COLNE VALLEY VIADUCT, WETLANDS ECOLOGICAL MITIGATION SITE HARVIL ROAD HAREFIELD
Approval
73263/APP/2026/43
Description
Request for approval of Plans and Specifications for reconfiguration of previously approved works within the Colne Valley Viaduct Groundworks South Area 1, on land predominantly alongside Dews Lane and contained between Harvill Road to the east, the Chiltern Railway line to the south and Harefield No.2 Lake to the west, in accordance with Paragraphs 2 and 3 of Schedule 17 to the High Speed Rail (London - West Midlands) Act 2017.
Nearby new applications
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