4 Rochester Drive, Pinner, Harrow, HA5 1DD Data via plota.co.uk

PL/1943/26 - Householder Approved

Proposal

Single storey side to rear extension (Demolition of attached garage) Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
20 Jul 2026
✓
Approved
14 Sept 2026

Approved on 14 Sept 2026 · Delegated decision · Last checked 30 Sept 2026

Site constraints 4

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
Conservation area about 48 m away: Pinner / West Towers; Inside the Harrow built-up area; Public transport access: PTAL 1a (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. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. 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.

Building

Floor area121 m² (1,302 sq ft)
Energy ratingD (65 out of 100), could reach C
PropertyDetached house, 6 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in September 2025, 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
Householder
Postcode
HA5 1DD
Received
20 Jul 2026
Validated
20 Jul 2026
Ward
Pinner South
Case officer
Show
Target decision
14 Sept 2026
Decision
Grant Conditionally
Decision date
14 Sept 2026
Decision level
Delegated decision
Applicant
Show
Agent
Vdesigncad services

How this decision compares

Decided in 56 days from validation, about the council's usual 56 days. Approved, as 77% of demolitions here are.

75%decided within 8 weeks
77%approved
269decided in the last year

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

Consultation & key dates

Statutory expiry
14 Sept 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

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.