Rear extension drawings for Waltham Forest homes, £589
Waltham Forest has Article 4 directions across most of its conservation areas, from Walthamstow Village to Chingford Green. We check your road against them before you spend on design.
- £439 drawings + £150 survey (£589 total)
- 9 Article 4 areas checked
- Pre-app cost compared
What do rear extension drawings cost in Waltham Forest?
We charge £589: £439 for the drawings, forms and submission and £150 for the survey visit, with no VAT to add. Waltham Forest Council’s application fee is paid to the council.
What the Waltham Forest price covers
- A survey of the back addition, any outrigger and the garden
- Existing and proposed floor plans, elevations and sections
- A check of your road against Waltham Forest’s nine Article 4 conservation areas
- Photographs of the front, sides and rear, as the council asks for
- Submission to Waltham Forest and replies to the case officer
| Our drawings and submission paid to us | £439 |
|---|---|
| Measured survey paid to us | £150 |
| Council householder fee paid to the council | £548 |
| Total | £1,137 |
We charge £589 in total. The £548 is paid to the council when the application goes in, and the survey is charged once if you later order building regulations drawings for the same house.
Where Waltham Forest’s Article 4 directions apply
The council’s Article 4 list covers Chingford Green, Forest School, Leytonstone, Orford Road, Ropers Field, Thornhill Road, Woodford Green, Browning Road and Walthamstow Village. It applies to single dwelling houses, and says you may need planning permission for a proposal in those areas; flats and commercial properties have no permitted development rights at all (Waltham Forest conservation areas).
That leaves other parts of the borough, such as Lloyd Park or Bakers Arms, where Class A can still apply within its limits. For example, a rear extension on a Walthamstow Village terrace begins as an application, while one on a house outside any listed area starts from the permitted development tests.
Pre-application advice and timing
The council’s householder advice service costs £335 (the council’s own price), with a formal written reply taking up to eight weeks, or a 20-minute informal online appointment. It asks for a site plan at 1:1250 and photographs of the front, sides and back, looking down the garden if appropriate (Waltham Forest advice service).
The council says it cannot tell you that a proposal needs no permission, and points to a lawful development certificate. We prepare the pack to pass validation first time. Waltham Forest decided 585 of 649 householder applications inside 8 weeks in the year to June 2026.
Waltham Forest rear extensions in numbers
- 9
- Conservation areas with Article 4 direction documents on the council’s list. Waltham Forest: conservation areas and listed buildings, Article 4 directions
- 15
- Conservation areas listed on the council’s page, including Leyton Town Centre where a new appraisal is being prepared. Waltham Forest: conservation areas and listed buildings, Article 4 directions
- £335
- Council charge, VAT already in it, for the council’s householder pre-application advice. Waltham Forest: householder advice service
- 20 minutes
- Length of the council’s informal online pre-application appointment. Waltham Forest: householder advice service
- 1:1250
- Scale of the site plan the council asks for with a pre-application request. Waltham Forest: householder advice service
- 585 of 649
- Waltham Forest Council householder applications decided within 8 weeks in the year to June 2026, out of all it decided (prior approvals not counted). MHCLG live table PS2, planning application statistics by district, July 2025 to June 2026 (GOV.UK)
- £72.73 per m²
- The Mayor of London’s CIL in Waltham Forest (band 2) for permissions granted in 2026, owed only when a scheme is liable for CIL in the first place. Mayoral CIL: annual rate summary for 2026, Table 1 (Greater London Authority)
Waltham Forest rear extension questions
Is my Walthamstow house under an Article 4 direction?
If it is a house in Walthamstow Village, Leytonstone, Orford Road, Thornhill Road or the other listed areas, yes. We check your address.
Does the council tell me if I need permission?
No. It says it cannot, and suggests a lawful development certificate for a proposed project.
How much is the council’s own pre-application advice?
£335, its own price, with a written reply in up to eight weeks.
How fast does Waltham Forest decide?
It decided 585 of 649 householder cases within 8 weeks last year. We cannot promise a date.
Other services people book with this one
- Prior approval for a larger home extension£349 drawings + £150 survey (£499 total)
- Lawful Development Certificate drawings£389 drawings + £150 survey (£539 total)
- Building regulations drawings£479 drawings + £150 survey (£629 total)
- Side return extension drawings£479 drawings + £150 survey (£629 total)
- Party wall notice£39
Price your Waltham Forest extension
Send the address and a sketch. We check the street and reply with a fixed price.