198 Walm Lane, London, NW2 3BP Data via plota.co.uk

26/0856 - Householder Approved
Extensions & alterations

Proposal

Proposed single-storey rear extension, alteration to fenestrations, 3x rear dormer extensions and 1x front rooflight to dwellinghouse. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
1 Apr 2026
✓
Validated
10 Apr 2026
✓
Approved
20 May 2026

Approved on 20 May 2026 · Delegated Team Manager · Last checked 6 Jul 2026

Documents 6

Decision & officer reports 2

PDF Final decision notice Decision (Public) · 20 May 2026 View ↗ PDF Final delegated report Report · 19 May 2026 View ↗

Statements & assessments 1

PDF Design access heritage statement Approved Documents · 2 Apr 2026 View ↗

Plans & drawings 2

PDF Location plan Approved Drawing Plans · 20 May 2026 View ↗ PDF Existing and proposed drawings Approved Drawing Plans · 20 May 2026 View ↗

Application forms 1

PDF Application form redacted Application Form (Public) · 2 Apr 2026 View ↗

All documents on the council site ↗

Site constraints 5

Mapesbury conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
2 Article 4 directions
Article 4 for HMOs · Mapesbury. Named permitted development rights are withdrawn here.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: Brent 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
Local nature reserve about 500 m away: Westbere Copse; Inside the Brent built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 11 September 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England 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 £2,000,000 in March 2026. Detached house, freehold.

6 March 2026£2,000,000Recorded as a transfer outside a standard sale

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

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Other new applications on this street

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16 Sept 2026Pending

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Important details

Council
Brent
Application type
Householder
Postcode
NW2 3BP
Received
1 Apr 2026
Validated
10 Apr 2026
Ward
Cricklewood & Mapesbury
Case officer
Show
Decision
Permission Granted
Decision date
20 May 2026
Decision level
Delegated Team Manager
Applicant
Show
Agent
Sterling Town Planning
Freehold owner
Show

How this decision compares

Decided in 40 days from validation, 16 days faster than Brent's median of 56 for extensions. Approved, as 77% of extensions here are.

79%decided within 8 weeks
77%approved
1,124decided in the last year

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

Consultation & key dates

Alt. reference
PP-14827399
Comments by
14 May 2026
Env. assessment
No

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Approved
56A-D St Gabriels Road, London, NW2 4SA
Proposed installation of PV solar panels to rear roof slope.
25/2287
2025 Approved
155 Walm Lane, London, NW2 3AY
T1 Pear (Pyrus communis) fell to ground level
25/2049
2025 Approved
190 Walm Lane, London, NW2 3BP
Installation of solar PV panels to outrigger roof slope to flats.
25/1895
2025 Approved
155 Walm Lane, London, NW2 3AY
T1 Common Pear - Crown Reduction - by up to 3 m T2 Box Maple reduce the lateral spread of…
25/1782
2025 Approved
169 Walm Lane, London, NW2 3AY
Proposed single-storey side extension and rear extension, alteration to roof of existing…
25/0529
2025 Approved
206 Walm Lane, London, NW2 3BP
T1 - Conifer - Fell to ground level
25/0785
2024 Approved
157 Walm Lane, London, NW2 3AY
Proposed loft conversion to include 3x rear dormer windows, replacement roof covering and…
24/3662
2024 Approved
157 Walm Lane, London, NW2 3AY
Erection of ground floor side and rear extension, alterations to fenestration and replace…
24/3661
2024 Approved
159A Walm Lane, London, NW2 3AY
Proposed replacement of existing rear single glazed timber windows with double glazed tim…
24/2946
2024 Approved
36 St Gabriels Road, London, NW2 4SA
Reduce crown of magnolia back to previous cuts, taking up to 1m off.
24/2569
2024 Approved
44 St Gabriels Road, London, NW2 4SA
Proposed erection of single storey outbuilding in rear garden of dwellinghouse
24/0417
2024 Refused
Land next to 64, St Gabriels Road, London, NW2 4SA
Proposed erection of a single family dwellinghouse on the land next to 64 St Gabriels Roa…
24/0243
2024 Approved
153A-E, Walm Lane, London, NW2 3AY
T1 Crack Willow: fell and treat to prevent regrowth.
24/0247
2023 Approved
200 Walm Lane, London, NW2 3BP
T1 ? Plum (Prunus) - fell and grind out stump to 350mm below ground level T2 ? Damson (Pr…
23/3173
2023 Refused
Land next to 64, St Gabriels Road, London, NW2 4SA
Proposed erection of single family dwelling on the land next to 64 St Gabriels Road, NW2…
23/2303
2023 Approved
212A-D INC, Walm Lane, London, NW2 3BP
2m high Shrub to be removed, 1m from right corner of front projection.
23/2285
2023 Refused
Land next to 64, St Gabriels Road, London, NW2 4SA
T2: (TPO 43.10/103) London plane to reduce height to 16m - reduce northern part of crown…
23/1901
2023 Approved
28 St Gabriels Road, London, NW2 4SA
T2 (T7 of TPO 43/10/103) thin and dead wood crown and reduce long laterals by up to 1.5m…
23/1626
2023 Approved
167A Walm Lane, London, NW2 3AY
T1: Eucalyptus Tree - Reduce new growth by 50% T2: Yew Tree - Reduce crown by 1.5m T3: Mi…
23/0678
2022 Approved
Flat 1, 46 St Gabriels Road, London, NW2 4SA
Proposed two single storey rear side infill extensions, three new ground floor side windo…
22/4009
2016 Approved
196 Walm Lane, London, NW2 3BP
Single storey rear and side infill extension, enlargement existing rooflight over the fla…
16/5139
2016 Approved
196 Walm Lane, London, NW2 3BP
Alterations to the existing 3 rear dormers to include the replacement and insertion of a…
16/5134
2016 Approved
34 St Gabriels Road, London, NW2 4SA
Retrospective application for single storey outbuilding in the rear garden of dwellinghou…
16/4329
2016 Approved
165 Walm Lane, London, NW2 3AY
Erection of a two rear dormer windows and insertion of one rear rooflight to dwellinghouse
16/4676
2016 Approved
Flats 210A-E INC, Walm Lane, London, NW2 3BP
The replacement of the glass and frames of three dormers sash windows in a conservation a…
16/2218
Brent
Planning Authority Score
5.7/10
Average
#113 of 296 councils
Relevant to this application:
Householder decisions

Brent is faster than most councils at deciding householder applications, ranking #91 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Householder applications are slightly less likely to be approved here (85%) than the national average (90%).

Faster than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Brent decision statistics
Based on MHCLG data, the year to March 2026
78%
Overall approval rate
Below avg (87%) #269 of 296
85%
Householder approved
Below avg (90%) #247 of 296
73%
Decided in 8 weeks
Above avg (63%) #91 of 296
28%
Extended time limit
Below avg (41%) #42 of 296
53%
Minor dwellings approved
73 decided (1-9 homes)
85%
Major dwellings approved
13 decided (10+ homes)
54%
Change of use approved
193 decided
1,963
Total decisions
431 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

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

Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.