10 Ashburnham Road, London, NW10 5SD Data via plota.co.uk

26/1425 - Certificate of Lawfulness - Proposed Registered
Extensions & alterations

Proposal

Certificate of lawfulness for existing rear dormer extension, dormer to outrigger, 3x front rooflights and juliet balcony to dwellinghouse. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
8 Jun 2026
✓
Validated
10 Aug 2026
Decision
Expected by 5 Oct 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision around 5 Oct 2026, from Brent's recent extensions.

Documents 4

Plans & drawings 2

PDF Existing and proposed location plan and site plan Submitted Drawings Plans · 9 Jun 2026 View ↗ PDF Existing and proposed plans Submitted Drawings Plans · 9 Jun 2026 View ↗

Application forms 1

PDF Application form redacted Application Form (Public) · 9 Jun 2026 View ↗

Other documents 1

PDF Planning statment Supporting Documents · 9 Jun 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 Named permitted development rights are withdrawn here.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...

26/2173
11 Jun 2026Refused

90A Ashburnham Road, London, NW10 5SE

Proposed internal alterations to existing single storey outbuilding in rear gard...

26/1477
5 May 2026Withdrawn

74 Ashburnham Road, London, NW10 5SE

Proposed installation of electrical vehicle charging point to the dwellinghouse.

26/1117
24 Mar 2026Approved

57B Ashburnham Road, London, NW10 5SA

Proposed rear dormer extension, dormer to rear outrigger, replacement of 1x wind...

26/0757

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26/0065/TELN
11 Sept 2026Pending

Street Record, Chamberlayne Road, London

Telecommunications notification for installation of 1 above ground cabinet on fo...

26/0066/TELN
7 Sept 2026Pending

4B Dagmar Gardens, London, NW10 5RJ

Proposed rear dormer extension with Juliet balcony, 3x front rooflights, 1x side...

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26 Aug 2026Pending

16B Ashburnham Road, London, NW10 5SD

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

26/2173
25 Aug 2026Pending

23A, B & C Holland Road, London, NW10 5AH

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Important details

Council
Brent
Application type
Certificate of Lawfulness - Proposed
Postcode
NW10 5SD
Received
8 Jun 2026
Validated
10 Aug 2026
Ward
Queens Park
Case officer
Show
Decision level
Delegated Team Manager
Applicant
Show
Agent
YOM.ARCH LTD

Decision outlook

Day 35 of the 56-day target. Brent usually decides extensions by day 56.

Day 3521 days to the 56-day target
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 →

Public comments

No public comments yet.

Last counted 10 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-14995993
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
91B Burrows Road, London, NW10 5SJ
Proposed rear dormer extension, 2x front rooflights and removal of a first floor rear win…
25/2890
2025 Approved
88 & 88A Burrows Road, London, NW10 5SH
Reversion of 2 self-contained flats into a single family dwellinghouse
25/2619
2025 Approved
83 Burrows Road, London, NW10 5SJ
Proposed single storey side to rear extension to the dwellinghouse
25/2270
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
165 Purves Road, London, NW10 5TH
Erection of roof terrace to rear outrigger of dwellinghouse
25/2184
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
67 Burrows Road, London, NW10 5SJ
Demolition of rear storage and erection of single storey side to rear extension to the dw…
25/0939
2025 Approved
175A Purves Road, London, NW10 5TH
Proposed single-storey side-to-rear extension to ground floor flat.
25/0625
2024 Approved
7 & 9 Ashburnham Road, London, NW10 5SB
Joint application for single-storey rear infill extension and replacement of rear window…
24/3467
2024 Approved
103A Burrows Road, London, NW10 5SJ
Proposed single storey side infill extension and replacement of existing rear ground floo…
24/3190
2024 Approved
171B Purves Road, London, NW10 5TH
Proposed rear dormer extension and x2 front rooflights to first floor flat.
24/2185
2024 Approved
20B College Road, London, NW10 5EP
Demolition of existing rear dormer and erection of rear dormer including a lower dormer o…
24/0684
2024 Approved
17A Ashburnham Road, London, NW10 5SB
Proposed single storey side infill and rear extension to the ground floor flat.
24/0629
2023 Approved
155 Purves Road, London, NW10 5TH
Proposed single storey rear and side infill extension and relocation of first floor windo…
23/3498
2023 Approved
155 Purves Road, London, NW10 5TH
Change of use of the premises from a mixed-use premises (dwellinghouse/childcare centre/n…
23/2689
2023 Approved
74 Burrows Road, London, NW10 5SH
Proposed side infill extension, alteration to existing single storey rear extension, expo…
23/2564
2023 Approved
11 Ashburnham Road, London, NW10 5SB
Demolition of existing conservatory and erection of a single storey side to rear extensio…
23/2310
2023 Approved
49B Ashburnham Road, London, NW10 5SB
Proposed rear dormer extension, rear roof terrace with timber balustrade and 3x front roo…
23/1909
2016 Approved
21B Ashburnham Road, London, NW10 5SB
Formation of rear dormer and installation of two front rooflights to dwellinghouse
16/2868
2016 Approved
42 Ashburnham Road, London, NW10 5SD
Erection of a single storey side infill and rear extension to dwellinghouse
16/0839
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
157 Purves Road, London, NW10 5TH
Erection of a part single storey side infill extension to dwellinghouse
16/0315
2016 Refused
102A Burrows Road, London, NW10 5SH
Erection of a rear dormer window, rear roof terrace with glazed screening and insertion o…
16/0239
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