Ashton-under-Lyne, Greater Manchester
Bungalow rear extension in Ashton-under-Lyne
Single-storey rear extensions that keep everything on one level. If you live in Ashton-under-Lyne 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.
We cover Ashton-under-Lyne (M34, M43, OL6 and OL7) as part of our Greater Manchester work. For bungalows in Greater Manchester, 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 Ashton-under-Lyne?
A bungalow rear extension in Ashton-under-Lyne is priced at £1,740–£2,820 per square metre including VAT as a guide, before kitchen fit-out and fees. North West prices sit below our West Midlands baseline; access on terraced streets is the main variable.
| Size | Guide price inc VAT |
|---|---|
| 3 m wide × 4 m deep (12 m²) | £21,000–£34,000 |
| 4 m wide × 6 m deep (24 m²) | £41,500–£67,500 |
Ground conditions, glazing, the roof and how far the house is opened up move the final figure within the range.
Do you need planning permission for a bungalow rear extension in Ashton-under-Lyne?
Whether your bungalow rear extension in Ashton-under-Lyne needs a planning application depends on its size, your house and any local restrictions.
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.
England also has the larger home extension route: a single-storey rear extension of up to 6 metres on an attached house or 8 metres on a detached house, after prior approval from the council. The council notifies your neighbours and has 42 days to decide; the fee is £249 (£310 for applications made from 8 December 2026). The route is not available on designated land such as conservation areas.
Conservation areas, National Parks, National Landscapes and the Broads restrict permitted development, and listed buildings always need listed building consent. We check your house's planning history and any conservation area before drawing, so the route is clear before you spend on plans.
What are homes in Ashton-under-Lyne like to extend?
Ashton-under-Lyne has long runs of terraced houses with back yards and alleys, plus 1930s semis further out. Yard extensions on terraces are often single-storey and close to both boundaries.
How a bungalow rear extension in Ashton-under-Lyne comes together
Survey visit
We visit free of charge, measure up, check access, drainage and neighbours' extensions, and note what you want the room to do.
Drawings and budget
Floor plans and elevations for the options, each with a guide price.
Approvals
Permitted development check, prior approval or planning application, then Building Regulations drawings and structural calculations, plus party wall notices where they apply.
Written price, then build
Once the design and approvals are in place, you get a fixed written price and programme, and we build through to sign-off.
Bungalow rear extensions near Ashton-under-Lyne
Close by, we work in Dukinfield, about 1.1 miles away, and Stalybridge, about 1.7 miles away.
- Bungalow rear extension in Dukinfield
- Bungalow rear extension in Stalybridge
- Bungalow rear extension in Droylsden
- Bungalow rear extension in Denton
- Bungalow rear extension in Hollinwood
Other work in Ashton-under-Lyne:
FAQ
Bungalow rear extension questions in Ashton-under-Lyne
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.
Can you match the brick or stone on my Ashton-under-Lyne house?
We source the closest match and show you samples before ordering; reclaimed materials are often the best match on older houses.
How deep can I extend?
The same limits as a house: 3 or 4 metres in England, more with prior approval.
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 get a price without a visit?
Our online guide-price tool gives a range in a couple of minutes. A written price needs a survey.
Do I need planning permission for a rear extension in Ashton-under-Lyne?
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.