House extensions in Bridgwater
Looking to extend your home in Bridgwater? Start here: extension types, guide prices for Bridgwater, the planning rules that apply and how a project runs.
- Postcode districtsTA6
- Price regionSouth West England (×1.02)
- Planning rulesEngland
- Site visitFree, no obligation

What works best for Bridgwater houses?
In the South West, local stone, render and brick vary from town to town, so matching materials is a big part of designing an extension that looks right.
For many houses here, orangery extensions, annexe extensions or pitched roof extensions gives the most useful space for the budget.
What extensions cost in Bridgwater
We publish guide prices so you can budget before anyone visits. For Bridgwater they are adjusted by ×1.02, the factor we use across South West England.
| Extension type | Example size | Standard spec (inc VAT) |
|---|---|---|
| Kitchen extensions | 20 m² | £42,500 – £54,500 |
| Single-storey rear extensions | 20 m² | £41,500 – £53,500 |
| Conservatory replacement extensions | 14 m² | £30,500 – £39,500 |
| Wraparound extensions | 25 m² | £58,500 – £74,000 |
| Orangery extensions | 16 m² | £45,500 – £57,500 |
| Double-storey extensions | 32 m² | £58,500 – £77,000 |
| Extensions over a garage | 12 m² | £25,500 – £33,500 |
Approvals for an extension in Bridgwater
In England a single-storey rear extension can usually go up to 3 m beyond the original rear wall of a semi-detached or terraced house, or 4 m on a detached house, without a planning application, provided it is no more than 4 m high, keeps eaves to 3 m within 2 m of a boundary and, with other buildings, covers no more than half the land around the original house. The larger home extension prior approval scheme raises those depths to 6 m and 8 m, with neighbours notified and a 42-day decision.
In England a two-storey rear extension is permitted development only if it projects no more than 3 m from the original rear wall, sits at least 7 m from the rear boundary, matches the roof pitch and uses obscure, non-opening side windows upstairs. Most two-storey extensions therefore go through a householder planning application, which costs £548 from 1 April 2026 and normally takes about 8 weeks.
In a conservation area, national park, National Landscape, the Broads or a World Heritage Site the permitted development limits are tighter (no side or two-storey extensions without an application). Listed homes need listed building consent, and if permitted development rights have been removed, any extension needs an application.
Building regulations approval is separate from planning. In England you can use the council's building control team or a registered building control approver; a full plans application gets the drawings checked before work starts, and the inspector signs the work off with a completion certificate.
Applications are decided by the local planning authority (your district, borough or unitary council).
Covering Bridgwater and nearby
Our survey diary covers Bridgwater, including TA6. Nearby, we also take on projects in Burnham-on-Sea (8 miles), Taunton (9 miles), Weston-super-Mare (15 miles), Yeovil (21 miles), Clevedon (23 miles). Tiverton, in Devon, is roughly 26 miles from Bridgwater and also on our list.
All extension types we build in Bridgwater
- Building regulations for extensions · from £900
- Timber frame extensions · from £21,000
- Double-storey extensions · from £38,500
- Home office extensions · from £16,000
- Kitchen extensions · from £27,500
- Annexe extensions · from £56,000
- Utility and boot room extensions · from £14,000
- Orangery extensions · from £30,500
- Pitched roof extensions · from £22,500
- Bedroom extensions · from £26,500
- Extension plans and drawings · from £1,200
- Porch extensions · from £4,050
- Side return extensions · from £18,000
- Glass box extensions · from £30,500
- Wraparound extensions · from £36,500
- Planning permission for extensions · from £350
- Flat roof extensions · from £21,000
- Side extensions · from £22,000
- Bungalow extensions · from £26,500
- Conservatory replacement extensions · from £20,000
- Extensions over a garage · from £24,000
- Single-storey rear extensions · from £21,000
Free site visit
It starts with a visit to your house to measure, check access and talk through ideas and budget.
Design and approvals
Drawings are prepared and agreed with you, then submitted for the right planning route and building regulations approval.
Fixed written price
You receive a written, itemised price and programme. Nothing starts until you are happy with it.
Build and sign-off
Work is carried out to the agreed programme, inspected by building control and signed off at the end.
Questions about extensions in Bridgwater
How much does an extension cost in Bridgwater?
Using our South West England factor (×1.02), a standard-spec single-storey extension of 20 m² is a guide £41,500 to £53,500 including VAT, and a 32 m² two-storey extension £58,500 to £77,000. Your written price follows the survey.
Who do I contract with?
Your contract is with S&K Property Investments and Improvement Ltd, which designs and manages the project and the build teams who carry it out.
Do I need planning permission for an extension in Bridgwater?
Not always. It depends on the size, position and your property's history. Many single-storey rear extensions in England are permitted development or can use prior approval.
Do you handle building regulations?
Yes. We prepare the drawings and calculations, submit them and book inspections, ending with a completion certificate.
Book a free site visit in Bridgwater
We will measure up, check the planning position and give you honest guide figures.
- Free, no-obligation site visit
- Planning route checked before you spend on drawings
- Written price once the design is agreed
- Building control sign-off at the end
Prefer to talk? Call 0800 088 6341 or .
Book a free site visit
Tell us a little about the project and we will arrange a time.