3 Dorchester Avenue, North Harrow, Harrow, HA2 7AX
Pending
PL/0484/26
Description
Single storey rear extension; external alterations
Other new applications on this street
Nearby new applications
186 The Ridgeway, North Harrow, Harrow, HA2 7DD
Single storey front extension incorporating front porch; single storey side to r...
36 Alfriston Avenue, North Harrow, Harrow, HA2 7EF
Single storey front extension incorporating front porch; single and two storey s...
399 Pinner Road, North Harrow, Harrow, HA1 4HN
Single and two storey side extension; Single storey rear extension; Alterations ...
34 Parkthorne Drive, North Harrow, Harrow, HA2 7BU
Certificate of Lawful Proposed Development: Single storey rear extension
170 Whitmore Road, West Harrow, Harrow, HA1 4AQ
Single storey side to rear extension
157 Butler Road, West Harrow, Harrow, HA1 4DX
Single storey side extension; external alterations
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
Within ~100m
Nearby activity
2024
Approved
12 Beaumont Avenue, North Harrow, Harrow, HA2 7AT
Single storey rear extension: 6.00 metres deep, 3.10 metres maximum height and 2.65 metre…
2024
Approved
8 Beaumont Avenue, North Harrow, Harrow, HA2 7AT
Single storey rear extension: 4.00 metres deep, 3.73 metres maximum height and 2.76 metre…
2024
Refused
12 Beaumont Avenue, North Harrow, Harrow, HA2 7AT
Single storey rear extension: 6.00 metres deep, 3.60 metres maximum height and 3.30 metre…
2024
Withdrawn
12 Dorchester Avenue, North Harrow, Harrow, HA2 7AY
Construction of a two storey dwelling (1 x 3 beds); amenity space; access; boundary treat…
2024
Withdrawn
8 Beaumont Avenue, North Harrow, Harrow, HA2 7AT
Single storey rear extension: 6.00 metres deep, 3.73 metres maximum height and 2.76 metre…
2023
Approved
55 Dorchester Avenue, North Harrow, Harrow, HA2 7AX
Construction of attached garage to side at rear; external alterations (demolition of gara…
2022
Refused
36 Dorchester Avenue, North Harrow, Harrow, HA2 7AU
Single storey rear conservatory extension
2020
Refused
55 Dorchester Avenue, North Harrow, Harrow, HA2 7AX
Single Storey Rear Extension: 6 metres deep, 4 metres maximum height, 3 metres high to th…
2021
Approved
55 Dorchester Avenue, North Harrow, Harrow, HA2 7AX
Single storey rear extension
2020
Approved
5 Dorchester Avenue, Harrow, HA2 7AX
Single storey rear extension loft conversion with rear dormer and associated alterations…
2020
Approved
20 Dorchester Avenue, Harrow, HA2 7AY
Single storey rear extension
2020
Refused
55 Dorchester Avenue, North Harrow, Harrow, HA2 7AX
Single Storey Rear Extension: 6 metres deep, 4 metres maximum height, 3 metres high to th…
2020
Approved
20 Dorchester Avenue, North Harrow, Harrow, HA2 7AY
Single Storey Rear Extension: 5.00 metres deep, 4.00 metres maximum height, 3.00 metres h…
2020
Approved
5 Dorchester Avenue, North Harrow, Harrow, HA2 7AX
Single Storey Rear Extension: 6.00 metres deep, 3.47 metres maximum height, 3.00 metres h…
2020
Approved
31 Dorchester Avenue, North Harrow, Harrow, HA2 7AX
Front porch (demolition of front porch)
2020
Approved
29 Dorchester Avenue, North Harrow, Harrow, HA2 7AX
Single Storey Rear Extension: 4.5 metres deep, 3.5 metres maximum height, 3.2 metres high…
2019
Approved
1 Dorchester Avenue, Harrow, HA2 7AX
Single storey front extension incorporating front porch; single and two storey side exten…
2019
Approved
31 Dorchester Avenue, North Harrow, Harrow, HA2 7AX
Single Storey Rear Extension: 4.5 metres deep, 3.7 metres maximum height, 3.5 metres high…
2019
Approved
57 Dorchester Avenue, North Harrow, Harrow, HA2 7AX
Two storey side extension; installation of rooflight in front and side roofslope (Demolit…
2018
Approved
1 Dorchester Avenue, Harrow, HA2 7AX
Alterations to roof to form end gables rear dormer window in end gable single storey fron…
2017
Approved
63 Dorchester Avenue, Harrow, HA2 7AX
Single storey outbuilding in rear garden (demolition of garage)
2017
Approved
63 Dorchester Avenue, Harrow, HA2 7AX
Single storey rear extension: extending 6 metres beyond the original rear wall 3.81 Metre…
2024
Approved
8 Beaumont Avenue, North Harrow, Harrow, HA2 7AT
CERTIFICATE OF LAWFUL DEVELOPMENT(PROPOSED): Alterations and extension to roof to form en…
2023
Approved
15 Dorchester Avenue, North Harrow, Harrow, HA2 7AX
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable, rear…
2021
Approved
16 Beaumont Avenue, North Harrow, Harrow, HA2 7AT
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED):Single Storey rear extension
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