28 GROSVENOR AVENUE HAYES Data via plota.co.uk
Undecided
21088/APP/2026/1504
Description
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development). Data via plota.co.uk
Other new applications on this street
Nearby new applications
Historical activity at this location
14 nearby applications on record - archival context, not part of the live application.
Within ~100m
Nearby activity
2025
Approved
74 GROSVENOR AVENUE HAYES UB4 8NN
Erection of single storey rear extension and an outbuilding to rear garden
2025
Approved
344 LANSBURY DRIVE HAYES UB4 8SW
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Developme…
2024
Approved
330 LANSBURY DRIVE HAYES UB4 8SW
Change of use from a dwellinghouse (Use Class C3) to a 6 person HMO (Use Class C4) (Appli…
2024
Approved
330 LANSBURY DRIVE HAYES UB4 8SW
Construction of a part single part two-storey rear extension following demolition of the…
2024
Approved
330 LANSBURY DRIVE HAYES UB4 8SW
Conversion of roof space to habitable use to include a rear dormer with Juliette balcony…
2021
Approved
86 WEYMOUTH ROAD HAYES UB4 8NH
Conversion of roofspace to habitable use to include a rear dormer roof extension, 3 x fro…
2021
Approved
334 LANSBURY DRIVE HAYES UB4 8SW
Single storey rear extension; new side window and removal of rear chimney.
2021
Refused
334 LANSBURY DRIVE HAYES UB4 8SW
Single storey rear extension and conversion of roof space to habitable use to include a r…
2019
Approved
65 GROSVENOR AVENUE HAYES UB4 8NN
Erection of a single storey rear extension, which would extend beyond the rear wall of th…
2019
Approved
94 GROSVENOR AVENUE HAYES UB4 8NN
Single storey detached outbuilding to rear for use as a gym/store
2018
Approved
94 GROSVENOR AVENUE HAYES UB4 8NN
Single storey rear extension
2017
Approved
360 LANSBURY DRIVE HAYES MIDDLESEX UB4 8SW
Erection of a single storey rear extension, which would extend beyond the rear wall of th…
2017
Approved
86 WEYMOUTH ROAD HAYES UB4 8NH
Single storey rear extension
2017
Refused
360 LANSBURY DRIVE HAYES MIDDLESEX UB4 8SW
Single storey rear extension
Hillingdon
Planning Authority Score
3.6/10
Below average
#212 of 292 councils
Relevant to this application:
Householder decisions
Hillingdon ranks #171 out of 292 councils for householder decision speed. Householder applications are slightly less likely to be approved here (88%) than the national average (90%).
These figures are council-wide context, not a prediction for this application.
View full council performance
Hillingdon decision performance
Based on MHCLG data, 2025
84%
Overall approval rate
Below avg (87%) #220 of 292
88%
Householder approved
Below avg (90%) #219 of 292
61%
Decided in 8 weeks
Below avg (64%) #171 of 292
43%
Extended time limit
Above avg (40%) #170 of 292
67%
Minor dwellings approved
58 decided (1-9 homes)
68%
Change of use approved
19 decided
1,703
Total decisions
276 refused in 2025