Units 4 To 5 Riverside Industrial Estate London Colney Bypass London Colney Hertfordshire

Decided 26/0532/ADJ
Council
Date received
21 Apr 2026
Date validated
21 Apr 2026
Postcode
AL2 1JU

Description

Submission of Reserved Matters (details of appearance, landscaping, layout and scale) following Outline permission 5/2025/1841 dated 25/03/2026 for Variation of Condition 3 (approved plans) to amend the approved Parameter Plan including minor variation to the Development Zone 1B boundary to increase the landscaping buffer, amend the building height restrictions in Development Zone 1A and the finished floor levels in Development Zone 1C and variation of Condition 12 (plant and barriers) to allow building flues up to 1 metre above the maximum building height of planning permission 5/2022/2966 dated 03/01/2024 for Outline application (access sought) for the demolition of existing buildings and the development of 7.57ha to provide flexible commercial/employment space falling within either Class B8 (Storage and Distribution) or a data centre and strategic landscaping with matters of access, layout, scale, appearance and other landscaping reserved. Application reference: 5/2026/0719. (Consultation for Adjacent Authority Application.)

3.1/10
Planning Authority Score
#230 of 282

Hertsmere is slower than most councils at deciding householder applications, ranking #237 out of 282. The council extends the time limit on 55% of applications - one of the highest rates in England. Expect your application to take longer than the standard deadline. Householder applications are slightly more likely to be approved here (94%) than the national average (90%).

Hertsmere decision performance
Based on MHCLG data, 2025
93%
Overall approval rate
Above avg (87%) #61 of 282
94%
Householder approved
Above avg (90%) #104 of 282
52%
Decided in 8 weeks
Below avg (71%) #237 of 282
55%
Extended time limit
Above avg (40%) #241 of 282
84%
Minor dwellings approved
102 decided (1-9 homes)
75%
Major dwellings approved
8 decided (10+ homes)
88%
Change of use approved
25 decided
749
Total decisions
56 refused in 2025