Rear extension design, approvals and build across the UKCall 0800 088 6341 · Online guide price
Rear Extensionsrear-extensions.co.uk 0800 088 6341 Get a guide price

Mansfield, Nottinghamshire

Bungalow rear extension in Mansfield

Single-storey rear extensions that keep everything on one level. If you live in Mansfield and want to know what a bungalow rear extension would cost and whether it needs planning, start with the online guide price or a free site visit.

Mansfield and its postcode districts NG18 and NG19 are part of our Nottinghamshire coverage. For bungalows in Nottinghamshire, a rear extension is the usual way to add space without adding stairs.

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 bungalow rear extension cost in Mansfield?

A bungalow rear extension in Mansfield is priced at £1,790–£2,910 per square metre including VAT as a guide, before kitchen fit-out and fees. East Midlands prices sit a little below our West Midlands baseline.

Bungalow rear extension prices in Mansfield
SizeGuide price inc VAT
3 m wide × 4 m deep (12 m²)£21,500–£35,000
4 m wide × 6 m deep (24 m²)£43,000–£70,000

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 bungalow rear extension in Mansfield?

The planning route for a bungalow rear extension in Mansfield is set by England's householder rules and your council.

Under England's householder permitted development rules you can usually add 3 metres at the back of an attached house, or 4 metres on a detached house, without a planning application, as long as the extension stays under 4 metres high and its eaves stay under 3 metres where it is within 2 metres of a boundary.

If 3 or 4 metres is not enough, England's prior approval route allows 6 metres on a terraced or semi-detached house and 8 metres on a detached house for a single-storey rear extension. Neighbours are consulted, the council decides within 42 days, and the fee is £249, rising to £310 from 8 December 2026.

Conservation areas, National Parks, National Landscapes and the Broads restrict permitted development, and listed buildings always need listed building consent. At the first visit we measure what is there now and tell you which route fits: permitted development, prior approval or a planning application.

What are homes in Mansfield like to extend?

Red-brick terraces and semis are typical of Mansfield. Coal-mining legacy areas in parts of the East Midlands can need a Coal Authority check before foundations are designed.

How a bungalow rear extension in Mansfield 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.

Bungalow rear extensions near Mansfield

From Mansfield, the nearest places we also cover are Mansfield Woodhouse (2.2 miles) and Sutton in Ashfield (2.6 miles).

Other work in Mansfield:

All rear extensions in Mansfield

FAQ

Bungalow rear extension questions in Mansfield

Will I need a structural engineer?

Yes for the beam over the new opening and usually the foundations; we arrange them and their calculations go to building control.

Can I live at home while the extension is built?

Usually yes. Most of the work is outside until the back wall is opened near the end, and that stage is screened off.

Will the roof look odd?

Not if the pitch and tiles match. Where the eaves are low, a flat-roofed section with a lantern is an alternative.

Do I need planning permission for a rear extension in Mansfield?

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.

What postcode areas do you cover around Mansfield?

Including NG18 and NG19, and the surrounding Nottinghamshire area.

How much does a bungalow rear extension cost in Mansfield?

As a guide, £1,790–£2,910 per square metre including VAT for a standard specification. For example, 3 m wide × 4 m deep (12 m²): about £21,500–£35,000 at that rate. Your written price follows the survey.

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.

CallGuide price