Mangotsfield, Bristol and South Gloucestershire
Bungalow rear extension in Mangotsfield
Thinking about a bungalow rear extension in Mangotsfield? Single-storey rear extensions that keep everything on one level. Our team handles the drawings, the planning route and the build, and your contract is with one company throughout.
We cover Mangotsfield (BS15, BS16 and BS36) as part of our Bristol and South Gloucestershire work. For bungalows in Bristol and South Gloucestershire, 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 Mangotsfield?
In Mangotsfield, our guide for a bungalow rear extension is £1,920–£3,120 per square metre including VAT for a standard specification. South West prices run slightly above our West Midlands baseline; natural stone to match the house is the main variable.
| Size | Guide price inc VAT |
|---|---|
| 3 m wide × 4 m deep (12 m²) | £23,000–£37,500 |
| 4 m wide × 6 m deep (24 m²) | £46,000–£75,000 |
Your written price follows a measured survey and an agreed design, so it reflects your house, not an average.
Do you need planning permission for a bungalow rear extension in Mangotsfield?
Planning for a bungalow rear extension in Mangotsfield follows the English householder rules.
English permitted development (Class A) allows a single-storey rear extension of 3 metres on a terraced or semi-detached house and 4 metres on a detached one, measured from the original house, with a maximum height of 4 metres and eaves of no more than 3 metres 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. 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 Mangotsfield like to extend?
Stone-built and rendered houses are common around Mangotsfield, so matching the walling is a design decision in its own right: natural stone, reconstituted stone or a render finish across old and new.
How a bungalow rear extension in Mangotsfield comes together
Look round and measure
A free visit to see the back of the house, measure it, check the drains and boundaries and hear what you need.
Drawings and budget
Floor plans and elevations for the options, each with a guide price.
Planning and regulations
We take the design through the right planning route, then produce the construction drawings and engineer's calculations for building control.
Build and sign-off
We build to the approved drawings with regular updates, then hand over the building control completion certificate and any guarantees from suppliers.
Bungalow rear extensions near Mangotsfield
Neighbouring places we cover include Kingswood (2.4 miles) and Stoke Gifford (2.5 miles).
- Bungalow rear extension in Kingswood
- Bungalow rear extension in Stoke Gifford
- Bungalow rear extension in Bristol
- Bungalow rear extension in Keynsham
- Bungalow rear extension in Yate
Other work in Mangotsfield:
FAQ
Bungalow rear extension questions in Mangotsfield
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.
What postcode areas do you cover around Mangotsfield?
Including BS15, BS16 and BS36, and the surrounding Bristol and South Gloucestershire area.
Can I extend the loft as well?
Sometimes, but that is a different project; a rear extension keeps everything on one level.
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 Mangotsfield house?
We source the closest match and show you samples before ordering; reclaimed materials are often the best match on older houses.
Is the site visit in Mangotsfield free?
Yes. We visit, measure up and talk through the options with no cost and no obligation.