European Knowledge Centre Eisai Limited Mosquito Way Hatfield AL10 9SN Data via plota.co.uk
Pending
6/2026/0321/COND
Description
Submission of details pursuant to Conditions 1 (Construction Management Plan), 2 (Surface Water Drainage), 7 (Planting Methods and Soft Landscaping) and Condition 8 (Cycle Shelter and Cycle Provision) on planning permission 6/2022/1853/MAJ Data via plota.co.uk
Other new applications on this street
Nearby new applications
Historical activity at this location
14 previous applications on record - archival context, not part of the live application.
This property
Previous applications at this address
Within ~100m
Nearby activity
2024
Approved
Eisai Manufacturing European Knowledge Centre Mosquito Way Hatfield AL10 9SN
Retention of two portakabin storage buildings
2023
Approved
Eisai Manufacturing European Knowledge Centre Mosquito Way Hatfield AL10 9SN
Retention of one of two Portakabin buildings installed following the planning approval re…
2023
Approved
Eisai Manufacturing European Knowledge Centre Mosquito Way Hatfield AL10 9SN
Retention of one of two Portakabin buildings installed following the planning approval re…
2021
Approved
Eisai Europe Limited European Knowledge Centre Mosquito Way Hatfield AL10 9SN
Erection of chemical storage units
2021
Approved
Eisai Europe Limited European Knowledge Centre Mosquito Way Hatfield AL10 9SN
Erection of chemical storage units
2021
Approved
European Knowledge Centre Eisai Manufacturing Mosquito Way Hatfield AL10 9SN
Installation of three storage containers
2021
Approved
European Knowledge Centre Eisai Manufacturing Mosquito Way Hatfield AL10 9SN
Installation of three storage containers
2021
Approved
Eisai Limited European Knowledge Centre Mosquito Way Hatfield AL10 9SN
Installation of two Portakabin buildings to be used for storage for a temporary period of…
2021
Approved
Eisai Limited European Knowledge Centre Mosquito Way Hatfield AL10 9SN
Installation of two Portakabin buildings to be used for storage for a temporary period of…
2020
Approved
Eisai Europe Limited, European Knowledge Centre, Mosquito Way, Hatfield, AL10 9SN
Erection of a two storey and two single storey link extensions to building and alteration…
2020
Approved
Eisai Europe Limited, European Knowledge Centre, Mosquito Way, Hatfield, AL10 9SN
Erection of a two storey and two single storey link extensions to building and alteration…
2020
Approved
Eisai Limited European Knowledge Centre Mosquito Way Hatfield AL10 9SN
Installation of 2x Portakabin buildings for 3 years
2020
Approved
Eisai Limited European Knowledge Centre Mosquito Way Hatfield AL10 9SN
Installation of 2x Portakabin buildings for 3 years
Welwyn Hatfield
Planning Authority Score
2.2/10
Poor
#262 of 292 councils
Relevant to this application:
Householder decisions
Welwyn Hatfield is slower than most councils at deciding householder applications, ranking #221 out of 292. 50% of applications have the time limit extended, above the 40% national average. Householder applications are slightly less likely to be approved here (87%) than the national average (90%).
Slower than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application.
View full council performance
Welwyn Hatfield decision performance
Based on MHCLG data, 2025
88%
Overall approval rate
Above avg (87%) #159 of 292
87%
Householder approved
Below avg (90%) #230 of 292
54%
Decided in 8 weeks
Below avg (64%) #221 of 292
50%
Extended time limit
Above avg (40%) #229 of 292
85%
Minor dwellings approved
62 decided (1-9 homes)
93%
Major dwellings approved
14 decided (10+ homes)
83%
Change of use approved
23 decided
630
Total decisions
78 refused in 2025