28 Butler Road, West Harrow, Harrow, HA1 4DR Data via plota.co.uk

PL/1373/26 - Full Planning Application Approved

Proposal

Single storey rear extension permitting internal changes to the ground floor flat and external alterations Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
20 May 2026
✓
Validated
19 Aug 2026
✓
Approved
14 Oct 2026

Approved on 14 Oct 2026 · Delegated decision · Last checked 19 Oct 2026

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 4 (good), 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 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 2

Last sold for £297,000 in March 2026. Terraced house, leasehold.

More than one property is recorded at this address: HM Land Registry does not always give the flat or unit.

26 March 2026£297,000Recorded as a transfer outside a standard sale
6 January 2006£195,000Flat or maisonette

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

Building

Floor area59 m² (635 sq ft)
Energy ratingC (69 out of 100)
PropertyMid-terrace flat, 2 habitable rooms
Built1900 to 1929
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in June 2022, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Harrow
Application type
Full Planning Application
Postcode
HA1 4DR
Received
20 May 2026
Validated
19 Aug 2026
Ward
West Harrow
Case officer
Show
Target decision
14 Oct 2026
Decision
Grant Conditionally
Decision date
14 Oct 2026
Decision level
Delegated decision
Applicant
Show
Agent
Tailored Developments
Leaseholder
Show

How this decision compares

Decided in 56 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
14 Oct 2026
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

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 boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

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.

Leaseholders: 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.