Thornton-Cleveleys, Merseyside
Bungalow rear extension in Thornton-Cleveleys
Single-storey rear extensions that keep everything on one level. If you live in Thornton-Cleveleys 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.
Thornton-Cleveleys is covered from our Merseyside round, including FY5, FY6 and FY7. For Thornton-Cleveleys bungalows we design the roof first, because the low eaves decide the height of the new room.
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 Thornton-Cleveleys?
Guide prices for a bungalow rear extension in Thornton-Cleveleys start from our North West England rate of £1,740–£2,820 per square metre, including VAT. 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 |
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 Thornton-Cleveleys?
Planning for a bungalow rear extension in Thornton-Cleveleys follows the English householder rules.
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. 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 Thornton-Cleveleys like to extend?
Stone and brick terraces are common around Thornton-Cleveleys. Where houses back onto a ginnel or alley, deliveries can come in from the rear, which makes the build tidier.
How a bungalow rear extension in Thornton-Cleveleys comes together
Free site visit
We measure the house and garden, look at the back wall, drainage and boundaries, and talk through what you want from the space.
Design and guide price
Two or three layout options with a guide price for each, so you choose the design knowing what it costs.
Approvals
Permitted development check, prior approval or planning application, then Building Regulations drawings and structural calculations, plus party wall notices where they apply.
Fixed price and build
A written price for the agreed design, a start date and a named contact through the build, ending with the building control completion certificate.
Bungalow rear extensions near Thornton-Cleveleys
From Thornton-Cleveleys, the nearest places we also cover are Cleveleys (0.8 miles) and Poulton-le-Fylde (3.2 miles).
- Bungalow rear extension in Cleveleys
- Bungalow rear extension in Poulton-le-Fylde
- Bungalow rear extension in Fleetwood
- Bungalow rear extension in Blackpool
- Bungalow rear extension in Lytham St Annes
Other work in Thornton-Cleveleys:
FAQ
Bungalow rear extension questions in Thornton-Cleveleys
Do I need planning permission for a rear extension in Thornton-Cleveleys?
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 long does a rear extension take to build in Thornton-Cleveleys?
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.
How much does a bungalow rear extension cost in Thornton-Cleveleys?
As a guide, £1,740–£2,820 per square metre including VAT for a standard specification. For example, 3 m wide × 4 m deep (12 m²): about £21,000–£34,000 at that rate. Your written price follows the survey.
Who will build my extension?
Vetted building teams working under contract to us. Your contract is with S&K Property Investments and Improvement Ltd for the design and the build.
Can you match the brick or stone on my Thornton-Cleveleys house?
We source the closest match and show you samples before ordering; reclaimed materials are often the best match on older houses.