Broadfield, West Sussex
Bungalow rear extension in Broadfield
Single-storey rear extensions that keep everything on one level. If you live in Broadfield 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.
Broadfield sits in West Sussex, with postcode districts including RH10 and RH11. For bungalows in West Sussex, 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 Broadfield?
For Broadfield we work from the South East England rate: £2,070–£3,360 per square metre of new floor, including VAT, standard specification. South East prices run above our West Midlands baseline, mainly on labour rates and clay-soil foundations.
| Size | Guide price inc VAT |
|---|---|
| 3 m wide × 4 m deep (12 m²) | £25,000–£40,500 |
| 4 m wide × 6 m deep (24 m²) | £49,500–£80,500 |
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 bungalow rear extension in Broadfield?
Whether your bungalow rear extension in Broadfield 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.
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. 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 Broadfield like to extend?
Around Broadfield the housing ranges from inter-war semis to 1960s and 1970s estates with good-sized gardens. Many of the newer estates had permitted development rights removed by condition, so we check the planning history before anything is drawn.
How a bungalow rear extension in Broadfield 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.
Design and guide price
Two or three layout options with a guide price for each, so you choose the design knowing what it costs.
Paperwork handled
Planning, prior approval or permitted development, Building Regulations approval, structural design and party wall notices are all handled by us.
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 Broadfield
Close by, we work in Crawley, about 1.5 miles away, and Horley, about 5.7 miles away.
- Bungalow rear extension in Crawley
- Bungalow rear extension in Horley
- Bungalow rear extension in Horsham
- Bungalow rear extension in East Grinstead
- Bungalow rear extension in Reigate
Other work in Broadfield:
FAQ
Bungalow rear extension questions in Broadfield
Is the site visit in Broadfield free?
Yes. We visit, measure up and talk through the options with no cost and no obligation.
Can you match the brick or stone on my Broadfield house?
We source the closest match and show you samples before ordering; reclaimed materials are often the best match on older houses.
Can a bungalow extension be fully accessible?
Yes: level thresholds, wider doors and a wet room are straightforward to design in.
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.
Do you handle building control in Broadfield?
Yes. We apply to the council or a registered building control approver and hand over the completion certificate.
What postcode areas do you cover around Broadfield?
Including RH10 and RH11, and the surrounding West Sussex area.