51 St Andrews Drive, Stanmore, Harrow, HA7 2LY

Pending PL/0468/26
Extensions & alterations
Council
Harrow 5.4/10
Date received
23 Feb 2026
Postcode
HA7 2LY

Description

Single storey rear extension

Get alerts nearby Council site ↗

Other new applications on this street

32 St Andrews Drive, Stanmore, Harrow, HA7 2NB

Single storey rear extension: 6.00 metres deep, 3.20 metres maximum height and 3...

PL/1046/26 - 21 Apr 2026

Nearby new applications

22 Derwent Crescent, Stanmore, Harrow, HA7 2NF

Certificate of lawful development (proposed): Conversion of garage into habitabl...

PL/1459/26 - 4 Jun 2026

22 Derwent Crescent, Stanmore, Harrow, HA7 2NF

Single storey rear extension: 6.00 metres deep, 3.15 metres maximum height and 3...

PL/1431/26 - 29 May 2026

32 Broadcroft Avenue, Stanmore, Harrow, HA7 1PB

Conversion of dwelling into two flats (1 X 3 bed and 1 X 1 bed); front porch; co...

PL/1099/26 - 23 May 2026

36 Bromefield, Stanmore, Harrow, HA7 1AE

Certificate of Lawful Development (Existing): Outbuilding at rear for use incide...

PL/1282/26 - 19 May 2026

110 Wetheral Drive, Stanmore, Harrow, HA7 2HJ

Conversion of garage into habitable room; replacement of garage door with window

PL/0870/26 - 14 May 2026

BREDON, 2 Oak Tree Close, Stanmore, Harrow, HA7 2PX

Details pursuant to conditions 8 (biological enhancements), 9 (landscaping) & 16...

PL/0747/26 - 30 Apr 2026

Historical activity at this location

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

This property

Previous applications at this address

2023 Approved
First floor side to rear extension; external alterations
P/1127/23
Within ~100m

Nearby activity

2025 Approved
2 Gyles Park, Stanmore, Harrow, HA7 1AW
Two storey side to rear extension, Single storey rear extension, Juliette balcony in firs…
PL/1087/25
2025 Approved
2 Gyles Park, Stanmore, Harrow, HA7 1AW
Single storey rear extension: 6.00 metres deep, 3.40 metres maximum height and 3.00 metre…
PL/0547/25
2024 Approved
47 St Andrews Drive, Stanmore, Harrow, HA7 2LY
Single storey rear extension: 6.00 metres deep, 3.40 metres maximum height and 3.00 metre…
PL/2956/24
2024 Approved
47 St Andrews Drive, Stanmore, Harrow, HA7 2LY
Single storey front extension incorporating porch, Single and two storey side to rear ext…
PL/2980/24
2024 Approved
15 St Andrews Drive, Stanmore, Harrow, HA7 2LY
Single storey side extension, Conversion of garage to habitable room, Replacement of gara…
PL/2629/24
2024 Approved
45 St Andrews Drive, Stanmore, Harrow, HA7 2LY
First floor side to rear extension; installation of rooflights to side and rear roofslope…
PL/2514/24
2022 Approved
57 St Andrews Drive, Stanmore, Harrow, HA7 2LY
Single storey front to side extension; single storey rear extension; external alterations…
P/2974/22
2021 Approved
3 Coledale Drive, Stanmore, Harrow, HA7 2QB
Single storey side to rear extension; external alterations (demolition of attached garage…
P/2328/21
2020 Approved
45 St Andrews Drive, Stanmore, Harrow, HA7 2LY
First floor side to rear extension; alterations and extension to roof; rooflights in side…
P/4591/20
2020 Approved
16 Gyles Park, Stanmore, Harrow, HA7 1AW
Single storey rear extension: 5.00 metres deep, 3.00 metres maximum height and 3.00 metre…
P/4573/20/PRIOR
2020 Withdrawn
16 Gyles Park, Stanmore, Harrow, HA7 1AW
Single storey rear extension: 6.00 metres deep, 6.00 metres maximum height and 3.00 metre…
P/4024/20/PRIOR
2020 Approved
12 Gyles Park, Stanmore, Harrow, HA7 1AW
Single storey rear extension: 6.00 metres deep, 3.15 metres maximum height and 3.00 metre…
P/4025/20/PRIOR
2020 Approved
30 St Andrews Drive, Stanmore, Harrow, HA7 2NB
Single storey front extension incorporating front porch; two storey side to rear extensio…
P/1165/20
2020 Approved
21 St Andrews Drive, Stanmore, Harrow, HA7 2LY
First floor side extension
P/0546/20
2019 Approved
21 St Andrews Drive, Stanmore, Harrow, HA7 2LY
Single storey front extension incorporating porch; single storey side to rear extension…
P/4530/19
2019 Withdrawn
21 St Andrews Drive, Stanmore, Harrow, HA7 2LY
First floor side extension; external alterations
P/4651/19
2019 Approved
36 St Andrews Drive, Stanmore, Harrow, HA7 2NB
First floor side and rear extensions
P/4642/19
2019 Approved
36 St Andrews Drive, Stanmore, Harrow, HA7 2NB
First floor side infill extension; External alterations
P/4641/19
2019 Refused
36 St Andrews Drive, Stanmore, Harrow, HA7 2NB
Alterations to roof to form end gable and rear dormer; installation of three rooflights i…
P/3325/19
2019 Approved
36 St Andrews Drive, Stanmore, Harrow, HA7 2NB
Single storey front extension incorporating front porch; single storey side to rear exten…
P/3324/19
2017 Approved
26 St Andrews Drive, Stanmore, HA7 2NB
Single storey front extension incorporating front porch; two storey side to rear extensio…
P/1355/17
2016 Approved
50 Gyles Park, Stanmore, HA7 1AW
Single storey front extension incorporating front porch two storey side extension and sin…
P/2578/16
2016 Approved
50 Gyles Park, Stanmore, HA7 1AW
Single storey rear extension: extending 5 metres beyond the original rear wall 3 metres m…
P/2636/16
2016 Approved
50 Gyles Park, Stanmore, HA7 1AW
Single storey front extension incorporating front porch two storey side extension and sin…
P/0713/16
2016 Approved
24 Gyles Park, Stanmore, HA7 1AW
Single storey front single and two storey side to rear extension and single storey rear e…
P/0375/16
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