Notting Hill · W11 · Royal Borough of Kensington & Chelsea

Rear Extensions in Notting Hill, W11

Single-storey rear extensions to Notting Hill houses — reaching into a private garden for a brighter ground floor, designed for conservation consent, with the communal-garden question answered honestly.

Speak to the studio directly: 020 8054 8756

One Studio. One Contract. One Team.
Architects, Engineers, Surveyors & Builders under one roof
Planning & conservationManaged
Structural engineeringIn-house
Party wall mattersHandled
Listed & periodSpecialist
Fully insured£10M
SW London consultations2 Eaton Gate, SW1

Reaching into the garden — where the garden is yours

A single-storey rear extension is the classic way to give a Notting Hill house the bright, garden-facing ground floor it was never built with — usually a kitchen-dining room that opens to the outside. But here it begins with a question that does not arise elsewhere: is the garden private, or is it one of the communal garden squares?

Where the house backs onto a communal garden, you generally cannot extend into it — it is shared, protected open space. Where there is a private rear garden, a single-storey extension can transform the ground floor, though the conservation area means permitted-development rights are restricted and the extension needs planning permission with a design that respects the rear elevation and the neighbours’ daylight.

We tell you straight what your house can take, design an extension that is both useful and consentable, engineer the structure and the opening back into the house, and build it through to a finished room — one contract, honest budgets in pounds sterling.

What shapes a Notting Hill rear extension

In Notting Hill a rear extension depends first on whether the garden is yours to build on.

01

Communal vs private

Houses backing onto communal gardens generally cannot extend into them; private gardens can.

02

Planning, not PD

Conservation-area restrictions mean a rear extension needs a planning application, 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 Notting Hill rear extension includes

From an honest feasibility read to a finished garden room — under one team.

Feasibility

Confirming the garden is private and what depth can be built.

Design

A single-storey rear extension that suits the house and the garden.

Planning & heritage

A 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 of the terrace.

Build & glazing

Walls, roof, rooflights and glazed doors that bring light and the garden in.

Fit-out & finishes

Kitchen or living fit-out, flooring and decoration.

Snagging & handover

Two-stage snagging and a clean handover.

Streets & estates across W11

We design and build single-storey rear extensions on Notting Hill houses with private gardens, across the W11 conservation areas.

Portobello RoadLadbroke GroveElgin CrescentStanley CrescentLansdowne RoadClarendon RoadPembridge VillasKensington Park RoadWestbourne GroveLadbroke Square

Notting Hill sits within the Royal Borough of Kensington & Chelsea — see our Notting Hill area page and South West London refurbishment overview.

Questions clients ask before they start

Can I build a rear extension in Notting Hill?

Where you have a private rear garden, usually yes — subject to conservation design and the neighbours. If the house backs onto a communal garden you generally cannot extend into it. We tell you honestly first.

Do I need planning permission?

In the conservation area, almost always — permitted-development rights are restricted, so a rear extension needs a planning application.

How deep can I go?

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

Will neighbours be affected?

Extending and opening up the rear on a terrace engages the Party Wall etc. Act 1996. 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 Notting Hill, W11

Start your Notting Hill rear extension

Book a no-obligation consultation at 2 Eaton Gate in SW1, at our Hampstead studio, 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
SW London consultations2 Eaton Gate, London SW1W 9BJ

Book a Refurbishment Consultation

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

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