88 Cavendish Avenue, Sudbury, Harrow, HA1 3RQ Data via plota.co.uk
Grant
PL/1196/26 - Certificate of Lawful Development Proposed
Description
Certificate of lawful development (proposed): Single storey rear extension Data via plota.co.uk
Other new applications on this street
Nearby new applications
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63 Cavendish Avenue, Sudbury, Harrow, HA1 3RF
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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
63 Cavendish Avenue, Sudbury, Harrow, HA1 3RF
Single and two storey side to rear extension; rear dormer; external alterations
2025
63 Cavendish Avenue, Sudbury, Harrow, HA1 3RF
Single and two storey side to rear extension; alterations to roof to form end gable and r…
2025
63 Cavendish Avenue, Sudbury, Harrow, HA1 3RF
Single and two storey side to rear extension; single storey rear extension; one rooflight…
2025
116 Cavendish Avenue, Sudbury, Harrow, HA1 3RQ
First floor side extension, External alterations
2024
Approved
63 Cavendish Avenue, Sudbury, Harrow, HA1 3RF
Single storey rear extension: 5.00 metres deep, 3.00 metres maximum height and 3.00 metre…
2024
Approved
69 Cavendish Avenue, Sudbury, Harrow, HA1 3RF
Single storey rear extension (Demolition of rear conservatory)
2024
Approved
67 Cavendish Avenue, Sudbury, Harrow, HA1 3RF
change of use of a residential dwelling (Use Class C3) to a residential care home for fou…
2024
Approved
82 Cavendish Avenue, Sudbury, Harrow, HA1 3RQ
Single storey side extension; single storey rear extension; front porch
2023
Approved
92 Cavendish Avenue, Sudbury, Harrow, HA1 3RQ
Single storey side to rear extension; first floor rear extension; external alterations (d…
2023
Approved
92 Cavendish Avenue, Harrow, HA1 3RQ
Single storey side to rear extension; first floor rear extension; external alterations (d…
2023
Approved
67 Cavendish Avenue, Sudbury, Harrow, HA1 3RF
Single and two storey side to rear extension; single storey rear extension; rear dormer…
2023
Approved
106 Cavendish Avenue, Sudbury, Harrow, HA1 3RQ
Detached outbuilding at rear
2022
Refused
92 Cavendish Avenue, Sudbury, Harrow, HA1 3RQ
Single storey side to rear extension; first floor rear extension; external alterations (d…
2022
Refused
92 Cavendish Avenue, Sudbury, Harrow, HA1 3RQ
Single storey side to rear extension; external alterations
2022
Withdrawn
92 Cavendish Avenue, Sudbury, Harrow, HA1 3RQ
INVALID - Single storey side to rear extension
2021
Approved
65 Cavendish Avenue, Sudbury, Harrow, HA1 3RF
Single storey front extension incorporating front porch; single storey side to rear exten…
2021
Refused
92 Cavendish Avenue, Sudbury, Harrow, HA1 3RQ
Single storey rear extension: 6.00 metres deep, 4.00 metres maximum height and 4.00 metre…
2021
Refused
86 Cavendish Avenue, Sudbury, Harrow, HA1 3RQ
Single Storey Rear Extension: 6.00 metres deep, 3.32 metres maximum height and 3.09 metre…
2021
Refused
65 Cavendish Avenue, Sudbury, Harrow, HA1 3RF
Single storey front extension incoporating front porch; single and two storey side extens…
2021
Refused
86 Cavendish Avenue, Sudbury, Harrow, HA1 3RQ
Single storey rear extension: 6.00 metres deep, 3.30 metres maximum height and 2.98 metre…
2016
Approved
116 Cavendish Avenue, Harrow, HA1 3RQ
Single storey front side and rear extension; front porch
2016
Approved
89 Cavendish Avenue, Harrow, HA1 3RF
Single storey rear extension: extending 5.1 Metres beyond the original rear wall 3.4 Metr…
2016
Approved
73 Cavendish Avenue, Harrow, HA1 3RF
Single storey front extension; two storey side to rear extension; single storey rear exte…
2016
Approved
116 Cavendish Avenue, Harrow, HA1 3RQ
Single storey front extension; single storey side to rear extension; front porch
2016
Approved
116 Cavendish Avenue, Harrow, HA1 3RQ
Alterations to roof to form end gable with window in side; rear dormer with juliette balc…
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 performance
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