401 Pinner Road, North Harrow, Harrow, HA1 4HN Data via plota.co.uk

PL/1724/26 - Prior Notification - Larger Home Extension Withdrawn
Extensions & alterations

Proposal

Single storey rear extension: 6.00 metres deep, 3.60 metres maximum height and 3.00 metres high to the eaves Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
24 Jun 2026
−
Withdrawn
5 Aug 2026

Withdrawn on 5 Aug 2026 · Delegated decision · Last checked 30 Sept 2026

Documents 2

Plans & drawings 1

PDF proposed ground floor plan Plans · 24 Jun 2026 View ↗

Application forms 1

PDF Application Form Redacted Application Form (Redacted) · 24 Jun 2026 View ↗

All documents on the council site ↗

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
Inside the Harrow built-up area; Public transport access: PTAL 4 (good), TfL 2023, for the 100 m square; Town centre 82 m away: North Harrow.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 2 November 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 £600,000 in December 2023. Semi-detached house, freehold.

8 December 2023£600,000
27 September 1996£110,000

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

Building

Floor area119 m² (1,281 sq ft)
Energy ratingD (64 out of 100), could reach B
PropertySemi-detached house, 5 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in March 2023, 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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Other new applications on this street

30 Oct 2026Pending

399 Pinner Road, North Harrow, Harrow, HA1 4HN

Alterations to porch roof; Single and two storey side extension; Single storey r...

PL/2870/26
31 Jul 2026Approved

393 Pinner Road, North Harrow, Harrow, HA1 4HN

Certificate of Lawful Development (Proposed): Alterations and extension to roof ...

PL/2043/26
30 Oct 2026Pending

MUNNELLY HOUSE, 84 - 88 Pinner Road, North Harrow, Harrow, HA1 4HZ

Change of use from offices (Class E(g)(i)) to a Hindu temple (Class F1(f)) with ...

PL/2794/26
21 Sept 2026Pending

275 - 275A Pinner Road, Harrow, HA1 4HF

Certificate of lawful development (proposed): Change of use from office (Use cla...

PL/2490/26

Nearby new applications

10 Nov 2026Pending

18 North Avenue, North Harrow, Harrow, HA2 7AE

Use of dwelling as a five Bedroom, five Person House in Multiple Occupation (Cla...

PL/2954/26
3 Nov 2026Pending

40 Cambridge Road, North Harrow, Harrow, HA2 7LD

Certificate of Lawful Proposed Development: Single storey side extension (Demoli...

PL/2913/26
2 Nov 2026Pending

66 Southfield Park, North Harrow, Harrow, HA2 6HE

Certificate of Lawful Development (Proposed): Outbuilding at rear for use as pla...

PL/2890/26
30 Oct 2026Pending

399 Pinner Road, North Harrow, Harrow, HA1 4HN

Alterations to porch roof; Single and two storey side extension; Single storey r...

PL/2870/26
23 Oct 2026Pending

402 Pinner Road, North Harrow, Harrow, HA2 6EF

Single storey rear extension; external alterations

PL/2819/26
20 Oct 2026Pending

91 Elm Drive, North Harrow, Harrow, HA2 7BY

Single storey front, side and rear extension incorporating porch; external alter...

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Important details

Council
Harrow
Application type
Prior Notification - Larger Home Extension
Postcode
HA1 4HN
Received
24 Jun 2026
Validated
24 Jun 2026
Ward
North Harrow
Case officer
Show
Target decision
5 Aug 2026
Decision
Withdrawn
Decision date
5 Aug 2026
Decision level
Delegated decision
Applicant
Show
Agent
V-DESIGN CAD SERVICES LTD

Consultation & key dates

Statutory expiry
5 Aug 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Refused
2 Westmorland Road, Harrow, HA1 4PN
Single storey front extension; two storey side extension, single and two storey rear exte…
PL/1237/25
2024 Refused
286 Pinner Road, North Harrow, Harrow, HA1 4LA
Change of use from self contained flats (use Class C3) to Nursery (use Class E) relating…
PL/3208/24
2023 Approved
2 Westmorland Road, Harrow, HA1 4PN
Two storey side and single storey rear extension; creation of end of terrace dwelling; se…
P/1222/22/6135
2023 Approved
435a Pinner Road, North Harrow, Harrow, HA1 4HN
Roof extension to create additional (2 bed) flat
P/0891/23
2023 Approved
411 Pinner Road, North Harrow, Harrow, HA1 4HN
Single storey rear extension: 6.00 metres deep, 3.40 metres maximum height and 3.00 metre…
P/1037/23/PRIOR
2023
419 Pinner Road, Harrow, HA1 4HN
Single storey rear extension: 6.00 Metres deep 3.00 Metres maximum height and 3.00 Metres…
P/3218/22/6167
2022 Approved
16 Westmorland Road, Harrow, HA1 4PN
Conversion of detached garage in rear garden for use as annexe ancillary to dwelling; ext…
P/4257/22
2022 Approved
419 Pinner Road, North Harrow, Harrow, HA1 4HN
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metre…
P/3218/22/PRIOR
2022 Approved
373 Pinner Road, North Harrow, Harrow, HA1 4HN
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 2.80 metre…
P/3225/22/PRIOR
2022 Approved
19 Westmorland Road, Harrow, HA1 4PN
Single storey rear extension No.1: 4.00 metres deep, 3.00 metres maximum height and 2.90…
P/3132/22/PRIOR
2022 Refused
419 Pinner Road, North Harrow, Harrow, HA1 4HN
Single storey rear extension: 5.90 metres deep, 3.00 metres maximum height and 3.00 metre…
P/2622/22/PRIOR
2022 Refused
19 Westmorland Road, Harrow, HA1 4PN
Single storey rear extension: 4.00 metres deep, 3.00 metres maximum height and 2.90 metre…
P/2356/22/PRIOR
2022 Refused
419 Pinner Road, North Harrow, Harrow, HA1 4HN
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metre…
P/1748/22/PRIOR
2022 Refused
2 Westmorland Road, Harrow, HA1 4PN
Two storey side and single storey rear extension; Creation of end of terrace dwelling; se…
P/1222/22
2022 Refused
19 Westmorland Road, Harrow, HA1 4PN
Single storey rear extension
P/1355/22
2022 Refused
419 Pinner Road, North Harrow, Harrow, HA1 4HN
Conservatory at rear
P/0461/22
2021 Approved
425b Pinner Road, North Harrow, Harrow, HA1 4HN
Alterations to roof to form end gable and rear dormer; installation of two rooflights in…
P/4170/21
2021 Refused
2 Westmorland Road, Harrow, HA1 4PN
Two storey front extension; two storey side extension; single storey rear extension; crea…
P/2516/21
2021 Approved
11 Westmorland Road, Harrow, HA1 4PN
Single storey rear extension
P/2671/21
2021 Approved
15 Westmorland Road, Harrow
Details pursuant to conditions 3 (landscaping/boundary treatment/paving) and 5 (refuse an…
P/0810/21
2016 Approved
403 Pinner Road, Harrow, HA1 4HN
Conversion of dwelling into four flats; conversion of garage to habitable room; external…
P/5926/16
2016 Approved
357B Pinner Road, Harrow, HA1 4HN
Vehicle crossover
P/1407/16/5009
2016 Approved
435A Pinner Road, Harrow, HA1 4HN
Roof extension to create additional flat
P/4169/16
2016 Approved
357B Pinner Road, Harrow, HA1 4HN
Vehicle crossover
P/1407/16
2016 Approved
403 Pinner Road, Harrow, HA1 4HN
Single storey rear extension: extending 6 metres beyond the original rear wall 3 metres m…
P/0317/16
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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

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.