Walthamstow, Greater London
Bungalow rear extension in Walthamstow
Thinking about a bungalow rear extension in Walthamstow? Single-storey rear extensions that keep everything on one level. Our team handles the drawings, the planning route and the build, and your contract is with one company throughout.
Walthamstow sits in Greater London, with postcode districts including E4, E10, E11 and E17. For bungalows in Greater London, a rear extension is the usual way to add space without adding stairs.
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 bungalow rear extension cost in Walthamstow?
For Walthamstow we work from the London rate: £2,400–£3,900 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 |
|---|---|
| 3 m wide × 4 m deep (12 m²) | £29,000–£47,000 |
| 4 m wide × 6 m deep (24 m²) | £57,500–£93,500 |
We put a fixed price in writing once the design is agreed, and explain any provisional sums such as foundations.
Do you need planning permission for a bungalow rear extension in Walthamstow?
The planning route for a bungalow rear extension in Walthamstow is set by England's householder rules and your council.
In England a single-storey rear extension can often be built under permitted development: up to 3 metres beyond the original rear wall of an attached house, or 4 metres on a detached house, no higher than 4 metres, with eaves no higher than 3 metres if any part is within 2 metres of a boundary.
If 3 or 4 metres is not enough, England's prior approval route allows 6 metres on a terraced or semi-detached house and 8 metres on a detached house for a single-storey rear extension. Neighbours are consulted, the council decides within 42 days, and the fee is £249, rising to £310 from 8 December 2026.
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 Walthamstow like to extend?
Much of Walthamstow is Victorian and Edwardian terraced housing with narrow back additions, which suits side returns, wraparounds and 3 metre rear extensions. Many streets are in conservation areas, gardens are short, and almost everything comes through the house or along a rear alley.
How a bungalow rear extension in Walthamstow comes together
Survey visit
We visit free of charge, measure up, check access, drainage and neighbours' extensions, and note what you want the room to do.
Drawings and budget
Floor plans and elevations for the options, each with a guide price.
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.
Bungalow rear extensions near Walthamstow
Close by, we work in Highams Park, about 1.3 miles away, and Tottenham Hale, about 1.7 miles away.
- Bungalow rear extension in Highams Park
- Bungalow rear extension in Tottenham Hale
- Bungalow rear extension in Snaresbrook
- Bungalow rear extension in Northumberland Park
- Bungalow rear extension in Leytonstone
Other work in Walthamstow:
FAQ
Bungalow rear extension questions in Walthamstow
Do I need planning permission for a rear extension in Walthamstow?
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.
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.
Is a bungalow extension cheaper?
The rates are similar per square metre; roof work can add a little.
What postcode areas do you cover around Walthamstow?
Including E4, E10, E11 and E17, and the surrounding Greater London area.
How long does a rear extension take to build in Walthamstow?
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 Walthamstow free?
Yes. We visit, measure up and talk through the options with no cost and no obligation.