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

Pending PL/0515/26
Extensions & alterations
Council
Harrow 5.4/10
Date received
23 Feb 2026
Postcode
HA3 7HS

Description

Certificate of Lawful Proposed Development: Alterations to roof to form rear dormer, Installation of two roof lights in front roof slope

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Other new applications on this street

58 Adderley Road, Harrow Weald, Harrow, HA3 7HT

Certificate of Lawful Development (Proposed): Front porch; alterations and exten...

PL/0804/26 - 18 Apr 2026

Nearby new applications

91 Beverley Gardens, Belmont, Stanmore, Harrow, HA7 2AP

Single storey front extension incorporating front porch; conversion of garage to...

PL/1369/26 - 6 Jun 2026

50 Dryden Road, Harrow Weald, Harrow, HA3 7JZ

Single storey rear extension: 5.95 metres deep, 3.20 metres maximum height and 3...

PL/1479/26 - 4 Jun 2026

5 Montrose Road, Wealdstone, Harrow, HA3 7DX

Certificate of lawful development (proposed); change of use from C3(a) to C3(b) ...

PL/1005/26 - 2 Jun 2026

3 Montrose Road, Wealdstone, Harrow, HA3 7DX

Certificate of lawful development (proposed); change of use from C3(a) to C3(b) ...

PL/1001/26 - 2 Jun 2026

59 Drummond Drive, Stanmore, Harrow, HA7 3PH

Certificate of lawful development (proposed); Alterations and extension to roof ...

PL/1405/26 - 2 Jun 2026

11 College Avenue, Harrow Weald, Harrow

Details pursuant to Conditions 2 (Materials), 3 (Cycle storage), 4 (Refuse stora...

PL/1065/26 - 23 May 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025
58 Adderley Road, Harrow Weald, Harrow, HA3 7HT
Single storey rear extension: 6.00 metres deep, 3.14 metres maximum height and 2.80 metre…
PL/3166/25
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
86 Bishop Ken Road, Harrow Weald, Harrow, HA3 7HR
Single Storey Rear Extension: 6.00 metres deep, 3.45 metres maximum height, 3.00 metres h…
P/2654/21/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
84 Bishop Ken Road, Harrow Weald, Harrow, HA3 7HR
Single storey side to rear extension (Retrospective); Proposed alterations to front eleva…
P/3439/20
2020 Approved
84 Bishop Ken Road, Harrow Weald, Harrow, HA3 7HR
Single storey side to rear extension (Retrospective); Proposed alterations to front eleva…
P/3438/20
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
84 Bishop Ken Road, Harrow Weald, Harrow, HA3 7HR
Single storey side to rear extension (Retrospective); Proposed alterations to front eleva…
P/1986/20
2020 Approved
84 Bishop Ken Road, Harrow Weald, Harrow, HA3 7HR
Single storey side to rear extension on dwellinghouse (Retrospective); Proposed alteratio…
P/1987/20
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
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
2016 Approved
46 Adderley Road, Harrow, HA3 7HT
Single storey rear extension: extending 6 metres beyond the original rear wall 2.96 Metre…
P/4524/16
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
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
5.4/10
Average
#125 of 292 councils
Relevant to this application:
Householder decisions

Harrow is faster than most councils at deciding householder applications, ranking #88 out of 292. 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 performance
Based on MHCLG data, 2025
78%
Overall approval rate
Below avg (87%) #270 of 292
83%
Householder approved
Below avg (90%) #255 of 292
74%
Decided in 8 weeks
Above avg (64%) #88 of 292
31%
Extended time limit
Below avg (40%) #60 of 292
49%
Minor dwellings approved
136 decided (1-9 homes)
100%
Major dwellings approved
4 decided (10+ homes)
54%
Change of use approved
24 decided
1,316
Total decisions
287 refused in 2025
Source: MHCLG planning statistics · See full council rankings