157 Butler Road, West Harrow, Harrow, HA1 4DX Data via plota.co.uk

Pending PL/1230/26 - Householder
Extensions & alterations
Council
Harrow 4.9/10
Date received
23 May 2026
Postcode
HA1 4DX
Type
Householder

Description

Single storey side extension; external alterations Data via plota.co.uk

Get alerts nearby Council site ↗

Last checked

Decision outlook

Plota predicted a decision around 14 Sept 2026; it is now day 114.

Day 114, past the statutory target. 93% of householder applications in Harrow are decided within thirteen weeks; extensions of time are common, and the council need not decide on the day. Last seen undecided on 24 Aug 2026.

Day 11458 days past the 56-day target
71%decided within 8 weeks
90%approved
31,203decided 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 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

30 Apr 2026Approved

149 Butler Road, West Harrow, Harrow, HA1 4DX

Single storey rear extension with rooflight; External alterations (Demolition of...

PL/1122/26
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
17 Jul 2026Approved

112 Butler Road, West Harrow, Harrow, HA1 4DT

Certificate of lawful development (Proposed): Single storey rear extension

PL/1856/26

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
19 Aug 2026Pending

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

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

PL/1981/26
19 Aug 2026Pending

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

Front porch; single and two storey side to rear extensions; second access door a...

PL/1971/26
13 Aug 2026Pending

51 The Gardens, West Harrow, Harrow

Certificate of Lawful Proposed Development: Single storey detached outbuilding a...

PL/2149/26

Historical activity at this location

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

Within ~100m

Nearby activity

2023 Approved
147 Butler Road, West Harrow, Harrow, HA1 4DX
Single storey side to rear extension; alterations to roof; side to rear dormer; two roofl…
P/0212/23
2021 Approved
161 Butler Road, West Harrow, Harrow, HA1 4DX
Single storey side to rear extension (demolition of conservatory)
P/0642/21
2020 Approved
24 Drury Road, West Harrow, Harrow, HA1 4BY
Single Storey Rear Extension: 5.00 metres deep, 3.33 metres maximum height, 3.00 metres h…
P/0917/20/PRIOR
2020 Approved
143 Butler Road, West Harrow, Harrow, HA1 4DX
Single storey rear infill extension ; external alterations
P/0138/20
2019 Withdrawn
72 Wilson Gardens, West Harrow, Harrow, HA1 4EA
Single storey outbuilding in rear garden
P/3982/19
2018 Approved
72 Wilson Gardens, West Harrow, Harrow, HA1 4EA
Alterations to roof to form end gable; rear dormer; four rooflights in front roofslope; s…
P/5445/18
2018 Approved
72 Wilson Gardens, West Harrow, Harrow, HA1 4EA
Single storey rear extension
P/5206/18
2018 Approved
72 Wilson Gardens, West Harrow, Harrow, HA1 4EA
Single storey rear extension; basement floor under rear extension
P/5043/18
2018 Refused
72 Wilson Gardens, West Harrow, Harrow, HA1 4EA
Alterations to roof to form end gable, front and rear dormers and insertion of three roof…
P/5042/18
2018 Refused
72 Wilson Gardens, West Harrow, Harrow, HA1 4EA
Alterations to roof to form end gable; rear dormer; four rooflights in front roofslope; s…
P/4052/18
2018 Approved
72 Wilson Gardens, Harrow, HA1 4EA
Front porch; rendering to dwellinghouse
P/2884/18
2018 Approved
72 Wilson Gardens, Harrow, HA1 4EA
Outbuilding at rear
P/2777/18
2018 Approved
72 Wilson Gardens, Harrow, HA1 4EA
Single storey rear extension extending 6 metres beyond the original rear wall 4 metres ma…
P/1807/18/PRIOR
2018 Approved
2 Haverstock Close, Harrow, HA1 4FN
Single storey rear extension; external alterations
P/0517/18
2017 Approved
154 Butler Road, West Harrow, Harrow, HA1 4DX
Roof extensions with juliette balcony; rooflight in front roofslope
P/3218/17
2017 Withdrawn
West Harrow Pre School, Playgroup, West Harrow Recreation Ground Butler Road, West Harrow, Harrow, HA1 4DX
INVALID - Installation of a wooden gazebo with electirc sockets for use as shelter and ac…
P/3787/17
2025
2 Haverstock Close, Harrow, HA1 4FN
Certificate of Lawful Development Proposed: Outbuilding
PL/2207/25
2023 Approved
44 Drury Road, West Harrow, Harrow, HA1 4BY
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Rear dormer with Juliette balcony
P/1617/23
2021 Approved
140 Butler Road, West Harrow, Harrow, HA1 4DX
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Wrap-around dormer at rear and insertion of…
P/4313/21
2021 Withdrawn
16 Drury Road, West Harrow, Harrow, HA1 4BY
INVALID
P/1891/21
2021 Approved
161 Butler Road, West Harrow, Harrow, HA1 4DX
Certificate of lawful development (proposed): Alterations to roof to form wrap around dor…
P/0361/21
2020 Approved
24 Drury Road, West Harrow, Harrow, HA1 4BY
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Single storey rear extension (demolition of…
P/1549/20
2020 Approved
143 Butler Road, West Harrow, Harrow, HA1 4DX
Certificate of lawful development (proposed): wrap-a-round side to rear dormer; two roofl…
P/0173/20
2019 Approved
12 Drury Road, West Harrow, Harrow, HA1 4BY
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Rear dormer; three rooflights in front roof…
P/5114/19
2019 Approved
131 Butler Road, West Harrow, Harrow, HA1 4DX
Certificate of lawful development (proposed): Alterations to roof to form wrap around dor…
P/2068/19
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