58 Adderley Road, Harrow Weald, Harrow, HA3 7HT Data via plota.co.uk

Pending PL/0804/26 - Certificate of Lawful Development Proposed
Extensions & alterations
Council
Harrow 4.9/10
Date received
18 Apr 2026
Postcode
HA3 7HT
Type
Certificate of Lawful Development Proposed

Description

Certificate of Lawful Development (Proposed): Front porch; alterations and extension to roof to form end gable; rear dormer with Juliette balcony; three rooflights in front roof slope 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 149.

Day 149, past the statutory target. 97% of lawful development certificates 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 14993 days past the 56-day target
84%decided within 8 weeks
85%approved
19,862decided in the last year

Plota live figures for lawful development certificates decided across the UK in the last twelve months, from validation; too few recent lawful development certificates 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

29 Jul 2026Pending

13 Adderley Road, Harrow Weald, Harrow, HA3 7HS

Change of use: Dwellinghouse (Class C3) to six bed HMO (Class C4)

PL/1996/26

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10 Sept 2026Pending

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Certificate of lawful development (proposed): Alterations to roof to form end ga...

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22 Aug 2026Pending

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Conversion of dwelling into four flats (2 X Studio, 1 x 1 bed & 1 X 2 bed); sing...

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20 Aug 2026Pending

78 Spencer Road, Wealdstone, Harrow, HA3 7AR

Certificate Of Lawful Development (Proposed): Rear dormer; two rooflights in fro...

PL/2003/26
20 Aug 2026Pending

471 Kenton Lane, Harrow Weald, Harrow, HA3 7JW

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12 Aug 2026Pending

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Historical activity at this location

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

This property

Previous applications at this address

2025 Refused
Certificate of Lawful Development (Proposed): Front porch; alterations and extension to r…
PL/3169/25
2025
Single storey rear extension: 6.00 metres deep, 3.14 metres maximum height and 2.80 metre…
PL/3166/25
Within ~100m

Nearby activity

2025 Approved
101 Church Lane, Wealdstone, Harrow, HA3 7EB
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metre…
PL/1805/25
2025 Approved
2a Adderley Road, Harrow Weald, Harrow, HA3 7HT
Single storey rear extension
PL/0711/25
2022 Refused
36 Adderley Road, Harrow Weald, Harrow, HA3 7HT
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3.00 metre…
P/4136/22/PRIOR
2022 Refused
36 Adderley Road, Harrow Weald, Harrow, HA3 7HT
Single storey rear extension: 6.00 metres deep, 2.80 metres maximum height and 2.80 metre…
P/4137/22/PRIOR
2022 Approved
1 Adderley Road, Harrow Weald, Harrow, HA3 7HS
Re-location of heat pump source unit to rear elevation at first floor level; external alt…
P/3234/22
2022 Approved
35 Adderley Road, Harrow Weald, Harrow, HA3 7HS
Single storey rear extension: 4.00 metres deep, 2.40 metres maximum height and 2.60 metre…
P/2340/22/PRIOR
2022 Refused
35 Adderley Road, Harrow Weald, Harrow, HA3 7HS
Single storey rear extension: 3.00 metres deep, 2.40 metres maximum height and 2.60 metre…
P/1701/22/PRIOR
2021 Approved
64 Adderley Road, Harrow Weald, Harrow, HA3 7HT
Single Storey Rear Extension: 6.00 metres deep, 3.30 metres maximum height, 3.00 metres h…
P/2628/21/PRIOR
2020 Approved
56 Adderley Road, Harrow, HA3 7HT
Structural alterations to form new openings to install 1no window / door and new warm roo…
BN/01128/2020
2020 Approved
103 Church Lane, Wealdstone, Harrow, HA3 7EB
Single Storey Rear Extension: 6.0 metres deep, 3.0 metres maximum height, 3.0 metres high…
P/1199/20/PRIOR
2020 Approved
24 Adderley Road, Harrow, HA3 7HT
Single storey rear extension: 6 metres deep 3.34 Metres maximum height 3.00 Metres high t…
P/0319/20/PRIOR
2017 Approved
52 Adderley Road, Harrow, HA3 7HT
Single storey rear extension: extending 6 metres beyond the original rear wall 2.79 Metre…
P/0974/17/PRIOR
2019 Approved
56 Adderley Road, Harrow Weald, Harrow, HA3 7HT
Single storey rear extension
P/2300/19
2019 Approved
75 Church Lane, Harrow, HA3 7EB
Single storey rear extension: 6 metres deep 3 metres maximum height 2.85 Metres high to t…
P/0360/19/PRIOR
2019 Withdrawn
75 Church Lane, Wealdstone, Harrow, HA3 7EB
Single Storey Rear Extension: 6 metres deep, 3 metres maximum height, 2.85 metres high to…
P/0140/19/PRIOR
2018 Approved
49 Church Lane, Harrow, HA3 7EB
Single storey rear extension: 4.5 Metres deep 3.0 Metres maximum height 2.885 Metres high…
P/5674/18/PRIOR
2018 Approved
60 Adderley Road, Harrow Weald, Harrow, HA3 7HT
Single Storey Rear Extension: 6 metres deep, 3.12 metres maximum height, 2.85 metres high…
P/5143/18/PRIOR
2018 Approved
60 Adderley Road, Harrow, HA3 7HT
Single storey rear extension: 6 metres deep 3.12 Metres maximum height 2.85 Metres high t…
P/4385/18/PRIOR
2018 Approved
39 Adderley Road, Harrow, HA3 7HS
Single and two storey rear extension rear dormer three rooflights in front roofslope to n…
P/3592/18
2018 Approved
54 Adderley Road, Harrow, HA3 7HT
Single storey rear extension: extending 6 metres beyond the original rear wall 3.2 Metres…
P/2836/18/PRIOR
2016 Approved
46 Adderley Road, Harrow, HA3 7HT
Single storey rear extension: extending 6 metres beyond the original rear wall 2.96 Metre…
P/2735/16
2016 Approved
9 Church Lane, Harrow, HA3 7EB
Single storey rear extension: extending 6 metres beyond the original rear wall 3.3 Metres…
P/1824/16
2016 Approved
29 Adderley Road, Harrow, HA3 7HS
Single storey rear extension: extending 5 metres beyond the original rear wall 3.5 Metres…
P/1543/16
2016 Approved
4 Adderley Road, Harrow, HA3 7HT
Single storey rear extension: extending 6 metres beyond the original rear wall 4 metres m…
P/0283/16
2016 Approved
2 Adderley Road, Harrow, HA3 7HT
Single storey rear extension: extending 6 metres beyond the original rear wall 3.3 Metres…
P/0207/16
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