11 Old Forge Close, Stanmore, Harrow, HA7 3EB Data via plota.co.uk

Approved PL/1780/26 - Householder
Extensions & alterations
Council
Harrow 4.9/10
Date received
17 Jul 2026
Decision date
13 Sept 2026
Postcode
HA7 3EB
Type
Householder

Description

Front porch; conversion of garage to habitable room; two storey front extension; single and two storey rear extension; alterations and extension to roof to form end gables and raise roof ridge height; rear dormer with Juliet balcony; two rooflights in front roof slope; window in end gable; landscaping… Data via plota.co.uk

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Last checked

How this decision compares

Decided in 58 days from validation, about the council's usual 55 days. Approved, as 90% of householder applications here are.

71%decided within 8 weeks
90%approved
31,301decided in the last year

Plota live figures for householder applications decided across the UK in the last twelve months, from validation; too few recent householder applications in Harrow to go on. Harrow decision record →

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 ↗
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.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 11 September 2026. Historic England, the Environment Agency, Natural England 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.

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Other new applications on this street

29 Aug 2026Pending

2 Old Forge Close, Stanmore, Harrow, HA7 3EB

Single storey front infill extension incorporating porch; Front entrance canopy;...

PL/2164/26

Nearby new applications

10 Sept 2026Pending

Land Rear Of 21 Church Road, Stanmore, Harrow, HA7 4AR

Details pursuant to condition 3 (materials) attached to planning permission PL/0...

PL/2371/26
2 Sept 2026Pending

STANMORE HALL Wood Lane, Stanmore, Harrow

Listed Building Consent: Conversion of third floor penthouse flat into two, two-...

PL/2202/26
29 Aug 2026Pending

2 Old Forge Close, Stanmore, Harrow, HA7 3EB

Single storey front infill extension incorporating porch; Front entrance canopy;...

PL/2164/26
26 Aug 2026Pending

7, STANMORE HALL Wood Lane, Stanmore, Harrow, HA7 4JY

Non-Material amendment to planning permission PL/3184/24 dated 30/04/2025 to cha...

PL/2253/26
26 Aug 2026Pending

THE GARDEN HOUSE, 51 Dennis Lane, Stanmore, Harrow, HA7 4JU

Demolition and redevelopment to create a new two storey detached dwelling with a...

PL/2226/26
15 Aug 2026Approved

22 Springfield Close, Stanmore, Harrow, HA7 3DE

Little Common Conservation Area T1 Common Ash (by the entrance to the block): in...

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Historical activity at this location

26 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2025 Withdrawn
Two storey front extension; conversion of garage into habitable room; single and two stor…
PL/2526/25
Within ~100m

Nearby activity

2024 Approved
8 Old Forge Close, Stanmore, Harrow, HA7 3EB
Single storey side to rear extension, Conversion of garage to habitable room, Replacement…
PL/3072/24
2024 Approved
8 Old Forge Close, Stanmore, Harrow, HA7 3EB
Erection of a single storey side and rear extension, partial conversion of the garage to…
PL/1694/24
2023 Approved
St Johns Church Of England School Stanmore, 127 Stanmore Hill, Stanmore, Harrow, HA7 3FD
T68 Oak (on boundary with 4 Embry Way): Reduce to previous points (on 4 Embry Way side on…
P/1335/23
2023 Refused
145 Stanmore Hill, Stanmore, Harrow, HA7 3ED
Redevelopment to provide two storey detached dwellinghouse with habitable roofspace; roof…
P/1416/23
2022 Approved
2 Old Forge Close, Stanmore, Harrow, HA7 3EB
Single storey front infill extension incorporating porch; first floor front extension; si…
P/3359/22
2022 Approved
2 Old Forge Close, Stanmore, Harrow, HA7 3EB
Single storey front infill extension incorporating porch; first floor front extension; si…
P/1927/22
2022 Approved
145 Stanmore Hill, Stanmore, Harrow, HA7 3ED
Single and two storey side infill extension; single and two storey side extension incorpo…
P/0500/22
2021 Approved
3 Heriots Close, Stanmore, Harrow, HA7 3EE
Alterations and extension to roof; rear dormer; rooflights in both side roofslopes; glass…
P/3625/21
2020 Refused
St Johns Church Of England School Stanmore, 127 Stanmore Hill, Stanmore, Harrow, HA7 3FD
T1 - OAK - REDUCE CROWN BY 2-2.5M - SUBSIDENCE CLAIM FROM NEIGHBOURING PROPERTY
P/3726/20
2020 Approved
10 Heriots Close, Stanmore, Harrow, HA7 3EE
Conversion of garage to habitable room; installation of access ramp to front; external al…
P/2068/20
2020 Withdrawn
10 Heriots Close, Stanmore, Harrow, HA7 3EE
NEW APp - Convert garage into disabled room with wheelchair access from front
P/1944/20
2020 Refused
145 Stanmore Hill, Stanmore, Harrow, HA7 3ED
Two storey side extension; two storey front, side and rear extension; external alterations
P/0439/20
2019 Approved
6 Old Forge Close, Stanmore, Harrow, HA7 3EB
Alteration to existing roof to create cat slide roof with first floor rear dormer
P/2066/19
2019 Withdrawn
145 Stanmore Hill, Stanmore, Harrow, HA7 3ED
INVALID - GROUND FLOOR AND FIRST FLOOR EXTENSION WITH A LOFT ROOM
P/0876/19
2018 Approved
4 Old Forge Close, Stanmore, HA7 3EB
Single storey rear extension; first floor side extension
P/4136/18
2018 Approved
15 Old Forge Close, Stanmore, HA7 3EB
Single storey rear extension; front porch; external alterations
P/3508/18
2018 Refused
149 Stanmore Hill, Stanmore, Harrow, HA7 3ED
Vehicle access
P/0623/18
2018 Approved
5 Heriots Close, Stanmore, Harrow, HA7 3EE
Single and two storey side to rear extension; rear dormer to create habitable roofspace…
P/0171/18
2018 Withdrawn
15 Old Forge Close, Stanmore, Harrow, HA7 3EB
Single storey rear extension; two rear dormers; front porch; external alterations
P/0423/18
2017 Approved
5 Heriots Close, Stanmore, HA7 3EE
Single and two storey side to rear extension ; single storey side to rear extension; rear…
P/5104/17
2017 Approved
5 Heriots Close, Stanmore, HA7 3EE
Single and two storey side to rear extension ; single storey side to rear extension; rear…
P/3277/17
2017 Approved
21 Old Forge Close, Stanmore, HA7 3EB
Single storey side to rear extension; two storey rear extension with juliette balcony; co…
P/0803/17
2016 Approved
21 Old Forge Close, Stanmore, HA7 3EB
Single storey rear extension; first floor rear extension with juliette balcony; conversio…
P/4271/16
2016 Approved
6 Heriots Close, Stanmore, HA7 3EE
First floor front extension; installation of rooflights in side and rear roofslopes (demo…
P/1343/16
2016 Approved
6 Old Forge Close, Stanmore, HA7 3EB
First floor rear extension (with cat-slide roof and dormer)
P/0251/16
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