Kitchen Extensions Pimlico
Rear, side return and wraparound kitchen extensions in Pimlico, the room, the services and the kitchen built as one job.
- Rated 4.9 from 31 reviews on MyBuilder
- London guide: £45,000 to £97,500
- Free site survey, itemised quote
In Pimlico a kitchen extension is a rare job, and the stock explains why. Of the homes here, 94% are flats and 6% are houses, and the houses are terraced: the VOA puts semi-detached and detached at 0%. So the realistic projects are a small addition behind a stucco terrace house, a garden flat on the lower ground floor reaching into its yard, or a kitchen that gains room from inside. Each route starts with the planning position, because Westminster's 56 conservation areas cover over 76% of the City, and the Pimlico Conservation Area is one of them.
In Pimlico, a rear kitchen extension of about 30 square metres typically costs £45,000 to £97,500 excluding VAT, or £60,000 to £100,000 for a side return (indicative London ranges, Resi, MyBuilder and Checkatrade, 2026). GS Renovation Ltd, a building contractor based in Potters Bar, does the work in Pimlico: the structural engineer we appoint designs the foundations and steel, we build the room and fit the kitchen, and a registered electrician certifies the electrics.
Price guide
| Work | Indicative London range |
|---|---|
| Rear kitchen extension, about 30 square metres, ex VAT | £45,000 to £97,500 |
| Side return kitchen extension, standard to high specification | £60,000 to £100,000 |
| Wraparound kitchen extension, standard to high specification | £80,000 to £130,000 |
| Side return build rate, per square metre of new floor | £2,400 to £3,200 |
| Kitchen supplied and fitted within the extension | £5,000 to £14,000 |
| Structural engineer's fee | £950 to £2,500 |
Indicative London ranges (Resi, MyBuilder and Checkatrade, 2026), not a quotation. Prices checked September 2026. Full breakdown: Extension Cost and Planning Guide.
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What a Pimlico terrace house can add at the back
The shape to test first on a Pimlico terrace house is a part-width addition at lower ground or ground level, kept clearly smaller than the house. Westminster's guidance on development in conservation areas says extensions should respect the scale and proportions of the existing building and must be architecturally subordinate to the main building. On a narrow stucco terrace that points to a room tucked against one party wall, leaving a slice of yard for light. Building on or next to that wall brings in the Party Wall Act, and you as building owner serve the notices.
Westminster's guidance also says full width rear extensions are generally not acceptable, except in certain circumstances at basement level. For a kitchen that matters, because in these houses the kitchen can already sit on the lower ground floor. Your designer tests whether a basement level infill fits that exception before anything is drawn in detail. We then price the version the drawings settle on, with the steel, the drainage and the new kitchen in one programme rather than three separate trades arriving in turn.
Housing in Pimlico
The stock in Pimlico runs to roughly 10,180 dwellings, 94% of them flats and 6% houses, built 55% before 1919, 10% between 1919 and 1939 and 34% after 1945. Most homes here are flats, and only a ground floor flat in Pimlico with its own garden can extend its kitchen.
Why a Pimlico flat has no permitted development route
Householder permitted development rules for extensions apply to houses only and not to flats and maisonettes, so any extension to a Pimlico flat needs planning permission. With 94% of homes here being flats, that is the normal position rather than an edge case. A lower ground floor flat with its own yard is the one layout where building out is physically possible. The yard must be part of what you lease, and you normally need the freeholder's written consent before a spade goes in.
Where the lease or the planning position rules an extension out, the kitchen grows sideways instead. Joining a small galley kitchen to the front reception room through a new opening is one alternative in a converted townhouse. That is structural: the structural engineer we appoint checks what the wall carries from the floors above, the freeholder's surveyor normally reviews the calculations, and the managing agent sets access. We then build the opening and fit the kitchen in the same sequence.
The planning papers behind a Pimlico kitchen extension
Your designer reads the conservation area position before drawing a Pimlico kitchen extension. The Pimlico Conservation Area was first designated in 1968 and its audit was adopted on 10 April 2006, and the Pimlico Neighbourhood Plan, adopted on 7 December 2022, forms part of Westminster's Development Plan. On designated land such as a conservation area, all side extensions need householder planning permission, so a side infill is never a permitted development shortcut. A single-storey rear addition can still be permitted development on a house there, within three metres of the original rear wall and four metres high, but the six metre prior approval route is not available on designated land. Westminster has also removed permitted development rights in eight conservation areas, so check whether your street is in one.
Lowering the floor to gain height under a new glazed roof can count as basement development, so raise it with the council early. Westminster's city-wide Basement Development Article 4 Direction came into force on 31 July 2016 and removes permitted development rights for basement development throughout the city, so that dig needs its own consent. We programme the steel order and the kitchen lead time from the decision date, so nothing arrives on site before the drawings are approved.
Steel, drains and roof lights in a stucco terrace
The build starts at the back wall, where the opening into the new room is formed. The structural engineer we appoint sizes the beam and its bearings, and we prop the floors above before the brickwork comes out. On a Pimlico terrace the rear wall normally carries the full height of the house, so the propping plan and the steel delivery route through a narrow hallway are settled before the first day on site.
Drainage is traced next, because a sink or dishwasher moved into the extension needs a fall to the existing run under the yard, and building over a shared sewer needs the water company's agreement. Roof lights and rear glazing are measured once the steel is in, and Part L limits how much glazing an extension can take unless your designer shows compensating performance. An extension changes the layout, so it goes to Westminster building control as a full plans application, and the council must be told the start date at least 2 days before work begins.
- Steel beams and goalpost frames into the existing house
- Foundations, drainage and slab with the kitchen services cast in
- New kitchen circuits, with Part P certification from a registered electrician
VOA Council Tax stock of properties, March 2025, for Pimlico North and Pimlico South. Counts rounded by the VOA.
Why Choose GS Renovation in Pimlico
We run the whole kitchen extension, from the propping and steel to the last cabinet door, so one team answers for the sequence. The structural engineer we appoint works from your designer's drawings, and a registered electrician and a gas engineer on the Gas Safe Register handle the certified work. You get one programme that shows when the back wall opens, when the room is weathertight and when the kitchen is fitted. Our founder plans each stage from decades of hands-on building work.
- Kitchen layout agreed before the foundations, so the services land in the right place
- Boiler flue, soil pipe and gully moved off the rear wall in the right order
- Itemised pricing, so you can see what every stage costs
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FAQ
Frequently Asked Questions about Kitchen Extensions Pimlico
Does the cost of kitchen extensions rise in a stucco-fronted period Pimlico property?
Age affects the cost of kitchen extensions in Pimlico less than people fear; the structural part is broadly similar, within £45,000 to £97,500 excluding VAT for a rear kitchen extension of about 30 square metres (indicative). What differs in stucco-fronted period housing is making good cornice, floors and plaster around the SW1 works, priced as separate lines. The sequence also holds: the boiler flue, soil pipe and gully on the rear wall are moved before the new walls enclose them.
Can a Pimlico flat have a kitchen extension without planning permission?
No. Householder permitted development rules for extensions apply to houses only and not to flats and maisonettes, so a Pimlico flat needs planning permission for any extension. You will normally also need the freeholder's written consent under your lease. Your designer or agent prepares the application, and we build to the approved drawings and the consent conditions.
Will Westminster accept a full width rear kitchen extension on a Pimlico terrace?
Rarely. Westminster's conservation area guidance says full width rear extensions are generally not acceptable, except in certain circumstances at basement level. A part-width room against one party wall is the shape to test first. Your designer checks whether the lower ground floor falls within that exception before detailed drawings are prepared.
Is Pimlico in a conservation area for kitchen extension purposes?
For many streets, yes. The Pimlico Conservation Area was first designated in 1968 and extended in 1973, 1990 and 2006, so check the council's map for your address. In a Westminster conservation area you need planning permission for some alterations or extensions that would not need permission elsewhere. Plan on a householder application unless your designer confirms the extension is permitted development.
Does the Pimlico Neighbourhood Plan affect a kitchen extension design?
Yes, your designer should read it. The Pimlico Neighbourhood Plan was adopted on 7 December 2022 and forms part of Westminster's Development Plan, alongside the City Plan. Planning decisions in Pimlico are made against both documents, so the drawings for your kitchen extension need to sit comfortably with each.
Can a Pimlico lower ground floor be dug down for a taller kitchen?
Only with planning permission. Westminster's city-wide Basement Development Article 4 Direction came into force on 31 July 2016 and removes permitted development rights for basement development throughout the city. Digging down can count, so your designer raises it with the council. The City Plan asks for a structural methodology statement and self-certification from a suitably qualified engineer, which the structural engineer we appoint provides, and we build to that sequence.
How much notice does Westminster building control need before a Pimlico kitchen extension starts?
At least 2 days. Westminster building control must be told the start date of works on the application form or by email at least 2 days before starting. We fix the start date once the approved drawings, the steel delivery and the propping plan are in place, and send that notice as part of the setup.
Can the new kitchen be fitted by the same team that builds the extension?
Yes. We run the kitchen fit-out as the last stage of the same programme, so the cabinet layout is fixed before the drainage, electrics and plaster are set out. That avoids cutting into new walls later. A registered electrician certifies the wiring and a gas engineer on the Gas Safe Register connects any gas hob.
What if a Pimlico house is too tight for any extension at the back?
The kitchen can still grow from inside. Taking out a wall between the kitchen and a dining room, or moving the kitchen to a brighter room, gives space without adding floor area. The structural engineer we appoint checks what any wall carries, and we build the opening, the steel and the new kitchen as one job.
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