Rayleigh, Essex
Bungalow rear extension in Rayleigh
Bungalow rear extension in Rayleigh: single-storey rear extensions that keep everything on one level. We measure the house, show you what the rules allow, price it in writing and build it.
Rayleigh and its postcode districts SS6 are part of our Essex coverage. For bungalows in Essex, 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 Rayleigh?
In Rayleigh, our guide for a bungalow rear extension is £1,960–£3,180 per square metre including VAT for a standard specification. East of England prices run slightly above our West Midlands baseline; clay soils near trees are the main foundation variable.
| Size | Guide price inc VAT |
|---|---|
| 3 m wide × 4 m deep (12 m²) | £23,500–£38,000 |
| 4 m wide × 6 m deep (24 m²) | £47,000–£76,500 |
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 Rayleigh?
Here is how the rules in England apply to a bungalow rear extension in Rayleigh.
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 Rayleigh like to extend?
Post-war semis and newer estates are typical of Rayleigh, 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 bungalow rear extension in Rayleigh 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.
Paperwork handled
Planning, prior approval or permitted development, Building Regulations approval, structural design and party wall notices are all handled by us.
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 Rayleigh
Close by, we work in Hadleigh, about 2.3 miles away, and South Benfleet, about 3.0 miles away.
- Bungalow rear extension in Hadleigh
- Bungalow rear extension in South Benfleet
- Bungalow rear extension in Wickford
- Bungalow rear extension in Pitsea
- Bungalow rear extension in Rochford
Other work in Rayleigh:
FAQ
Bungalow rear extension questions in Rayleigh
Do I need planning permission for a rear extension in Rayleigh?
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.
How much does a bungalow rear extension cost in Rayleigh?
As a guide, £1,960–£3,180 per square metre including VAT for a standard specification. For example, 3 m wide × 4 m deep (12 m²): about £23,500–£38,000 at that rate. Your written price follows the survey.
How deep can I extend?
The same limits as a house: 3 or 4 metres in England, more with prior approval.
Can you match the brick or stone on my Rayleigh house?
We source the closest match and show you samples before ordering; reclaimed materials are often the best match on older houses.
How long does a rear extension take to build in Rayleigh?
Most single-storey rear extensions take 10 to 16 weeks on site and two-storey extensions 16 to 26 weeks, after design and approvals.
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.