Peterlee, County Durham
Side return extension in Peterlee
Infilling the narrow passage beside a Victorian or Edwardian back addition. If you live in Peterlee and want to know what a side return extension would cost and whether it needs planning, start with the online guide price or a free site visit.
Peterlee sits in County Durham, with postcode districts including SR8. In Peterlee 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 Peterlee?
In Peterlee, our guide for a side return extension is £2,070–£3,420 per square metre including VAT for a standard specification. North East prices are among the lowest in our range; former mining ground is the main foundation variable.
| Size | Guide price inc VAT |
|---|---|
| 2 m wide × 6 m deep (12 m²) | £25,000–£41,000 |
| 2.5 m wide × 7 m deep (17.5 m²) | £36,000–£60,000 |
These are guide ranges; the written quote after the survey is the figure that counts.
Do you need planning permission for a side return extension in Peterlee?
Whether your side return extension in Peterlee needs a planning application depends on its size, your house and any local restrictions.
Side return infills and the side leg of a wraparound are treated as side extensions in England: single-storey, no more than 4 metres high and no wider than half the original house. They are not permitted development in conservation areas, National Parks or National Landscapes, and a joined wraparound often needs a planning application because the side and rear rules apply together.
The Party Wall etc. Act 1996 applies in England: you serve notice two months before work to a shared wall, and one month before digging foundations within 3 metres (or 6 metres for deeper foundations) of a neighbour's building. Neighbours can agree in writing; if they dissent, surveyors agree an award.
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 Peterlee like to extend?
Brick terraces, colliery houses and post-war semis make up much of Peterlee. Former mining areas often need a coal mining risk check before foundations are designed.
How a side return extension in Peterlee 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.
Paperwork handled
Planning, prior approval or permitted development, Building Regulations approval, structural design and party wall notices are all handled by us.
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.
Side return extensions near Peterlee
Close by, we work in Seaham, about 5.5 miles away, and Hetton-le-Hole, about 6.0 miles away.
- Side return extension in Seaham
- Side return extension in Hetton-le-Hole
- Side return extension in Hartlepool
- Side return extension in Houghton-le-Spring
- Side return extension in Ryhope
Other work in Peterlee:
FAQ
Side return extension questions in Peterlee
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.
Is the site visit in Peterlee free?
Yes. We visit, measure up and talk through the options with no cost and no obligation.
Can I combine a side return with a rear extension?
Yes; that is a wraparound extension, and it gives the biggest open-plan room a terrace can have.
How much does a side return extension cost in Peterlee?
As a guide, £2,070–£3,420 per square metre including VAT for a standard specification. For example, 2 m wide × 6 m deep (12 m²): about £25,000–£41,000 at that rate. Your written price follows the survey.
Can you match the brick or stone on my Peterlee house?
We source the closest match and show you samples before ordering; reclaimed materials are often the best match on older houses.
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.