57B Ashburnham Road, London, NW10 5SA Data via plota.co.uk

26/0757 - Full Planning Permission Approved
Extensions & alterations

Proposal

Proposed rear dormer extension, dormer to rear outrigger, replacement of 1x window to rear elevation, 3x front rooflights and roof terrace with a glazed privacy screen to the first floor flat. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
24 Mar 2026
✓
Approved
19 May 2026

Approved on 19 May 2026 · Delegated Team Manager · Last checked 6 Jul 2026

Documents 10

Decision & officer reports 2

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

Statements & assessments 2

PDF Planning statement Approved Documents · 24 Mar 2026 View ↗ PDF Flood risk assessment Approved Documents · 24 Mar 2026 View ↗

Plans & drawings 3

PDF Location plan Approved Drawing Plans · 19 May 2026 View ↗ PDF Existing and proposed block plan Approved Drawing Plans · 19 May 2026 View ↗ PDF Existing and proposed drawings Approved Drawing Plans · 19 May 2026 View ↗

Application forms 1

PDF Application form redacted Application Form (Public) · 24 Mar 2026 View ↗

Other documents 2

PDF Fire safety strategy Approved Documents · 24 Mar 2026 View ↗ PDF Planning notice Approved Documents · 24 Mar 2026 View ↗

All documents on the council site ↗

Site constraints 3

Article 4 direction
Article 4 for HMOs. Named permitted development rights are withdrawn here.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
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. 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.

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Other new applications on this street

26 Aug 2026Pending

16B Ashburnham Road, London, NW10 5SD

Proposed rear dormer extension, rear terrace to roof of rear outrigger with priv...

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26/1477
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10 Ashburnham Road, London, NW10 5SD

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26/1425
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74 Ashburnham Road, London, NW10 5SE

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26/1117

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Important details

Council
Brent
Application type
Full Planning Permission
Postcode
NW10 5SA
Received
24 Mar 2026
Validated
24 Mar 2026
Ward
Queens Park
Case officer
Show
Decision
Permission Granted
Decision date
19 May 2026
Decision level
Delegated Team Manager
Applicant
Show
Agent
Resi Design Ltd

How this decision compares

Decided in 56 days from validation, about the council's usual 56 days. Approved, as 75% of extensions here are.

80%decided within 8 weeks
75%approved
860decided 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-14752946
Comments by
25 Apr 2026
Env. assessment
No

Historical activity at this location

26 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2023 Approved
Proposed loft conversion with rear dormer, first floor roof terrace and 3x front roofligh…
23/0413
Within ~100m

Nearby activity

2025 Approved
42 Burrows Road, London, NW10 5SG
Proposed single storey side infill extension and rear rooflight to flat roof of rear exte…
25/3438
2025 Approved
81A Ashburnham Road, London, NW10 5SA
Proposed single-storey, side-to-rear extension and replacement of rear window with doors…
25/3011
2025 Approved
65 Ashburnham Road, London, NW10 5SA
Demolition of existing side extension and proposed single storey side extension to the dw…
25/2985
2025 Approved
158 Purves Road, London, NW10 5TG
Proposed single-storey side-to-rear extension to dwellinghouse
25/2319
2025 Approved
88 Ashburnham Road, London, NW10 5SE
Erection of single storey side/rear extension with new bi-folding doors to dwellinghouse
25/2128
2025 Approved
163B Purves Road, London, NW10 5TH
Proposed installation of roof terrace with privacy screening to rear outrigger to first-f…
25/2389
2025 Approved
165 Purves Road, London, NW10 5TH
Proposed demolition of ground floor side extension and erection of single storey side to…
25/2098
2025 Approved
192A Purves Road, London, NW10 5TG
Proposed single-storey side-to-rear extension and erection of single-storey outbuilding i…
25/1403
2025 Approved
165 Purves Road, London, NW10 5TH
Erection of roof terrace to rear outrigger of dwellinghouse
25/2184
2025 Approved
28 Burrows Road, London, NW10 5SG
Proposed installation of an exterior air conditioning unit at low level on side elevation…
25/2002
2025 Approved
119 Purves Road, London, NW10 5TH
Proposed erection of L-shaped dormer, x3 front rooflights and raising of rear party wall…
25/1502
2025 Approved
105 Purves Road, London, NW10 5TH
Proposed erection of a single storey side infill extension and fenestration alterations t…
25/1122
2025 Approved
62 Ashburnham Road, London, NW10 5SE
Proposed erection of ground floor side to rear extension, replacement of all existing tim…
25/0663
2025 Approved
192B Purves Road, London, NW10 5TG
Proposed rear dormer extension, dormer extension to rear outrigger, installation of first…
25/0523
2025 Approved
198B Purves Road, London, NW10 5TG
Proposed rear replacement of front window, hip to gable-end extension and a rear dormer e…
25/0589
2025 Approved
175A Purves Road, London, NW10 5TH
Proposed single-storey side-to-rear extension to ground floor flat.
25/0625
2024 Approved
28 Burrows Road, London, NW10 5SG
Proposed erection of ground floor side to rear extension with hard and soft landscaping t…
24/3462
2024 Approved
90A Ashburnham Road, London, NW10 5SE
Single storey outbuilding with associated landscaping to rear of ground floor flat
24/2374
2024 Approved
152 Purves Road, London, NW10 5TG
Proposed replacement of existing front and rear single glazed timber windows and doors wi…
24/2455
2024 Approved
171B Purves Road, London, NW10 5TH
Proposed rear dormer extension and x2 front rooflights to first floor flat.
24/2185
2016 Approved
26A Burrows Road, London, NW10 5SG
Proposed erection of side infill extension and single storey rear extension to ground flo…
16/1377
2016 Approved
105 & 107 Purves Road, London, NW10 5TH
Erection of a single storey side infill extension and external alterations to include new…
16/0229
2016 Approved
185 Purves Road, London, NW10 5TJ
Erection of a single storey side infill and rear extension to dwellinghouse
16/0490
2016 Approved
42 Burrows Road, London, NW10 5SG
Single storey side infill extension to the rear of dwellinghouse
16/0423
2016 Approved
157 Purves Road, London, NW10 5TH
Erection of a part single storey side infill extension to dwellinghouse
16/0315
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