20 Merton Road, Walthamstow, London, E17 9DE Data via plota.co.uk

262432 - Certificate of Lawful Development - Proposed Valid/Complete

Proposal

Lawful development certificate (Proposed) for the installation of replacement windows and doors to the existing rear extension along with new access steps. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
week of 19 Oct 2026
✓
Validated
21 Oct 2026
Decision
Expected by 16 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 15 Dec 2026, from Waltham Forest's recent extensions.

Site constraints 4

Article 4 direction
Other Article 4 Direction Area. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Air quality management area: Waltham Forest AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Also on the record
Inside the Waltham Forest built-up area; Public transport access: PTAL 5 (very good), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 24 October 2026. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

Sales history 1

Last sold for £340,000 in September 2006. Semi-detached house, freehold.

15 September 2006£340,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Work with planning data?

Every application in Waltham Forest - and every UK council - as a live feed, an API, or a bulk CSV export.

About Plota's data service

Important details

Application type
Certificate of Lawful Development - Proposed
Postcode
E17 9DE
Received
week of 19 Oct 2026
Validated
21 Oct 2026
Ward
Hoe Street
Case officer
Show
Target decision
16 Dec 2026
Decision level
Delegated
Applicant
Show

Decision outlook

Day 7 of the 56-day target. Waltham Forest usually decides extensions by day 55.

Day 749 days to the 56-day target
84%decided within 8 weeks
80%approved
1,848decided in the last year

Plota live figures for extensions decided by Waltham Forest in the last twelve months, from validation. Waltham Forest decision record →

Consultation & key dates

Statutory expiry
16 Dec 2026
Waltham Forest
Planning Authority Score
5.6/10
Average
#116 of 296 councils
Relevant to this application:
Householder decisions

Waltham Forest is faster than most councils at deciding householder applications, ranking #80 out of 296. Only 22% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Waltham Forest is also one of the strictest councils - it refuses more householder applications than almost any other, with only 79% approved vs 90% nationally.

One of the strictest councils
only 79% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Waltham Forest decision statistics
Based on MHCLG data, the year to March 2026
76%
Overall approval rate
Below avg (87%) #284 of 296
79%
Householder approved
Below avg (90%) #284 of 296
75%
Decided in 8 weeks
Above avg (63%) #80 of 296
22%
Extended time limit
Below avg (41%) #25 of 296
49%
Minor dwellings approved
113 decided (1-9 homes)
100%
Major dwellings approved
8 decided (10+ homes)
50%
Change of use approved
56 decided
1,391
Total decisions
332 refused in the year to March 2026

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.