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Timber frame extensions in Totton

We design and build timber frame extensions for houses in Totton, with a written price once the survey and design are done and one point of contact throughout.

  • Guide price in TottonFrom £23,500 inc VAT
  • PlanningOften permitted development (3–4 m), or prior approval up to 6–8 m
  • Build time8–14 weeks on site
  • Postcode districtsSO40
Timber frame extension under construction with OSB sheathing and roof joists

Planning and approvals in Totton

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.

The planning position for a specific Totton address depends on its history and any designations, which is why we check it at the first visit.

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.

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).

How much does a timber frame extension cost in Totton?

Prices below are for Totton, using the South East England factor of ×1.12. They are guide ranges including VAT for the build only, not a quote.

Typical rates in Totton: £1,960 to £3,810 per m² including VAT, depending on specification.

SizeEssentialStandardPremium
3 m × 4 m
12 m²
£23,500 – £28,500£27,500 – £36,000£34,500 – £46,000
4 m × 5 m
20 m²
£39,000 – £47,500£45,500 – £59,500£58,000 – £76,500
5 m × 6 m
30 m²
£58,500 – £71,000£68,500 – £89,500£87,000 – £114,500

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

Extensions in and around Totton

Across SO40, we can visit, measure and advise. The same team covers Southampton (4 miles), Hythe (6 miles), Eastleigh (7 miles), Winchester (13 miles), all within easy reach.

In the South East, plenty of houses have already been extended once, which makes checking the remaining permitted development allowance an important early step.

When a timber frame extension makes sense

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

Moisture is the enemy of any timber building. We design ventilated cladding cavities, breather membranes and a proper damp-proof course height, and keep the frame dry during construction.

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

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

  4. Build and sign-off

    Our team builds the extension, keeps you updated weekly and finishes with building control sign-off.

Common questions in Totton

Do I need building regulations approval in Totton?

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

Can I see a price before committing to anything?

Yes. The guide prices on this page are adjusted for Totton, and the guide-price tool gives a range for your own size. After the survey you get a written price before anything is agreed.

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

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.

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 £1,960 to £3,810 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 Totton

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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