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Leighton Buzzard, Bedfordshire

Side return extension in Leighton Buzzard

Infilling the narrow passage beside a Victorian or Edwardian back addition. If you live in Leighton Buzzard and want to know what a side return extension would cost and whether it needs planning, start with the online guide price or a free site visit.

Leighton Buzzard and its postcode districts LU7 are part of our Bedfordshire coverage. Side returns suit the Victorian and Edwardian terraces found across parts of Bedfordshire, where the kitchen sits in a narrow back addition.

Book a free site visit

Tell us about the house and we'll call to arrange a free, no-obligation visit.

How much does a side return extension cost in Leighton Buzzard?

For Leighton Buzzard we work from the East of England rate: £2,440–£4,030 per square metre of new floor, including VAT, standard specification. East of England prices run slightly above our West Midlands baseline; clay soils near trees are the main foundation variable.

Side return extension prices in Leighton Buzzard
SizeGuide price inc VAT
2 m wide × 6 m deep (12 m²)£29,500–£48,500
2.5 m wide × 7 m deep (17.5 m²)£42,500–£70,500

We put a fixed price in writing once the design is agreed, and explain any provisional sums such as foundations.

Do you need planning permission for a side return extension in Leighton Buzzard?

Whether your side return extension in Leighton Buzzard needs a planning application depends on its size, your house and any local restrictions.

In England the side part of a side return or wraparound must meet the side-extension rules (one storey, under 4 metres high, no more than half the width of the original house), and those rights do not apply on designated land. Because a wraparound combines a side and a rear extension, many need householder planning permission.

Because rear extensions often sit on or near the boundary, the Party Wall etc. Act 1996 usually applies in England. Notices go out one or two months before work depending on the type of work, and a surveyor's award is only needed if a neighbour does not consent.

Conservation areas, National Parks, National Landscapes and the Broads restrict permitted development, and listed buildings always need listed building consent. Before any drawing we look up the property's history with the council, because earlier extensions and removed rights change the answer.

What are homes in Leighton Buzzard like to extend?

Post-war semis and newer estates are typical of Leighton Buzzard, and many have room for a full-width extension. Shrinkable clay is common in the East of England, so foundations near trees and hedges are designed to NHBC-style depth guidance.

How a side return extension in Leighton Buzzard comes together

  1. Free site visit

    We measure the house and garden, look at the back wall, drainage and boundaries, and talk through what you want from the space.

  2. Design and guide price

    Two or three layout options with a guide price for each, so you choose the design knowing what it costs.

  3. Paperwork handled

    Planning, prior approval or permitted development, Building Regulations approval, structural design and party wall notices are all handled by us.

  4. Fixed price and build

    A written price for the agreed design, a start date and a named contact through the build, ending with the building control completion certificate.

Side return extensions near Leighton Buzzard

Close by, we work in Dunstable, about 6.2 miles away, and Bletchley, about 6.2 miles away.

Other work in Leighton Buzzard:

All rear extensions in Leighton Buzzard

FAQ

Side return extension questions in Leighton Buzzard

Do you handle building control in Leighton Buzzard?

Yes. We apply to the council or a registered building control approver and hand over the completion certificate.

How long does a rear extension take to build in Leighton Buzzard?

Most single-storey rear extensions take 10 to 16 weeks on site and two-storey extensions 16 to 26 weeks, after design and approvals.

Glass roof or solid roof with rooflights?

A glass roof gives the most light; a solid roof with long rooflights is warmer and quieter in rain. Both work.

Do I need planning permission for a rear extension in Leighton Buzzard?

Often not for a single-storey rear extension of up to 3 metres (4 metres on a detached house) under permitted development, or up to 6 or 8 metres with prior approval, unless the house is in a conservation area or its rights have been removed.

Do I need a party wall agreement?

In England, usually yes if the extension is on or near a shared boundary or the foundations are close to a neighbour's building. We serve the notices.

Is the site visit in Leighton Buzzard free?

Yes. We visit, measure up and talk through the options with no cost and no obligation.

Next step

See what your rear extension would cost

Get a guide price online in a couple of minutes, or book a free site visit and we'll measure up and talk you through the planning route.

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