UNIT 4, SILVERDALE INDUSTRIAL ESTATE SILVERDALE ROAD HAYES

Undecided 49261/APP/2026/964
Council
Date received
16 Apr 2026
Date validated
16 Apr 2026
Postcode
UB3 3BL

Description

Details pursuant to the discharge of Condition 17 (Materials) and Condition 18 (Living Walls) of planning permission ref. 49261/APP/2024/2904 dated 12-03-26 (Demolition of the existing building and structures on site, and all other associated site clearance works. Construction of a data centre building (Class B8) with plant at roof level with an emergency generator (1no.) and associated flue (provided within an external compound adjoining the data centre building), sprinkler tank and pumphouse, security guard house, and provision of one kiosk substation and MV Building. The development also comprises the construction of a new access and internal road and circulation areas, footpaths, provision of car and bicycle parking, hard and soft landscaping and other associated works and ancillary site infrastructure.)

3.8/10
Planning Authority Score
#200 of 282

Hillingdon ranks #154 out of 282 councils for householder decision speed. Householder applications are slightly less likely to be approved here (88%) than the national average (90%).

Hillingdon decision performance
Based on MHCLG data, 2025
84%
Overall approval rate
Below avg (87%) #213 of 282
88%
Householder approved
Below avg (90%) #211 of 282
69%
Decided in 8 weeks
Below avg (71%) #154 of 282
43%
Extended time limit
Above avg (40%) #164 of 282
67%
Minor dwellings approved
58 decided (1-9 homes)
68%
Change of use approved
19 decided
1,703
Total decisions
276 refused in 2025