MARTINSELL Green Lane, Stanmore, Harrow, HA7 3AB Data via plota.co.uk

PL/2474/26 - Householder Pending Consideration
Extensions & alterations

Proposal

Installation of CCTV cameras and replacement windows to front elevation (retrospective) Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
17 Sept 2026
Decision
Expected by 12 Nov 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision around 12 Nov 2026, from Harrow's recent extensions.

Documents 9

Statements & assessments 2

PDF Heritage Statement Report · 18 Sept 2026 View ↗ PDF Resonable Exception Statement .pdf Report · 18 Sept 2026 View ↗

Plans & drawings 5

PDF Pre Existing & Existing Elevation Plans, Floor Plans Plans · 18 Sept 2026 View ↗ PDF Mullion to Sash Assembly Plan Plans · 18 Sept 2026 View ↗ PDF R002 R003 - Cross Section & Elevation Plans Plans · 18 Sept 2026 View ↗ PDF R002 Frame Plans · 18 Sept 2026 View ↗ PDF Site Location Plan Plans · 18 Sept 2026 View ↗

Application forms 1

PDF Application Form Redacted Application Form (Redacted) · 18 Sept 2026 View ↗

Other documents 1

PDF Network CCTV Camera Detail Report · 18 Sept 2026 View ↗

All documents on the council site ↗

Site constraints 7

Stanmore Hill Conservation Area conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
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 ↗
12 listed buildings within 150 m of the postcode pin
Nearest: Green Lane Cottages, Grade II, about 50 m from the postcode pin · 1 Grade II*, 11 Grade II
The site itself is not listed. Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show all 12 with distances
Historic England ↗
Also on the record
Local nature reserve about 330 m away: Stanmore Country Park; SSSI about 423 m away: Bentley Priory SSSI; Inside the Harrow built-up area; Green belt about 90 m away: London.
Not affected
Outside flood zones 2 and 3 · No scheduled monument at the site

Checked on 23 September 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 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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Important details

Council
Harrow
Application type
Householder
Postcode
HA7 3AB
Received
17 Sept 2026
Validated
17 Sept 2026
Ward
Stanmore
Case officer
Show
Target decision
12 Nov 2026
Decision level
Delegated decision
Applicant
Show
Agent
Designed Images

Decision outlook

Day 17 of the 56-day target. Harrow usually decides extensions by day 56.

Day 1739 days to the 56-day target
84%decided within 8 weeks
78%approved
1,672decided 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
12 Nov 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Approved
Oranim Green Lane, Stanmore, Harrow, HA7 3AF
Single storey front extension; single storey side to rear extension; first floor side ext…
PL/2814/25
2025 Refused
91, 91 Stanmore Hill, Stanmore, Harrow, HA7 3DZ
Change of Use from retail (Class E) to cafe/restaurant (Class Eb); single storey rear ext…
PL/1918/25
2025 Approved
East House, 69 Stanmore Hill, Stanmore, Harrow, HA7 3DZ
Conservatory at rear, Replacement windows in front side and rear elevations, Installation…
PL/0989/25
2025 Approved
5, Green Lane Cottages Green Lane, Stanmore, Harrow, HA7 3AE
Single storey rear extension, Replacement windows in first floor rear elevation, 2x repla…
PL/0426/25
2024 Refused
91, 91 Stanmore Hill, Stanmore, Harrow, HA7 3DZ
Change of use from retail (use class Ea) to restaurant (Use class Eb); single storey rear…
PL/1040/24
2024 Approved
Littlecote Green Lane, Stanmore, Harrow, HA7 3AB
Replacement composite front door and PVCu windows
PL/0822/24
2024 Approved
East House, 69 Stanmore Hill, Stanmore, Harrow, HA7 3DZ
Alterations to roof; three rear dormers; rooflight in front roofslope; installation of ci…
PL/0514/24
2024 Approved
Green Corner, 31 Green Lane, Stanmore, Harrow, HA7 3AF
T1 - Oak - Crown reduction in height by 1.5m and lateral growth by 2m giving clearance of…
PL/0225/24
2023 Refused
4, Green Lane Cottages Green Lane, Stanmore, Harrow, HA7 3AE
Installation and replacement of windows and door to front and rear elevations (like for l…
P/2235/23
2023 Refused
91, 91 Stanmore Hill, Stanmore, Harrow, HA7 3DZ
Change of use from retail (use class Ea) to restaurant (Use class Eb); single storey rear…
P/1403/23
2023 Approved
Fordyce Green Lane, Stanmore, Harrow, HA7 3AB
T1 Lawsons Cypress (rear garden, side boundary): Fell to ground level and grind out stump…
P/0145/23
2022 Approved
Summerdyne Green Lane, Stanmore, Harrow, HA7 3AB
Large Fir (rear garden): Surface roots in lawn preventing relandscaping works (would requ…
P/3996/22
2022 Approved
Malthurst Stanmore, 65 Stanmore Hill, Stanmore, Harrow, HA7 3DZ
Details pursuant to Conditions 3 (Materials) and 7 (Disposal of surface water) attached t…
P/3567/22
2022 Withdrawn
4, Green Lane Cottages Green Lane, Stanmore, Harrow, HA7 3AE
INVALID - Replacing windows and front door at front of property
P/3802/22
2022 Withdrawn
4, Green Lane Cottages Green Lane, Stanmore, Harrow, HA7 3AE
To replace existing windows and front door
P/3715/22
2021 Approved
Fordyce Green Lane, Stanmore, Harrow, HA7 3AB
Outbuilding at rear
P/2461/21
2022 Approved
Green Lane Cottage Green Lane, Stanmore, Harrow, HA7 3AB
Willow (rear garden): Reduce Crown by 2.5m in height and 2.5m width. Crown Clean to remov…
P/0015/22
2021 Approved
Bentley'z Barber, 87b Stanmore Hill, Stanmore, Harrow, HA7 3DZ
Display of one externally illuminated fascia sign
P/3296/21
2021 Approved
89 Stanmore Hill, Stanmore, Harrow,
Material alterations to the design shape and detailing of front dormers approved under pl…
P/1748/21
2021 Approved
Malthurst Stanmore, 65 Stanmore Hill, Stanmore, Harrow, HA7 3DZ
G1 Lime x 9 (side boundary with Halsbury Close): previously pollarded on regular cycle to…
P/2024/21
2016 Approved
2, Green Lane Cottages Green Lane, Stanmore, HA7 3AE
Horse chestnut (rear): crown reduce up to 30% by removing 1.5 - 2M max. Crown thin 10%. R…
P/3502/16
2016 Approved
Littlecote, Green Lane, Stanmore, HA7 3AB
Single storey side extension; single and two storey rear extension; single storey rear ex…
P/1599/16
2016 Approved
30 Culverlands Close, Stanmore, HA7 3AG
A1 lime (rear): crown reduce by removing 5m from height and 3m from sides. Remove major d…
P/1733/16
2016 Approved
97 Stanmore Hill, Stanmore, HA7 3DZ
Change of use from a1 (retail) to suI generis (treatment spa/lounge)
P/0564/16
2016
89 Stanmore Hill, Stanmore, HA7 3DZ
Redevelopment to provide three storey building for 140m2 retail use at ground floor (use…
P/1646/15/4906
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