Extensions in Winsford: design, planning and build
We design and build house extensions for homes in Winsford and the surrounding Cheshire area, with guide prices adjusted for the region.
- Postcode districtsCW7
- Price regionNorth West England (×0.95)
- Planning rulesEngland
- Site visitFree, no obligation
Covering Winsford and nearby
We cover Winsford and the postcode districts CW7. We also work in nearby Northwich (5 miles), Crewe (7 miles), Congleton (13 miles), Runcorn (13 miles), Warrington (14 miles). Kidsgrove, in Staffordshire, is roughly 14 miles from Winsford and also on our list.
Choosing the right extension in Winsford
The North West has a high share of Victorian and Edwardian terraces with rear yards and outriggers, plus large areas of inter-war semis in the suburbs.
For many houses here, single-storey rear extensions, double-storey extensions or side return extensions gives the most useful space for the budget.
Guide prices for Winsford
Prices on this page use our North West England factor of ×0.95, include VAT at 20% and cover the build; your written price follows a survey and agreed drawings.
| Extension type | Example size | Standard spec (inc VAT) |
|---|---|---|
| Side return extensions | 11 m² | £25,000 – £31,500 |
| Single-storey rear extensions | 20 m² | £38,500 – £49,500 |
| Wraparound extensions | 25 m² | £54,500 – £69,000 |
| Conservatory replacement extensions | 14 m² | £28,500 – £37,000 |
| Extensions over a garage | 12 m² | £23,500 – £31,000 |
| Kitchen extensions | 20 m² | £39,500 – £50,500 |
Do extensions in Winsford need planning permission?
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 single-storey side return infill is often permitted development if it stays within the height limits and is no wider than half the width of the original house. Conservation areas, listed buildings and flats always need an application, and the boundary wall usually brings in the Party Wall Act.
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).
Extension types and starting prices
- Extensions over a garage · from £22,500
- Planning permission for extensions · from £300
- Utility and boot room extensions · from £13,000
- Double-storey extensions · from £36,000
- Single-storey rear extensions · from £19,500
- Annexe extensions · from £52,000
- Home office extensions · from £15,000
- Building regulations for extensions · from £850
- Glass box extensions · from £28,500
- Side extensions · from £20,500
- Side return extensions · from £17,000
- Pitched roof extensions · from £21,000
- Conservatory replacement extensions · from £19,000
- Bungalow extensions · from £24,500
- Orangery extensions · from £28,500
- Timber frame extensions · from £19,500
- Wraparound extensions · from £34,000
- Porch extensions · from £3,800
- Bedroom extensions · from £24,500
- Kitchen extensions · from £25,500
- Flat roof extensions · from £19,500
- Extension plans and drawings · from £1,100
Free site visit
First, a site visit: we look at the house, garden, access and drains and listen to what you need.
Design and approvals
We produce the drawings and structural design, and manage the approvals so they are in place before work starts.
Fixed written price
We confirm the build price in writing, based on the approved drawings and the finishes you have chosen.
Build and sign-off
We build it with one project manager, book the building control inspections and hand over the completion certificate.
Questions about extensions in Winsford
How much does an extension cost in Winsford?
Using our North West England factor (×0.95), a standard-spec single-storey extension of 20 m² is a guide £38,500 to £49,500 including VAT, and a 32 m² two-storey extension £54,500 to £71,500. Your written price follows the survey.
Will my neighbours need to be told?
If you apply for planning or prior approval the council notifies them, and in England party wall notices may be needed for work near a shared boundary.
Do I need planning permission for an extension in Winsford?
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.
Can I get a price before anyone visits?
Yes. This page shows guide prices adjusted for Winsford, and the guide-price tool gives a range for your own size and finish in about a minute.
Do you cover all of Winsford?
Yes, including the surrounding parts of Cheshire. Site visits are free and there is no obligation.
Book a free site visit in Winsford
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.