12 St Bride's Avenue, Edgware, Harrow, HA8 6BS Data via plota.co.uk

PL/2157/26 - Certificate of Lawful Development Proposed Approved
Extensions & alterations

Proposal

Certificate of Lawful Proposed Development: Single storey rear extension; Alterations to roof to form end gable and rear dormer; Three roof lights in front roof slope Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
12 Aug 2026
✓
Validated
13 Aug 2026
✓
Approved
7 Oct 2026

Approved on 7 Oct 2026 · Delegated decision · Last checked 19 Oct 2026

Documents 4

Decision & officer reports 2

PDF Decision Notice Decision Notice · 7 Oct 2026 View ↗ PDF Officer Report Delegated Report · 7 Oct 2026 View ↗

Plans & drawings 1

PDF Proposed & existing floor plans & elevations Plans · 12 Aug 2026 View ↗

Application forms 1

PDF Application Form Redacted Application Form (Redacted) · 12 Aug 2026 View ↗

All documents on the council site ↗

Site constraints 3

Air quality management area: Harrow 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 Harrow built-up area; Public transport access: PTAL 1b (very poor), 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 17 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 £72,000 in November 1995. Semi-detached house, freehold.

10 November 1995£72,000

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

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Important details

Council
Harrow
Application type
Certificate of Lawful Development Proposed
Postcode
HA8 6BS
Received
12 Aug 2026
Validated
13 Aug 2026
Ward
Edgware
Case officer
Show
Target decision
8 Oct 2026
Decision
Grant
Decision date
7 Oct 2026
Decision level
Delegated decision
Applicant
Show
Agent
Keenan Project Designs Ltd

How this decision compares

Decided in 55 days from validation, about the council's usual 56 days. Approved, as 79% of extensions here are.

80%decided within 8 weeks
79%approved
1,936decided in the last year

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

Consultation & key dates

Statutory expiry
8 Oct 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2024 Approved
3 Merlin Crescent, Edgware, Harrow, HA8 6JL
Single story front, side to rear extension (Demolition of attached garage)
PL/3311/24
2023 Refused
8 St Bride's Avenue, Edgware, Harrow, HA8 6BS
Single storey rear extension (demoltiion of outbuilding)
P/2203/23
2023
176 Camrose Avenue, Edgware, HA8 6BU
Conversion of dwelling into two flats (2 x 2 bed); single and two storey side and part tw…
P/4961/21/6223
2023 Approved
8 St Bride's Avenue, Edgware, Harrow, HA8 6BS
Single storey rear extension: 6.00 metres deep, 3.30 metres maximum height and 3.00 metre…
P/1565/23/PRIOR
2023 Refused
8 St Bride's Avenue, Edgware, Harrow, HA8 6BS
Single storey rear extension linking to detached garage; conversion of detached garage to…
P/0849/23
2023 Approved
41 St David's Drive, Edgware, Harrow, HA8 6JQ
T1 Oak (side of 41 St David's Drive): Remove regrowth by pruning to just above previous p…
P/0317/23
2022 Approved
17 Merlin Crescent, Edgware, Harrow, HA8 6JL
Single storey rear extension: 6.00 metres deep, 3.40 metres maximum height and 3.00 metre…
P/3699/22/PRIOR
2022 Approved
15 Merlin Crescent, Edgware, Harrow, HA8 6JL
Single storey rear extension: 6.00 metres deep, 3.40 metres maximum height and 3.00 metre…
P/3700/22/PRIOR
2021 Refused
176 Camrose Avenue, Edgware, Harrow, HA8 6BU
Conversion Of Dwelling Into Two Flats (2 X 2 Bed); Single And Two Storey Side and Part Tw…
P/4961/21
2022 Approved
9 Merlin Crescent, Edgware, Harrow, HA8 6JL
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 2.80 metre…
P/2391/22/PRIOR
2022 Approved
36 St David's Drive, Edgware, Harrow, HA8 6JH
Electronic communications notification: Installation of 9m high wooden light pole
P/2227/22
2022 Approved
4 St Bride's Avenue, Edgware, HA8 6BS
Alterations to roof to form an end gable rear dormer. Insertion of two rooflights in fron…
P/4388/21/5994
2021 Refused
4 St Bride's Avenue, Edgware, Harrow, HA8 6BS
Alterations to roof to form an end gable, rear dormer. Insertion of two rooflights in fro…
P/4388/21
2021 Approved
204 Camrose Avenue, Edgware, Harrow, HA8 6BU
Alterations to rear dormer; installation of rooflights in front roofslope (retrospective)
P/3605/21
2021 Withdrawn
176 Camrose Avenue, Edgware, Harrow, HA8 6BU
Conversion of dwelling into two flats (2 X 2 bed); single and two storey side extension…
P/3213/21
2021 Approved
Camrose Primary School With Nursery St David's Drive, Edgware, Harrow, HA8 6JH
Single storey modular building to form teaching rooms
P/3038/21
2021 Refused
204 Camrose Avenue, Edgware, Harrow, HA8 6BU
Rear dormer; installation of rooflight in front roofslope (retrospective)
P/0787/21
2020 Approved
3 St Bride's Avenue, Edgware, Harrow, HA8 6BT
Single Storey Rear Extension: extending 6.00 metres beyond the original rear wall, 2.89 m…
P/3678/20/PRIOR
2020 Approved
1 St Bride's Avenue, Edgware, Harrow, HA8 6BT
Single Storey Rear Extension: extending 6.00 metres beyond the original rear wall, 2.89 m…
P/3677/20/PRIOR
2020 Approved
34 St David's Drive, Edgware, Harrow, HA8 6JH
Single Storey Rear Extension: 6.0 metres deep, 3.0 metres maximum height, 3.0 metres high…
P/2948/20/PRIOR
2016 Approved
35 St David's Drive, Edgware, HA8 6JQ
Single storey rear extension: extending x metres beyond the original rear wall x metres m…
P/3235/16
2016 Withdrawn
176 Camrose Avenue, Edgware, Harrow, HA8 6BU
P/3839/16
2016 Approved
21 St Bride's Avenue, Edgware, HA8 6BT
Single storey rear extension: extending 5 metres beyond the original rear wall 3 metres m…
P/1503/16
2016 Approved
44 St Bride's Avenue, Edgware, HA8 6BS
Single storey rear extension: extending 6 metres beyond the original rear wall 3.85 Metre…
P/1448/16
2016 Approved
28 St David's Drive, Edgware, HA8 6JH
Single storey rear extension: extending 6 metres beyond the original rear wall 3.72 Metre…
P/0464/16
Harrow
Planning Authority Score
4.9/10
Below average
#153 of 296 councils
Relevant to this application:
Householder decisions

Harrow ranks #115 out of 296 councils for householder decision speed. Harrow is also one of the strictest councils - it refuses more householder applications than almost any other, with only 83% approved vs 90% nationally.

One of the strictest councils
only 83% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Harrow decision statistics
Based on MHCLG data, the year to March 2026
78%
Overall approval rate
Below avg (87%) #273 of 296
83%
Householder approved
Below avg (90%) #261 of 296
71%
Decided in 8 weeks
Above avg (63%) #115 of 296
33%
Extended time limit
Below avg (41%) #77 of 296
44%
Minor dwellings approved
133 decided (1-9 homes)
80%
Major dwellings approved
5 decided (10+ homes)
38%
Change of use approved
26 decided
1,330
Total decisions
298 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.