Nailsea, Somerset
Wraparound extension in Nailsea
An L-shaped extension that fills the side return and runs across the back. We design, get the approvals for and build wraparound extensions in Nailsea and the surrounding area, with one contract from the first survey to building control sign-off.
Nailsea and its postcode districts BS48 are part of our Somerset coverage. Wraparound projects around Nailsea often involve two neighbours, so we start the party wall conversations early.
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 wraparound extension cost in Nailsea?
For Nailsea we work from the South West England rate: £2,290–£3,740 per square metre of new floor, including VAT, standard specification. South West prices run slightly above our West Midlands baseline; natural stone to match the house is the main variable.
| Size | Guide price inc VAT |
|---|---|
| L-shaped, about 22 m² of new floor | £50,500–£82,500 |
| L-shaped, about 30 m² of new floor | £68,500–£112,500 |
Ground conditions, glazing, the roof and how far the house is opened up move the final figure within the range.
Do you need planning permission for a wraparound extension in Nailsea?
Whether your wraparound extension in Nailsea needs a planning application depends on its size, your house and any local restrictions.
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 Nailsea like to extend?
Stone-built and rendered houses are common around Nailsea, so matching the walling is a design decision in its own right: natural stone, reconstituted stone or a render finish across old and new.
How a wraparound extension in Nailsea 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.
Drawings and budget
Floor plans and elevations for the options, each with a guide price.
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.
Wraparound extensions near Nailsea
Close by, we work in Portishead, about 3.5 miles away, and Yatton, about 4.1 miles away.
- Wraparound extension in Portishead
- Wraparound extension in Yatton
- Wraparound extension in Clevedon
- Wraparound extension in Bishopsworth
- Wraparound extension in Bristol
Other work in Nailsea:
FAQ
Wraparound extension questions in Nailsea
Is the site visit in Nailsea free?
Yes. We visit, measure up and talk through the options with no cost and no obligation.
Do you handle building control in Nailsea?
Yes. We apply to the council or a registered building control approver and hand over the completion certificate.
How long does a wraparound take?
Usually 14 to 20 weeks on site, longer than a plain rear extension because of the steelwork.
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.
Do I need a party wall agreement?
In England, usually yes if the extension is on or near a shared boundary or the foundations are close to a neighbour's building. We serve the notices.
Do I need planning permission for a rear extension in Nailsea?
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.