house-extension.uk

Wantage wraparound extensions, designed and built

Thinking about a wraparound extension for your Wantage home? Start with a free site visit: we measure up, check what the council will allow and give you honest guide figures on the day.

  • Guide price in WantageFrom £40,000 inc VAT
  • PlanningUsually a householder application
  • Build time14–20 weeks on site
  • Postcode districtsOX12
L-shaped wraparound extension on a brick terraced house at dusk

Extensions in and around Wantage

We cover Wantage and the postcode districts OX12. We also work in nearby Didcot (8 miles), Abingdon (8 miles), Oxford (13 miles), Witney (13 miles).

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

Is a wraparound extension right for your house?

  • Families who want kitchen, dining and living in one space
  • Terraced houses that want the largest ground floor possible
  • Semi-detached houses with a side passage

The corner is where wraparounds succeed or fail. We usually use a single steel goalpost or a corner post hidden in a pier, and set the glazing so the new room reads as one space rather than two boxes.

Will the council need to approve it?

In England a wraparound extension is assessed as both a side and a rear extension, and the combination usually falls outside permitted development, so most need a householder planning application (£548 from 1 April 2026).

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.

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).

Guide prices for Wantage

These guide figures apply our South East England adjustment (×1.12) to national rates. They include VAT at 20% and cover the build itself; design and council fees are listed separately.

Typical rates in Wantage: £2,240 to £4,140 per m² including VAT, depending on specification.

SizeEssentialStandardPremium
Compact L-shape
18 m²
£40,000 – £48,500£46,000 – £58,500£58,000 – £75,000
Medium L-shape
25 m²
£56,000 – £67,500£64,000 – £81,500£81,000 – £104,000
Large L-shape
32 m²
£71,500 – £86,500£82,000 – £104,000£103,500 – £133,000

For a figure based on your own dimensions, use our guide-price tool.

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

  3. Fixed written price

    You receive a written, itemised price and programme. Nothing starts until you are happy with it.

  4. Build and sign-off

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

Common questions in Wantage

Do I need building regulations approval in Wantage?

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 Wantage, and the guide-price tool gives a range for your own size. After the survey you get a written price before anything is agreed.

Do you cover all of Wantage?

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

Will I need to move a drain?

Often. Side returns frequently contain a manhole or a shared drain. Building near or over a public sewer needs the water company’s consent in England and Wales, which we arrange.

Is a wraparound better than a side return alone?

It adds far more space, but costs more and needs planning permission more often. Our comparison guide sets the two side by side.

Book a free site visit in Wantage

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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