Thetford, Norfolk
Terraced house rear extension in Thetford
We plan and build rear extensions for terraced houses for homeowners in Thetford. Rear and side return extensions for terraces, with access through the house and two neighbours. Start with a free site visit, then a written price once the design is agreed.
Thetford and its postcode districts IP24 are part of our Norfolk coverage. In Thetford we plan the delivery route through the house and the skip licence before anything else.
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 terraced house rear extension cost in Thetford?
In Thetford, our guide for a terraced house rear extension is £2,170–£3,500 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 × 4.5 m deep (13.5 m²) | £29,500–£47,000 |
| 3 m wide × 6 m deep (18 m²) | £39,000–£63,000 |
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 terraced house rear extension in Thetford?
Here is how the rules in England apply to a terraced house rear extension in Thetford.
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.
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. 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 Thetford like to extend?
Thetford mixes Victorian terraces with 1930s semis, so both side returns and full-width kitchen extensions suit houses here.
How a terraced house rear extension in Thetford 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.
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.
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.
Terraced house rear extensions near Thetford
We also build rear extensions for terraced houses in nearby Mildenhall (11.3 miles) and Bury St Edmunds (11.9 miles).
- Terraced house rear extension in Mildenhall
- Terraced house rear extension in Bury St Edmunds
- Terraced house rear extension in Attleborough
- Terraced house rear extension in Diss
- Terraced house rear extension in Newmarket
Other work in Thetford:
FAQ
Terraced house rear extension questions in Thetford
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.
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.
How deep can I go on a terrace?
3 metres under permitted development in England, or up to 6 metres with prior approval outside designated land.
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.
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.
How much does a terraced house rear extension cost in Thetford?
As a guide, £2,170–£3,500 per square metre including VAT for a standard specification. For example, 3 m wide × 4.5 m deep (13.5 m²): about £29,500–£47,000 at that rate. Your written price follows the survey.