170 Whitmore Road, West Harrow, Harrow, HA1 4AQ Data via plota.co.uk

Approved PL/1126/26 - Householder
Extensions & alterations
Council
Harrow 4.9/10
Date received
23 May 2026
Postcode
HA1 4AQ
Type
Householder

Description

Single storey side to rear extension Data via plota.co.uk

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Last checked

Site constraints 2

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.
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

26 Jun 2026Approved

134 Whitmore Road, West Harrow, Harrow, HA1 4AQ

Single storey side to rear extension (Demolition of attached garage)

PL/1641/26
19 Aug 2026Pending

18 Whitmore Road, West Harrow, Harrow, HA1 4AB

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

PL/1981/26
30 Mar 2026Approved

66 Whitmore Road, West Harrow, Harrow, HA1 4AD

Certificate of Lawful Development (Existing): Single storey rear extension; conv...

PL/0864/26

Nearby new applications

11 Sept 2026Pending

28 Butler Road, West Harrow, Harrow, HA1 4DR

Single storey rear extension permitting internal changes to the ground floor fla...

PL/1373/26
5 Sept 2026Pending

93 Vaughan Road, West Harrow, Harrow, HA1 4EF

Certificate of Lawful Existing Development: Change of use form single dwelling (...

PL/2312/26
2 Sept 2026Pending

4 Welbeck Road, West Harrow, Harrow, HA2 0RG

First floor side to rear extension; External alterations

PL/2304/26
29 Aug 2026Pending

18 Dudley Gardens, Harrow, HA2 0DQ

Variation of condition 4 (Occupation numbers) attached to planning permission P/...

PL/2293/26
19 Aug 2026Pending

127 Welbeck Road, West Harrow, Harrow, HA2 0RY

Part conversion of dwellinghouse to create a separate self-contained 3 bedroom a...

PL/1977/26
19 Aug 2026Pending

82 Abercorn Crescent, South Harrow, Harrow, HA2 0PU

Certificate of Lawful Proposed Development: Front porch ; Alterations to roof to...

PL/2173/26

Historical activity at this location

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

Within ~100m

Nearby activity

2022 Approved
109 Whitmore Road, West Harrow, Harrow, HA1 4AG
Single storey rear extension; conversion of garage to habitable room with installation of…
P/3865/22
2022 Approved
104 Whitmore Road, West Harrow, Harrow, HA1 4AQ
Single storey side to rear extension; external alterations (demolition of attached garage…
P/1515/22
2021 Approved
98 Whitmore Road, West Harrow, Harrow, HA1 4AQ
Single storey side to rear extension; external alterations (demolition of detached garage…
P/4176/21
2021 Approved
151 Whitmore Road, West Harrow, Harrow, HA1 4AG
Single storey rear extension to garage.
P/1787/21
2021 Approved
105 Whitmore Road, West Harrow, Harrow, HA1 4AG
Single storey rear infill extension; external alterations
P/0271/21
2019 Approved
98 Whitmore Road, West Harrow, Harrow, HA1 4AQ
Single storey side and rear extensions; conversion of detached garage to garden store (pa…
P/5321/19
2020 Approved
100 Whitmore Road, West Harrow, Harrow, HA1 4AQ
Single storey side to rear extension (demolition of detached garage)
P/0891/20
2020 Approved
100 Whitmore Road, Harrow, HA1 4AQ
Single storey rear extension: 4.5 Metres deep 3.2 Metres maximum height 2.89 Metres high…
P/0286/20/PRIOR
2019 Approved
105 Whitmore Road, West Harrow, Harrow, HA1 4AG
Single Storey Rear Extension: 4.5 metres deep, 3.46 metres maximum height, 3.0 metres hig…
P/5274/19/PRIOR
2019 Refused
100 Whitmore Road, West Harrow, Harrow, HA1 4AQ
Single Storey Rear Extension: 4.25 metres deep, 3.0 metres maximum height, 2.895 metres h…
P/4912/19/PRIOR
2018 Approved
141 Whitmore Road, West Harrow, Harrow, HA1 4AG
First floor side extension; single and two storey side extension; single storey rear exte…
P/5503/18
2018 Approved
141 Whitmore Road, Harrow, HA1 4AG
Alterations to roof to form end gable rear dormer and insertion of two rooflights in fron…
P/5040/18
2018 Approved
113 Whitmore Road, West Harrow, Harrow, HA1 4AG
Single Storey Rear Extension: 5 metres deep, 3 metres maximum height, 3 metres high to th…
P/4843/18/PRIOR
2018 Approved
121 Whitmore Road, Harrow, HA1 4AG
First floor side to rear extension; single storey rear extension conversion of garage to…
P/3537/18
2018 Approved
141 Whitmore Road, Harrow, HA1 4AG
First floor side extension single and two storey side extension; single storey rear exten…
P/3945/18
2018 Approved
100 Whitmore Road, Harrow, HA1 4AQ
Single storey side to rear extension involving demolition of detached garage
P/2538/18
2018 Approved
121 Whitmore Road, Harrow, HA1 4AG
Single storey front extension; conversion of garage to room with installation of window t…
P/2206/18
2018 Approved
121 Whitmore Road, West Harrow, Harrow, HA1 4AG
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.4 metre…
P/0557/18/PRIOR
2018 Withdrawn
121 Whitmore Road, West Harrow, Harrow, HA1 4AG
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.4 metre…
P/0499/18
2018 Withdrawn
121 Whitmore Road, West Harrow, Harrow, HA1 4AG
Single Storey Rear Extension: extending 6 metres beyond the original rear wall, 3.4 metre…
P/0274/18
2017 Approved
133 Whitmore Road, Harrow, HA1 4AG
Single storey side to rear extension; canopy to front entrance (demolition of store)
P/2536/17
2017 Approved
142 Whitmore Road, Harrow, HA1 4AQ
Single storey rear extension; external alterations
P/1635/17
2017 Approved
142 Whitmore Road, Harrow, HA1 4AQ
Single storey front extension to garage; conversion of garage to room with installation o…
P/0534/17
2017 Approved
167 Whitmore Road, Harrow, HA1 4AG
Construction of detached bungalow adjacent main dwellinghouse; parking; bin storage (demo…
P/0025/17
2016 Approved
133 Whitmore Road, Harrow, HA1 4AG
Single storey side to rear extension; canopy to front entrance (demolition of store)
P/3434/16
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