Uxbridge, Greater London
Side return extension in Uxbridge
We plan and build side return extensions for homeowners in Uxbridge. Infilling the narrow passage beside a Victorian or Edwardian back addition. Start with a free site visit, then a written price once the design is agreed.
Uxbridge sits in Greater London, with postcode districts including UB8, UB10 and UB11. In Uxbridge 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 Uxbridge?
For Uxbridge we work from the London rate: £2,990–£4,940 per square metre of new floor, including VAT, standard specification. London prices sit at the top of our range because of labour rates, access through the house, parking suspensions and skip licences.
| Size | Guide price inc VAT |
|---|---|
| 2 m wide × 6 m deep (12 m²) | £36,000–£59,500 |
| 2.5 m wide × 7 m deep (17.5 m²) | £52,500–£86,500 |
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 side return extension in Uxbridge?
Planning for a side return extension in Uxbridge follows the English householder rules.
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 Uxbridge like to extend?
Much of Uxbridge is 1920s and 1930s semis and short terraces with longer gardens than inner London, which suit full-width single-storey rear extensions. Parking suspensions, skip licences and controlled hours on residential streets shape the programme more than the build itself. Side return projects in Uxbridge usually start with a drainage survey of the side passage.
How a side return extension in Uxbridge 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 Uxbridge
Close by, we work in Hillingdon, about 1.7 miles away, and Ickenham, about 2.0 miles away.
- Side return extension in Hillingdon
- Side return extension in Ickenham
- Side return extension in Ruislip
- Side return extension in South Ruislip
- Side return extension in Hayes
Other work in Uxbridge:
FAQ
Side return extension questions in Uxbridge
What postcode areas do you cover around Uxbridge?
Including UB8, UB10 and UB11, and the surrounding Greater London area.
Can you match the brick or stone on my Uxbridge house?
We source the closest match and show you samples before ordering; reclaimed materials are often the best match on older houses.
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 long does a rear extension take to build in Uxbridge?
Most single-storey rear extensions take 10 to 16 weeks on site and two-storey extensions 16 to 26 weeks, after design and approvals.
Is the site visit in Uxbridge free?
Yes. We visit, measure up and talk through the options with no cost and no obligation.
How much does a side return extension cost in Uxbridge?
As a guide, £2,990–£4,940 per square metre including VAT for a standard specification. For example, 2 m wide × 6 m deep (12 m²): about £36,000–£59,500 at that rate. Your written price follows the survey.