Clacton-on-Sea, Essex
Bungalow rear extension in Clacton-on-Sea
Single-storey rear extensions that keep everything on one level. If you live in Clacton-on-Sea 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 Clacton-on-Sea (CO15) as part of our Essex work. 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 Clacton-on-Sea?
In Clacton-on-Sea, 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 |
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 Clacton-on-Sea?
The planning route for a bungalow rear extension in Clacton-on-Sea 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. 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 Clacton-on-Sea like to extend?
Post-war semis and newer estates are typical of Clacton-on-Sea, 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 Clacton-on-Sea 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.
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.
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 Clacton-on-Sea
Neighbouring places we cover include Frinton-on-Sea (4.7 miles) and Walton-on-the-Naze (6.2 miles).
- Bungalow rear extension in Frinton-on-Sea
- Bungalow rear extension in Walton-on-the-Naze
- Bungalow rear extension in Harwich
- Bungalow rear extension in Colchester
- Bungalow rear extension in Felixstowe
Other work in Clacton-on-Sea:
FAQ
Bungalow rear extension questions in Clacton-on-Sea
Is the site visit in Clacton-on-Sea free?
Yes. We visit, measure up and talk through the options with no cost and no obligation.
How long does a rear extension take to build in Clacton-on-Sea?
Most single-storey rear extensions take 10 to 16 weeks on site and two-storey extensions 16 to 26 weeks, after design and approvals.
Do I need to move out?
Rarely; the opening into the bungalow is made late in the build.
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 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 you handle building control in Clacton-on-Sea?
Yes. We apply to the council or a registered building control approver and hand over the completion certificate.