Knutsford, Cheshire
Side return extension in Knutsford
Infilling the narrow passage beside a Victorian or Edwardian back addition. We design, get the approvals for and build side return extensions in Knutsford and the surrounding area, with one contract from the first survey to building control sign-off.
Knutsford is covered from our Cheshire round, including WA16. In Knutsford we check the boundary line and the neighbour's gutter before drawing a side return, because a few centimetres decide whether the wall goes on or beside the boundary.
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 side return extension cost in Knutsford?
A side return extension in Knutsford is priced at £2,160–£3,570 per square metre including VAT as a guide, before kitchen fit-out and fees. North West prices sit below our West Midlands baseline; access on terraced streets is the main variable.
| Size | Guide price inc VAT |
|---|---|
| 2 m wide × 6 m deep (12 m²) | £26,000–£43,000 |
| 2.5 m wide × 7 m deep (17.5 m²) | £38,000–£62,500 |
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 side return extension in Knutsford?
The planning route for a side return extension in Knutsford is set by England's householder rules and your council.
In England the side part of a side return or wraparound must meet the side-extension rules (one storey, under 4 metres high, no more than half the width of the original house), and those rights do not apply on designated land. Because a wraparound combines a side and a rear extension, many need householder planning permission.
Because rear extensions often sit on or near the boundary, the Party Wall etc. Act 1996 usually applies in England. Notices go out one or two months before work depending on the type of work, and a surveyor's award is only needed if a neighbour does not consent.
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 Knutsford like to extend?
Stone and brick terraces are common around Knutsford. Where houses back onto a ginnel or alley, deliveries can come in from the rear, which makes the build tidier.
How a side return extension in Knutsford 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.
Options and costs
We draw layout options and price each one, so the budget shapes the design rather than surprising you later.
Planning and regulations
We take the design through the right planning route, then produce the construction drawings and engineer's calculations for building control.
Build and sign-off
We build to the approved drawings with regular updates, then hand over the building control completion certificate and any guarantees from suppliers.
Side return extensions near Knutsford
From Knutsford, the nearest places we also cover are Hale (5.5 miles) and Altrincham (5.9 miles).
- Side return extension in Hale
- Side return extension in Altrincham
- Side return extension in Wilmslow
- Side return extension in Northwich
- Side return extension in Lymm
Other work in Knutsford:
FAQ
Side return extension questions in Knutsford
Can I live at home while the extension is built?
Usually yes. Most of the work is outside until the back wall is opened near the end, and that stage is screened off.
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.
Where does the drainage go?
Side passages often carry the soil and rainwater pipes. We survey them first and reroute them under the new floor where needed.
How much does a side return extension cost in Knutsford?
As a guide, £2,160–£3,570 per square metre including VAT for a standard specification. For example, 2 m wide × 6 m deep (12 m²): about £26,000–£43,000 at that rate. Your written price follows the survey.
What postcode areas do you cover around Knutsford?
Including WA16, and the surrounding Cheshire area.
Do I need planning permission for a rear extension in Knutsford?
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.