THE SLOES Potter Street Hill, Pinner, Harrow, HA5 3YH Data via plota.co.uk

PL/2062/26 - Householder Pending Consideration
Extensions & alterations

Proposal

Widening of existing garage door opening and provision of bifold doors in enlarged opening; construction of carport; construction of enclosed verandah on side elevation Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
3 Aug 2026
✓
Validated
19 Oct 2026
Decision
Expected by 14 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 14 Dec 2026, from Harrow's recent extensions.

Documents 5

Statements & assessments 3

PDF Arboricultural Impact Assessment Method Statement & Tree Protection Plan Report · 19 Oct 2026 View ↗ PDF Flood Risk Assessment Report · 19 Oct 2026 View ↗ PDF Heritage statement Report/Assessment · 3 Aug 2026 View ↗

Plans & drawings 1

PDF Existing Floor Plan and Elevations Plans · 3 Aug 2026 View ↗

Application forms 1

PDF Application Form Redacted Application Form (Redacted) · 3 Aug 2026 View ↗

All documents on the council site ↗

Site constraints 6

Green belt: London
Inappropriate development needs very special circumstances.
Green belt policy allows a short list of exceptions, such as limited extensions and replacement buildings. Anything else needs very special circumstances that clearly outweigh the harm. Some green belt land can count as grey belt, where it does not strongly serve the green belt's purposes. The council decides this in its green belt assessment or on each application, so we do not mark it here.
Read the government guidance ↗
Pinner / Pinner Hill Estate 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.
Council document ↗
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
Local nature reserve 360 m away: Oxhey Woods; Inside the Harrow built-up area; Public transport access: PTAL 0 (very poor), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · No listed building at the site · No scheduled monument at the site

Checked on 21 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.

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Other new applications on this street

18 May 2026Pending

BLANDINGS Potter Street Hill, Pinner, Harrow, HA5 3YH

Single storey side extension incorporating porch with steps to front; Relocation...

PL/1240/26

Nearby new applications

19 Oct 2026Pending

GUNFLEET South View Road, Pinner, Harrow, HA5 3XZ

Single storey front extension; part conversion of garage into habitable room; si...

PL/2753/26
7 Oct 2026Pending

SILVERWOOD South View Road, Pinner, Harrow, HA5 3YA

Variation of condition 2 (approved plans) attached to planning permission PL/235...

PL/2655/26
14 Sept 2026Pending

44 Albury Drive, Pinner, Harrow, HA5 3RE

Single storey side to rear extension; external alterations (demolition of detach...

PL/2438/26
10 Sept 2026Pending

ST DAVIDS Pinner Hill, Pinner, Harrow, HA5 3XU

Details pursuant to condition , 5 ( disposal of surface water) , 6 ( disposal of...

PL/2396/26
4 Sept 2026Pending

PANORAMA HOUSE Pinner Hill, Pinner, Harrow, HA5 3XT

Details pursuant to conditions 3 (materials), 4 (landscaping), 5 (landscaping) a...

PL/2345/26
28 Aug 2026Pending

MICKLEFIELD HOUSE Park View Road, Pinner, Harrow, HA5 3YF

Two storey front extension; single storey side extension linking dwelling to gar...

PL/1561/26

Important details

Council
Harrow
Application type
Householder
Postcode
HA5 3YH
Received
3 Aug 2026
Validated
19 Oct 2026
Ward
Pinner
Case officer
Show
Target decision
14 Dec 2026
Decision level
Delegated decision
Applicant
Show
Agent
T R Harris (Design & Surveying Services) Ltd

Decision outlook

Day 9 of the 56-day target. Harrow usually decides extensions by day 56.

Day 947 days to the 56-day target
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 Dec 2026

Historical activity at this location

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

This property

Previous applications at this address

2025 Approved
Pinner Hill Estate Conservation Area G1 Wild cherry x 6 (r/hand side of entrance road): R…
PL/3262/25
Within ~100m

Nearby activity

2024 Approved
Blandings Potter Street Hill, Pinner, Harrow, HA5 3YH
Single storey side extension incorporating porch with front entrance steps; single storey…
PL/1874/24
2023 Approved
Blandings, Potter Street Hill, Pinner, HA5 3YH
Single storey part infill side extension; creation of first floor level; re-location of m…
P/1772/22/6155
2022 Refused
Blandings Potter Street Hill, Pinner, Harrow, HA5 3YH
Single storey part infill side extension; creation of first floor level; re-location of m…
P/1772/22
2021 Refused
Blandings Potter Street Hill, Pinner, Harrow, HA5 3YH
Single storey part infill front extension incoporating front porch: Single and two-storey…
P/4585/21
2021 Approved
Xanadu House Potter Street Hill, Pinner, Harrow, HA5 3YH
Willow: Re-pollard back to previous reduction points by removing approximately 3m Leyland…
P/3510/21
2020 Approved
Mickledore, Potter Street Hill, Pinner, HA5 3YH
Installation of car port at side; proposed additional hardstanding
P/0238/20
2019 Approved
La Corbiere Potter Street Hill, Pinner, Harrow, HA5 3YH
A7 OAK (rear garden left side boundary): Reduce back by approximately 2m to previous poin…
P/4391/19
2019 Refused
Mickledore Potter Street Hill, Pinner, Harrow, HA5 3YH
Installation of car port at side
P/2103/19
2019 Approved
Tresanton Potter Street Hill, Pinner, Harrow, HA5 3YH
NEW APP - Tree number - T1 Tree type - Cherry (Prunus Sp.) Approx Height - 3m Location…
P/1109/19
2018 Approved
Lee House Potter Street Hill, Pinner, Harrow, HA5 3YH
T18, T19 Poplar x 2 (rear garden, side boundary with Potters End): Crown Reduce 30% (appr…
P/0045/18
2016 Approved
Brookside, Potter Street Hill, Pinner, HA5 3YH
Installation of two front and three side dormers to create habitable roofspace; rooflight…
P/1083/16
2016 Approved
La Corbiere, Potter Street Hill, Pinner, HA5 3YH
T1 - oak - prune back lowest branch spreading towards house by 1m (into crown profile) t2…
P/0518/16
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