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Timber frame extensions for homes in Alnwick

Planning a timber frame extension in Alnwick? 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 AlnwickFrom £19,000 inc VAT
  • PlanningOften permitted development (3–4 m), or prior approval up to 6–8 m
  • Build time8–14 weeks on site
  • Postcode districtsNE66
Timber frame extension under construction with OSB sheathing and roof joists

Extensions in and around Alnwick

Our survey diary covers Alnwick, including NE66. Neighbouring towns we cover include Morpeth (17 miles), Ashington (19 miles), Bedlington (21 miles), Blyth (23 miles).

Across the North East, houses often have rear yards or modest gardens, so compact, well-lit single-storey extensions make the biggest difference.

Do I need planning permission in Alnwick?

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 regulations approval is separate from planning. In England you can use the council's building control team or a registered building control approver; a full plans application gets the drawings checked before work starts, and the inspector signs the work off with a completion certificate.

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).

Guide prices for Alnwick

For Alnwick we adjust our national guide rates by ×0.91, the factor we use for North East England. Figures include VAT; your written quote after the survey replaces them.

Typical rates in Alnwick: £1,590 to £3,090 per m² including VAT, depending on specification.

SizeEssentialStandardPremium
3 m × 4 m
12 m²
£19,000 – £23,000£22,000 – £29,000£28,000 – £37,500
4 m × 5 m
20 m²
£31,500 – £38,500£37,000 – £48,500£47,000 – £62,000
5 m × 6 m
30 m²
£47,500 – £57,500£55,500 – £72,500£70,500 – £93,000

Try the guide-price tool to see a range for your own size and finish.

What we take care of

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

From first visit to completion

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

  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

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

Questions people ask about timber frame extensions

Do I need building regulations approval in Alnwick?

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

Do you cover all of Alnwick?

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

Will my neighbours in Alnwick 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.

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.

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 £1,590 to £3,090 per m² including VAT.

Book a free site visit in Alnwick

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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