12 Hadleigh Close, Harrow, HA2 8FA Data via plota.co.uk

Prior Approval not required PL/0954/26 - Prior Notification - Larger Home Extension
Extensions & alterations
Council
Harrow 5.4/10
Date received
18 Apr 2026
Postcode
HA2 8FA
Type
Prior Notification - Larger Home Extension

Description

Single storey rear extension: 4.00 metres deep, 2.60 metres maximum height and 2.50 metres high to the eaves Data via plota.co.uk

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Historical activity at this location

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

Within ~100m

Nearby activity

2025
43 Alexandra Avenue, Rayners Lane, Harrow, HA2 8PQ
Single storey rear extension: 6.00 metres deep, 3.40 metres maximum height and 3.00 metre…
PL/3306/25
2024 Approved
22 Somervell Road, South Harrow, Harrow, HA2 8TU
Single storey front infill extension; single storey rear extension; conversion of garage…
PL/1718/24
2023 Approved
3 Somervell Road, South Harrow, Harrow, HA2 8TY
Single storey rear extension: 6.00 metres deep, 3.70 metres maximum height and 3.00 metre…
PL/0653/23
2023 Approved
8 Somervell Road, South Harrow, Harrow, HA2 8TU
Single storey rear extension: 6.00 metres deep, 2.80 metres maximum height and 2.80 metre…
P/2413/23/PRIOR
2023 Refused
16 Somervell Road, South Harrow, Harrow, HA2 8TU
Conversion of dwelling into two flats (1 x 1 bed and 1 x 2 bed); parking; bin and cycle s…
P/2465/23
2023 Approved
17 Somervell Road, South Harrow, Harrow, HA2 8TY
Detached outbuilding at rear for use as office (Demolition of detached outbuilding at rea…
P/0612/23
2022 Refused
45 Somervell Road, South Harrow, Harrow, HA2 8TY
Single storey rear extension: 6.00 metres deep, 3.42 metres maximum height and 3.00 metre…
P/2418/22/PRIOR
2022 Approved
45 Somervell Road, South Harrow, Harrow, HA2 8TY
Single storey rear extension: 3.00 metres deep, 3.42 metres maximum height and 3.00 metre…
P/1716/22/PRIOR
2021 Approved
16 Somervell Road, South Harrow, Harrow, HA2 8TU
Single storey front extension incorporating front porch; single and two storey side exten…
P/0500/21
2021 Approved
67 Alexandra Avenue, Harrow, HA2 8PQ
Alterations and extension to roof to raise ridge height; side dormers; rooflights in fron…
P/3948/21
2021 Approved
39 Alexandra Avenue, Rayners Lane, Harrow, HA2 8PQ
Single storey rear extension (demolition of rear extension) and raised patio to rear
P/3407/21
2021 Approved
27 Somervell Road, South Harrow, Harrow, HA2 8TY
Single storey rear extension: 6.00 metres deep, 3.3 metres maximum height and 2.94 metres…
P/2100/21/PRIOR
2021 Approved
4 Hadleigh Close, Harrow, HA2 8FA
Single Storey Rear Extension: 4.00 metres deep, 2.90 metres maximum height, 2.90 metres h…
P/1199/21/PRIOR
2020 Approved
23 Somervell Road, South Harrow, Harrow, HA2 8TY
Single Storey Rear Extension: 6.00 metres deep, 3.40 metres maximum height, 3.00 metres h…
P/3607/20/PRIOR
2019 Approved
32 Somervell Road, South Harrow, Harrow, HA2 8TU
Conversion of garage to habitable room (Raising roof height)
P/2055/19
2019 Approved
41 Somervell Road, South Harrow, Harrow, HA2 8TY
Single Storey Rear Extension: 6 metres deep, 3.65 metres maximum height, 2.68 metres high…
P/1511/19/PRIOR
2019 Approved
10 Somervell Road, South Harrow, Harrow, HA2 8TU
Single storey rear extension; conversion of garage to habitable room; external alterations
P/0128/19
2018 Approved
11 Somervell Road, South Harrow, Harrow, HA2 8TY
Single storey rear infill extension
P/4953/18
2018 Approved
43 Somervell Road, South Harrow, Harrow, HA2 8TY
Single Storey Rear Extension: 4.5 metres deep, 3 metres maximum height and 2.8 metres hig…
P/5065/18/PRIOR
2018 Approved
67 Alexandra Avenue, Harrow, HA2 8PQ
Alterations and extension to raise roof ridge height; two side dormers; two rooflights in…
P/2374/18
2017 Approved
29 Alexandra Avenue, Harrow, HA2 8PQ
Single storey rear extension: extending 4 metres beyond the original rear wall 4 metres m…
P/3151/17/PRIOR
2017 Approved
3 Alexandra Avenue, Harrow, HA2 8PQ
Conversion of dwelling into two flats; bin and cycle stores
P/0103/17
2016 Approved
67 Alexandra Avenue, Harrow, HA2 8PQ
Single storey rear extension
P/3707/16
2016 Approved
67 Alexandra Avenue, Harrow, HA2 8PQ
Single storey rear extension: extending 6 metres beyond the original rear wall 3 metres m…
P/3140/16
2016 Approved
3 Alexandra Avenue, Harrow, HA2 8PQ
Conversion of single dwelling to two flats; alterations to roof to form end gable with wi…
P/2072/16
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