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Timber frame extensions for homes in Colne

A timber frame extension in Colne starts with the right design and the right approval route. We take care of both, then build it with our own project management.

  • Guide price in ColneFrom £19,500 inc VAT
  • PlanningOften permitted development (3–4 m), or prior approval up to 6–8 m
  • Build time8–14 weeks on site
  • Postcode districtsBB8
Timber frame extension under construction with OSB sheathing and roof joists

How much does a timber frame extension cost in Colne?

Prices below are for Colne, using the North West England factor of ×0.95. They are guide ranges including VAT for the build only, not a quote.

Typical rates in Colne: £1,660 to £3,230 per m² including VAT, depending on specification.

SizeEssentialStandardPremium
3 m × 4 m
12 m²
£19,500 – £24,000£23,000 – £30,500£29,500 – £39,000
4 m × 5 m
20 m²
£33,000 – £40,000£38,500 – £50,500£49,000 – £65,000
5 m × 6 m
30 m²
£49,500 – £60,000£58,000 – £76,000£74,000 – £97,000

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

What is included

  • Breathable wall build-up with insulation
  • Fire and acoustic details where needed
  • Frame design and structural calculations
  • Cladding, render or brick slip finish
  • Foundations, often lighter than masonry

Covering Colne

We cover Colne and the postcode districts BB8. Nearby, we also take on projects in Nelson (2 miles), Burnley (5 miles), Accrington (11 miles), Rawtenstall (12 miles).

Just over the North Yorkshire border, Skipton is about 10 miles away. Across the North West, terraced houses with small rear yards suit compact rear and side return extensions, while suburban semis have room for more.

Will the council need to approve it?

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.

Homes in conservation areas, national parks, National Landscapes (formerly AONBs), the Broads and World Heritage Sites have tighter rules, so we always check the property's status and planning history before design starts.

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.

If the work involves a shared wall, building on the boundary, or digging foundations within 3 m (sometimes 6 m) of a neighbour's building, the Party Wall etc. Act 1996 applies and notice must be served before work starts: two months for work to a party wall, one month for new walls on the boundary and for excavations.

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

What happens next

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

    We visit your Colne home, measure up, talk through what you want and check the planning position.

  2. Design and approvals

    We draw the design, agree it with you and handle planning or permitted development checks and building regulations.

  3. Fixed written price

    You receive a written, itemised price and programme. Nothing starts until you are happy with it.

  4. Build and sign-off

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

Timber frame extension questions answered

Do I need building regulations approval in Colne?

Yes. Almost every extension needs it, whatever the planning route. We prepare the drawings and book the inspections.

Do you cover all of Colne?

Yes. We cover Colne and the surrounding parts of Lancashire. Site visits are free and there is no obligation.

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

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 £1,660 to £3,230 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 Colne

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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