15 Glenbrook Road London NW6 1TN Data via plota.co.uk

2026/3425/P - Householder Application Approved

Proposal

Single storey wrap around extension, installation of a rooflight to the proposed new extension roof, refurbishment of the existing first floor terrace, and internal reconfiguration of the ground floor. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
12 Aug 2026
✓
Approved
26 Oct 2026

Approved on 26 Oct 2026 · Delegated · Last checked 27 Oct 2026

Site constraints 4

Article 4 direction
Basements. Named permitted development rights are withdrawn here.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: Camden 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 Camden built-up area; Public transport access: PTAL 4 (good), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 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 £1,152,500 in January 2026. Terraced house, freehold.

23 January 2026£1,152,500

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

Building

Floor area134 m² (1,442 sq ft)
Energy ratingE (53 out of 100), could reach C
PropertyMid-terrace house, 7 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in June 2020, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Important details

Council
Camden
Application type
Householder Application
Postcode
NW6 1TN
Received
12 Aug 2026
Validated
12 Aug 2026
Ward
West Hampstead
Case officer
Show
Decision
Granted
Decision date
26 Oct 2026
Decision level
Delegated
Applicant
Show
Agent
Armstrong-Simmonds Architects

How this decision compares

Decided in 75 days from validation, 17 days slower than Camden's median of 58 for extensions. Approved, as 94% of extensions here are.

48%decided within 8 weeks
94%approved
10%go to committee

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

Consultation & key dates

Comments by
11 Oct 2026
Camden
Planning Authority Score
3.1/10
Poor
#231 of 296 councils
Relevant to this application:
Householder decisions

Camden is slower than most councils at deciding householder applications, ranking #242 out of 296. Householder applications are slightly less likely to be approved here (88%) than the national average (90%).

Slower than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Camden decision statistics
Based on MHCLG data, the year to March 2026
88%
Overall approval rate
Above avg (87%) #149 of 296
88%
Householder approved
Below avg (90%) #215 of 296
49%
Decided in 8 weeks
Below avg (63%) #242 of 296
41%
Extended time limit
Below avg (41%) #158 of 296
90%
Minor dwellings approved
467 decided (1-9 homes)
80%
Major dwellings approved
10 decided (10+ homes)
93%
Change of use approved
46 decided
1,973
Total decisions
234 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.

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.