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Timber frame extensions in Lincolnshire

Our design and build teams take on timber frame extensions in Lincolnshire, from the first measured survey through planning and building control to the finished room.

  • Guide priceFrom £19,500 inc VAT
  • PlanningOften permitted development (3–4 m), or prior approval up to 6–8 m
  • Towns covered10
  • Site visitFree, no obligation
Timber frame extension under construction with OSB sheathing and roof joists

Covering Lincolnshire

Towns we cover in Lincolnshire include Lincoln, Grimsby, Scunthorpe, Boston, Grantham, Cleethorpes, Spalding, Skegness. The East Midlands has plenty of inter-war and post-war semis and detached houses with room to extend, alongside Victorian terraces in the towns.

What should I budget for a timber frame extension in Lincolnshire?

For Lincolnshire we adjust our national guide rates by ×0.95, the factor we use for East Midlands. Figures include VAT; your written quote after the survey replaces them.

Typical rates in Lincolnshire: £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

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

Do I need planning permission in Lincolnshire?

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.

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).

Included in a typical project

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

Our process, step by step

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

    It starts with a visit to your house to measure, check access and talk through ideas and budget.

  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

    The price is fixed in writing once the design is settled, with a clear programme and payment stages.

  4. Build and sign-off

    The build is managed from start to finish, inspected at each stage and signed off on completion.

Timber frame extension questions answered

Do you cover all of Lincolnshire?

Yes, across the whole of Lincolnshire. Site visits are free and there is no obligation.

Will my neighbours in Lincolnshire 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.

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

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

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 £1,660 to £3,230 per m² including VAT.

Book a free site visit in Lincolnshire

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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