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Timber frame extensions in Andover

Planning a timber frame extension in Andover? 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 AndoverFrom £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 districtsSP10, SP11
Timber frame extension under construction with OSB sheathing and roof joists

What we take care of

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

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.

Working in Andover

Across SP10, SP11, we can visit, measure and advise. We also work in nearby Winchester (13 miles), Basingstoke (18 miles), Eastleigh (18 miles), Totton (20 miles).

The South East has a broad mix of 1930s semis, post-war estates, newer developments and period cottages, and many houses have enough garden for a generous rear extension.

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

Labour and material costs vary across the UK, so for Andover we use our South East England factor (×1.12). The ranges include VAT and exclude design, structural and council fees.

Typical rates in Andover: £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.

Do I need planning permission in Andover?

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 Andover address depends on its history and any designations, which is why we check it at the first visit.

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.

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).

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

    A designer visits, takes measurements and photos, and discusses layouts, budget and timing with you.

  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.

Timber frame extension questions answered

Do I need building regulations approval in Andover?

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

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

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.

Will my neighbours in Andover 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.

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 Andover

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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