29 The Ridgeway, Stanmore, Harrow, HA7 4BE Data via plota.co.uk

PL/2612/25 - Householder Approved

Proposal

Front porch, Conversion of garage to habitable room, Replace garage door with window in front elevation, First floor front to side extension, Single and two storey rear extension, Juliette balconies in first floor rear elevation, Alterations to roof to form rear dormer, Roof lights in front and side roof slopes, External alterations (Demolition of side dormer) Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
8 Oct 2025
✓
Approved
9 Dec 2025

Approved on 9 Dec 2025 · Delegated decision · Last checked 18 Oct 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 ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
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 2

Last sold for £960,000 in October 2025. Semi-detached house, freehold.

3 October 2025£960,000
15 January 1999£298,000

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

Building

Floor area207 m² (2,228 sq ft)
Energy ratingD (58 out of 100), could reach B
PropertyDetached house, 9 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 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
HA7 4BE
Received
8 Oct 2025
Validated
8 Oct 2025
Ward
Belmont
Case officer
Show
Target decision
3 Dec 2025
Decision
Grant Conditionally
Decision date
9 Dec 2025
Decision level
Delegated decision
Applicant
Show
Agent
Sustainable Renew Homes Ltd

How this decision compares

Decided in 62 days from validation, 6 days slower than Harrow's median of 56 for extensions. 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
3 Dec 2025
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.

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.