Camden
We design kitchen extensions for Camden homes, where the real project is rarely just added floor area — it is a working kitchen-diner and the drainage, structure and light that make it usable. On a house that usually means a single-storey rear or side-return infill wrapping the back of the plan; in a converted-house or mansion flat it often means relocating the kitchen within the flat, with a new soil-stack run and an acoustic floor to protect the home below. Camden is administered by the London Borough of Camden, which has extensive conservation-area coverage, so the starting point is always your exact address, its designation and its property type rather than the borough label.
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Practice leadership
Eyal Moran, Director and Lead Architect, is an ARB-registered architect, leading design judgement, planning strategy and technical coordination across client projects.
Verify on the Architects RegisterThe short answer
Yes. On a Camden house a rear or side-return infill can turn a cramped kitchen into an open kitchen-diner, and in a flat the kitchen can usually be relocated with a new soil-stack run and an acoustic floor. Most need planning permission or a freeholder's Licence to Alter, confirmed for your exact address.
Planning at a glance
Camden
| Local planning authority | Camden |
|---|---|
| Postcode district | NW1 |
| Article 4 direction | In effect since 3 October 2016 (Camden’s borough-wide basement direction) |
| Likely approval route | Householder planning application or permitted development, depending on conservation status, listing and property type — confirmed for the exact address before drawings begin |
| Statutory determination time | 8 weeks for most householder applications (13 weeks for major applications) |
| Typical drawing package | £395–£4,950 inc. VAT, fixed fee. Find my package → |
A Camden kitchen extension is worth doing well because the kitchen, not the square metres, is the point. On a house, a single-storey rear or side-return infill is the classic move: it wraps the back of the plan so the old galley kitchen, the through-room and the garden become one kitchen-diner. The value is created less by the footprint than by where the sink, hob and island land, how the daylight reaches the middle of a deep plan, and how the new room opens to the garden. We design the extension around the kitchen layout and the servicing first, then resolve the envelope, rather than the other way round.
The structural opening between the existing house and the new addition is where a kitchen extension is quietly won or lost. Removing all or part of the original rear wall to make a single kitchen-diner almost always needs a beam and new load path down to adequate foundations, and on Camden's older terraces the wall being opened is frequently a party wall or a closet-wing return with its own quirks. We coordinate the structural engineer's beam sizing with the kitchen layout so the downstand does not cut across a run of units or a ceiling line you wanted flush, and so the opening frames the garden view rather than fighting it.
Many Camden kitchens are not in houses at all but in converted-house and mansion flats, and there the project is usually an in-flat relocation rather than an extension outward. Moving a kitchen across a flat is really a drainage and acoustics problem: waste from the sink and appliances has to fall to an existing soil stack at a workable gradient, which constrains where the kitchen can go, and a new kitchen over a neighbour's rooms needs an acoustic floor build-up to control impact and appliance noise to the home below. We plan the soil-stack run, the floor construction and the freeholder's Licence to Alter together, because in a flat those three decide what is actually buildable.
From there the route is a coordinated one. We survey the property, confirm the borough, conservation designation and permitted-development position for your exact address, and test the kitchen extension or relocation against the planning, party-wall and — for flats — leasehold constraints before committing a design. We then produce the drawings a Camden case officer or a freeholder's surveyor needs, and, once the principle is settled, the building-regulations package that resolves the structure, drainage, ventilation and, in flats, the acoustic separation. The aim is a kitchen-diner that works as a room and as a piece of servicing, not just an extension that happens to contain a kitchen.
Local analysis
Camden Town grain mixes high-street commercial edges with terrace flanks; basement Article 4 is borough-wide (3 Oct 2016 confirmation materials on Camden’s Article 4 pages).
For Camden kitchen extensions we combine rear building-line tests with structural openings through the host wall; camden-kitchen-extensions freezes planning form before joinery.
The reason to extend a Camden house at the back is almost always to convert a cramped galley kitchen and a separate rear room into a single kitchen-diner, and that ambition should drive the geometry of the extension rather than follow it. A single-storey rear extension adds depth; a side-return infill captures the narrow passage that so many Victorian and Georgian terraces have beside the closet wing, and often does more for a kitchen than depth alone because it widens the plan where the units and island want to go. Before we fix the footprint we work out where the sink, hob, tall units and any island land, how a person moves between them, and where the daylight has to reach so the middle of a now-deep plan does not go dark — which usually points to a rooflight or a glazed link over the original back wall. Because Camden plots are tight and gardens can be small, we test the projection against the garden that remains and the neighbour relationship, so the kitchen you gain does not cost you a usable outside space or a defensible application.
Making one room out of the old kitchen and the new extension means opening up the original rear wall, and that opening is the most consequential piece of structure in the project. In most cases it needs a beam — steel or, on lighter loads, engineered timber — carried on padstones or new posts, with the load traced down to foundations that are adequate for it, which on Camden's older housing cannot be assumed and is often checked by trial hole. The detail that matters to the finished kitchen is the depth of the beam and whether it sits as a visible downstand or is raised flush into the floor above: a downstand dropping across the threshold can clip the top of a run of tall units or interrupt a ceiling you wanted continuous. We size and position the opening with the structural engineer and the kitchen layout together, so the beam frames the view to the garden and clears the cabinetry. Where the rear wall is shared, the opening is also a party-wall matter, so notifiable neighbours are identified early rather than discovered when the wall comes down.
In a converted-house or mansion flat the kitchen usually cannot move outward, so the project becomes an in-flat relocation, and two invisible constraints decide whether it is even possible. The first is drainage: waste from the sink, dishwasher and washing machine must run to an existing soil stack at a fall that actually works, and because you cannot lower the floor slab in most flats, the distance the kitchen can travel from that stack is limited before the pipe runs out of gradient or has to be boxed unacceptably high. We map the stack position and the achievable falls before committing to a layout. The second is acoustics: a new kitchen sits over another household's rooms, and hard floors, appliance vibration and impact noise carry readily through a converted floor, so an acoustic floor build-up — resilient layers and, where needed, an independent ceiling below — is normally required to protect the home beneath and to satisfy both the freeholder and building control. Because all of this changes the flat's fabric, a leasehold Licence to Alter from the freeholder is almost always needed, and we prepare the drainage, acoustic and structural information the freeholder's surveyor will want to see.
Thinking about a project in Camden?
Send the address and a short description. We will confirm the likely approval route and the drawings your project needs.
Local planning
Camden is administered by the London Borough of Camden — the same authority that covers Hampstead, Belsize Park and Primrose Hill — and a kitchen extension is assessed against Camden's local plan, the relevant conservation-area appraisal where one applies, and the listing status of the building. Camden has extensive conservation-area coverage, so whether your address sits within one is a decisive question: in a conservation area, external alterations usually need planning permission and a heritage statement is normally required. The correct designation for your exact address should be confirmed before any planning route is assumed.
Some single-storey rear extensions to houses can fall under permitted development, but those rights are frequently restricted, and Article 4 directions can apply in parts of Camden — so external, roof, frontage and boundary works that look permitted may not be. Flats and maisonettes carry no permitted-development rights for extension works at all, which matters because so many Camden kitchens sit in converted houses and mansion blocks. We confirm the permitted-development and Article 4 position for the specific property rather than assuming it, and where rights genuinely survive we recommend fixing them with a Lawful Development Certificate.
Two further threads run alongside planning. Because Camden is densely built, a rear or side-return kitchen extension usually sits on or near a boundary, bringing the Party Wall etc. Act 1996 into play, and where a property is in a conservation area the statutory six weeks' notice applies before qualifying tree works, so a garden tree can shape both design and programme. And where the kitchen is in a leasehold flat, a Licence to Alter from the freeholder is normally needed in addition to any planning consent.
Camden states that each conservation area has its own appraisal and management strategy describing its character and appearance, and officers use that document to assess applications. A rear kitchen extension is usually less publicly visible than a front alteration, but its roof form, materials, glazing and relationship to garden walls and neighbours are still judged against the appraisal for the area — so the design should respond to the specific conservation area covering your address rather than to a general idea of Camden.
Where the building is listed, listed building consent is likely to be required in addition to planning permission, and it can reach internal alterations such as removing a rear wall or moving a kitchen — so the listing entry and its extent should be checked for the exact property before design begins.
For the wider local-authority picture — policies, timescales and application routes — see planning in Camden.
Services
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Send us your Camden address and a short description of the kitchen-diner or kitchen relocation you have in mind. We will confirm the borough, conservation designation and permitted-development position for your exact property, assess the structural, drainage, party-wall and — for flats — leasehold constraints, and set out the design, approvals and drawings your project will need.
