5 Clewer Crescent, Harrow Weald, Harrow, HA3 5QA Data via plota.co.uk

PL/2223/26 - Certificate of Lawful Development Existing Approved
Admin / procedural

Proposal

Certificate of Lawful Development (Existing): Single storey rear extension; external alterations Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
20 Aug 2026
✓
Validated
25 Aug 2026
✓
Approved
20 Oct 2026

Approved on 20 Oct 2026 · Delegated decision · Last checked 21 Oct 2026

Documents 2

Decision & officer reports 2

PDF Decision Notice Decision Notice · 20 Oct 2026 View ↗ PDF Officer Report Delegated Report · 9 Oct 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 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 3

Last sold for £151,000 in June 2000. Semi-detached house, freehold.

30 June 2000£151,000
21 May 1999£114,500
30 August 1996£82,000

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

Building

Floor area82 m² (883 sq ft)
Energy ratingD (66 out of 100), could reach B
PropertySemi-detached house, 5 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in April 2026, 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
Harrow
Application type
Certificate of Lawful Development Existing
Postcode
HA3 5QA
Received
20 Aug 2026
Validated
25 Aug 2026
Ward
Harrow Weald
Case officer
Show
Target decision
20 Oct 2026
Decision
Grant
Decision date
20 Oct 2026
Decision level
Delegated decision
Applicant
Show
Agent
RJS Planning

Consultation & key dates

Statutory expiry
20 Oct 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025
31 Clewer Crescent, Harrow Weald, Harrow, HA3 5QA
Single and two storey rear extension, External alterations
PL/2021/25
2025
31 Clewer Crescent, Harrow Weald, Harrow, HA3 5QA
Single storey rear extension: 6.00 metres deep, 3.20 metres maximum height and 3.00 metre…
PL/2005/25
2024 Refused
40 Clewer Crescent, Harrow Weald, Harrow, HA3 5PZ
Detached single storey outbuilding for use as Gym (Retrospective)
PL/2920/24
2022 Approved
46 Windsor Road, Harrow Weald, Harrow, HA3 5PX
Single storey rear extension; external alterations (demolition of conservatory)
P/1861/22
2022 Approved
54 Clewer Crescent, Harrow Weald, Harrow, HA3 5PZ
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metre…
P/0567/22/PRIOR
2021 Approved
6 Clewer Crescent, Harrow, HA3 5PZ
Single storey rear conservatory extension
P/1409/21/5945
2021 Approved
52 Windsor Road, Harrow Weald, Harrow, HA3 5PX
Installation of 1.6m to 1.8m high brick side to rear boundary wall with 500mm to 700m fen…
P/3361/21
2021 Approved
19 Clewer Crescent, Harrow Weald, Harrow, HA3 5QA
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metre…
P/2967/21/PRIOR
2021 Refused
6 Clewer Crescent, Harrow Weald, Harrow, HA3 5PZ
Single storey rear conservatory extension
P/1409/21
2020 Approved
26 Clewer Crescent, Harrow Weald, Harrow, HA3 5PZ
Single and two storey side extension; first floor rear extension; external alterations
P/2648/20
2019 Refused
26 Clewer Crescent, Harrow Weald, Harrow, HA3 5PZ
Single and two storey side extension; first floor rear extension; external alterations
P/5230/19
2019 Refused
26 Clewer Crescent, Harrow Weald, Harrow, HA3 5PZ
Two storey side extension; first floor rear extension
P/1188/19
2019 Withdrawn
3 Clewer Crescent, Harrow Weald, Harrow, HA3 5QA
INVALID - SINGLE AND TWO STOREY SIDE TO REAR EXTENSION; SINGLE STOREY REAR EXTENSION; FRO…
P/1464/19
2018 Approved
6 Clewer Crescent, Harrow Weald, Harrow, HA3 5PZ
Single Storey Rear Extension: 6 metres deep, 3.35 metres maximum height, 2.90 metres high…
P/5229/18/PRIOR
2018 Approved
82 Clewer Crescent, Harrow Weald, Harrow, HA3 5PZ
Single Storey Rear Extension: 6 metres deep, 3.5 metres maximum height, 2.9 metres high t…
P/4051/18/PRIOR
2018 Approved
32 Windsor Road, Harrow, HA3 5PX
Single storey rear extension: 6 metres deep 2.7 Metres maximum height 2.5 Metres high to…
P/3994/18/PRIOR
2018 Approved
32 Windsor Road, Harrow, HA3 5PX
Single storey rear extension: extending 6 metres beyond the original rear wall 2.7 Metres…
P/3264/18/PRIOR
2018 Approved
82 Clewer Crescent, Harrow, HA3 5PZ
Single storey rear extension extending 6 metres beyond the original rear wall 3 metres ma…
P/2407/18/PRIOR
2018 Approved
87 Windsor Road, Harrow, HA3 5PT
Single storey rear extension extending 6 metres beyond the original rear wall 3.2 Metres…
P/2050/18/PRIOR
2017 Approved
38 Windsor Road, Harrow, HA3 5PX
Single storey rear extension: extending 6 metres beyond the original rear wall 2.97 Metre…
P/4894/17/PRIOR
2017 Approved
23 Windsor Road, Harrow, HA3 5PT
Single storey rear extension: extending 6 metres beyond the original rear wall 3.8 Metres…
P/2970/17/PRIOR
2017 Approved
64 Clewer Crescent, Harrow, HA3 5PZ
Single storey rear extension (demolition of garage)
P/0935/17
2016 Approved
30 Windsor Road, Harrow, HA3 5PX
Single storey rear extension: extending 6 metres beyond the original rear wall 3.345 Metr…
P/2541/16
2016 Approved
52 Windsor Road, Harrow, HA3 5PX
First floor side extension
P/1255/16
2016 Approved
65 Windsor Road, Harrow, HA3 5PT
Single storey rear extension: extending 6 metres beyond the original rear wall 3 metres m…
P/0405/16
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.

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.