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Timber frame extensions for homes in Greenford

If you live in Greenford and want more space without moving, a timber frame extension is one of the most practical ways to get it. We handle the drawings, approvals and the build.

  • Guide price in GreenfordFrom £27,000 inc VAT
  • PlanningOften permitted development (3–4 m), or prior approval up to 6–8 m
  • Build time8–14 weeks on site
  • Postcode districtsUB1, UB4, UB5, UB6, W7
Timber frame extension under construction with OSB sheathing and roof joists

Is a timber frame extension right for your house?

  • Sites where weight or speed matters
  • Contemporary designs with timber or board cladding
  • Homeowners who want strong energy performance

Do I need planning permission in Greenford?

In England a single-storey rear extension can usually go up to 3 m beyond the original rear wall of a semi-detached or terraced house, or 4 m on a detached house, without a planning application, provided it is no more than 4 m high, keeps eaves to 3 m within 2 m of a boundary and, with other buildings, covers no more than half the land around the original house. The larger home extension prior approval scheme raises those depths to 6 m and 8 m, with neighbours notified and a 42-day decision.

In a conservation area, national park, National Landscape, the Broads or a World Heritage Site the permitted development limits are tighter (no side or two-storey extensions without an application). Listed homes need listed building consent, and if permitted development rights have been removed, any extension needs an application.

Building over or within 3 m of a public sewer needs the water company's consent, usually through a build-over agreement, before the foundations go in.

Applications are decided by the local planning authority (your district, borough or unitary council).

Guide prices for Greenford

These guide figures apply our London adjustment (×1.3) to national rates. They include VAT at 20% and cover the build itself; design and council fees are listed separately.

Typical rates in Greenford: £2,280 to £4,420 per m² including VAT, depending on specification.

SizeEssentialStandardPremium
3 m × 4 m
12 m²
£27,000 – £33,000£31,500 – £41,500£40,500 – £53,500
4 m × 5 m
20 m²
£45,500 – £55,000£53,000 – £69,000£67,500 – £88,500
5 m × 6 m
30 m²
£68,000 – £82,000£79,500 – £103,500£101,000 – £133,000

For a figure based on your own dimensions, use our guide-price tool.

Extensions in and around Greenford

Site visits are available across Greenford (UB1, UB4, UB5, UB6, W7, W13). Nearby, we also take on projects in Northolt (1 mile), Southall (2 miles), South Ruislip (3 miles), Wembley (3 miles).

In London, space is at a premium and gardens are often short, so side returns, wraparounds and carefully planned rear extensions tend to make the most of every metre.

How the project works

Site visits are free and there is no obligation. Where drawings are needed, the design stage is priced in writing before it starts.

  1. Free site visit

    First, a site visit: we look at the house, garden, access and drains and listen to what you need.

  2. Design and approvals

    Once the layout is agreed, we deal with the council: planning permission or written confirmation that none is needed, plus building control.

  3. Fixed written price

    With the design and specification agreed, you get a fixed written price and a start date.

  4. Build and sign-off

    Work is carried out to the agreed programme, inspected by building control and signed off at the end.

Your questions about a timber frame extension in Greenford

Who do I contract with for a timber frame extension in Greenford?

Your contract is with S&K Property Investments and Improvement Ltd, which designs and manages the project and the build teams who carry it out.

Do you cover all of Greenford?

Yes. We cover Greenford and the surrounding parts of Greater London. Site visits are free and there is no obligation.

How long does a timber frame extension take to build in Greenford?

On site, typically 8 to 14 weeks once approvals are in place. Before that, allow 4–12 weeks design and approvals.

Is timber frame cheaper than brick?

It is similar overall. The frame can save time on site, but the cladding choice has a big effect on cost. Our guide range is about £2,280 to £4,420 per m² including VAT.

Does a timber frame extension need planning permission?

The same planning rules apply as for any extension. If the cladding looks different from the house, permitted development’s matching-materials condition may mean an application is needed.

Book a free site visit in Greenford

We will measure up, check the planning position and give you honest guide figures.

  • Free, no-obligation site visit
  • Planning route checked before you spend on drawings
  • Written price once the design is agreed
  • Building control sign-off at the end

Prefer to talk? Call 0800 088 6341 or .

Book a free site visit

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