically own their rear gardens, it is a genuinely realistic option, not a non-starter.

Most of South Hampstead lies within the South Hampstead Conservation Area, so permitted-development rights are restricted and a rear extension needs Camden planning permission with a design that respects the original rear elevation and the neighbours’ daylight and outlook. Properties outside the conservation area may have more PD scope, so the first step is to confirm exactly where you stand.

We design the extension to suit the villa and the garden, win the consent, engineer the structure and the opening back into the house, and build it through to a finished room — one contract from drawings to handover, with honest budgets in pounds sterling.

What shapes a South Hampstead rear extension

South Hampstead’s private gardens make a rear extension viable — the conservation area shapes how.

01

Private gardens

Villas typically own their rear gardens, so a single-storey rear extension is genuinely possible.

02

Planning, not PD

Conservation-area restrictions mean a rear extension needs Camden planning, not permitted development.

03

Neighbours count

Daylight, outlook and overlooking to neighbours shape the depth and the design.

04

Opening up

Connecting the extension to the house means a structural opening, engineered and party-walled.

What a South Hampstead rear extension includes

From a consented design to a finished garden room — under one team.

Feasibility & design

Designing a rear extension that suits the villa, the garden and Camden policy.

Planning & heritage

A Camden planning application and heritage-led design for the conservation area.

Structural design

Foundations, steel and the opening back into the house, with Building Control.

Party wall

Notices and awards on the shared walls with neighbours.

Build & weathering

Walls, roof, rooflights and weathering to current standards.

Glazing

Glazed doors and rooflights that bring the garden and light in.

Fit-out & finishes

Kitchen or living fit-out, flooring and decoration.

Snagging & handover

Two-stage snagging and a clean handover.

Streets & gardens across NW6

We design and build single-storey rear extensions on South Hampstead villas with private gardens, across NW6.

Fairhazel GardensGoldhurst TerraceCompayne GardensCanfield GardensGreencroft GardensAberdare GardensBroadhurst GardensPriory RoadBelsize RoadLoudoun Road

South Hampstead sits within the London Borough of Camden — see our South Hampstead area page and North London refurbishment overview.

Questions clients ask before they start

Can I build a rear extension in South Hampstead?

Often, yes — the villas typically have private rear gardens, so a single-storey extension is viable, subject to the conservation area and the neighbours. We design it for consent.

Do I need planning permission?

In the South Hampstead Conservation Area, almost always — permitted-development rights are restricted, so a rear extension needs Camden planning. Outside the conservation area there may be more PD scope; we confirm your position.

How deep can I go?

It depends on the garden, the neighbours’ daylight and outlook, and Camden policy. We design to the depth that is both useful and consentable.

Will neighbours be affected?

Extending and opening up the rear engages the Party Wall etc. Act 1996 where walls are shared. We manage the notices and awards.

What does a rear extension cost?

It depends on size, structure and finish. We give an honest budget band in pounds sterling (GBP) after a feasibility visit.

More in South Hampstead, NW6

Start your South Hampstead rear extension

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.

Call the studio020 8054 8756
North London studio250 Finchley Road, London NW3 6DN

Book a Refurbishment Consultation

Site visit · approvals read · outline budget band (GBP) · programme indication. No obligation.

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Also Serving Nearby Areas

Rear Extensions Near South Hampstead

The same NW3 design-build team covers the neighbouring areas:

Rear Extensions in West Hampstead → Rear Extensions in Swiss Cottage → Rear Extensions in Hampstead →