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Timber frame extensions for homes in Daventry

Planning a timber frame extension in Daventry? We survey the house, work out the planning route, draw the design and build it, so you deal with one team from the first visit to the completion certificate.

  • Guide price in DaventryFrom £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 districtsNN11
Timber frame extension under construction with OSB sheathing and roof joists

Guide prices for Daventry

These guide figures apply our East Midlands adjustment (×0.95) to national rates. They include VAT at 20% and cover the build itself; design and council fees are listed separately.

Typical rates in Daventry: £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

Want a range for your exact size? The guide-price tool takes about a minute.

Local to Daventry

We cover Daventry and the postcode districts NN11. Neighbouring towns we cover include Towcester (11 miles), Northampton (12 miles), Brackley (16 miles), Market Harborough (18 miles).

Rugby, in Warwickshire, is roughly 9 miles from Daventry and also on our list. Homes across the East Midlands often have usable side land or a driveway beside the house, which opens up side and wraparound options.

Is a timber frame extension right for your house?

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

Planning and approvals in Daventry

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

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

  2. Design and approvals

    We produce the drawings and structural design, and manage the approvals so they are in place before work starts.

  3. Fixed written price

    We confirm the build price in writing, based on the approved drawings and the finishes you have chosen.

  4. Build and sign-off

    We build it with one project manager, book the building control inspections and hand over the completion certificate.

Questions people ask about timber frame extensions

Will my neighbours in Daventry be involved?

If a planning application or prior approval is needed, the council notifies neighbours. If the work is on or near a shared boundary, party wall notices may also be needed.

Do you cover all of Daventry?

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

Do I need building regulations approval in Daventry?

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

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 Daventry

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 .

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