Plot 3 Maylands Avenue Hemel Hempstead Hertfordshire HP2 4FQ

With planning case officer 26/00267/MFA
Council
Date received
9 Feb 2026
Date validated
9 Feb 2026
Postcode
HP2 4FQ

Description

Site clearance works and 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 tanks and pumphouse, security guard house, and provision of kiosk substation. 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.

7/10
Planning Authority Score
#43 of 277

Dacorum is faster than most councils at deciding householder applications, ranking #71 out of 277. Only 24% of applications have the time limit extended, well below the 40% national average - the council usually decides on time. Householder applications are slightly more likely to be approved here (91%) than the national average (90%).

Dacorum decision performance
Based on MHCLG data, 2025
89%
Overall approval rate
Above avg (87%) #127 of 277
91%
Householder approved
Above avg (90%) #157 of 277
83%
Decided in 8 weeks
Above avg (71%) #71 of 277
24%
Extended time limit
Below avg (40%) #27 of 277
78%
Minor dwellings approved
133 decided (1-9 homes)
85%
Major dwellings approved
13 decided (10+ homes)
71%
Change of use approved
21 decided
1,137
Total decisions
125 refused in 2025