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European Knowledge Centre Eisai Limited Mosquito Way Hatfield AL10 9SN

6/2026/0321/CONDAPPROVAL OF DETAILS RESERVED BY CONDITIONApproved
Discharge / amendments

Approved on 7 August 2026

Council decision: GrantedDelegated (officer decision)

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

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

Received
20 February 2026
Decision level
Delegated (officer decision)
Ward
Hatfield Villages
  1. Received20 Feb
  2. Validated23 Feb
  3. Consult.19 Mar
  4. Target
  5. Decided7 Aug

Decided in 165 days (council typically 56)

About this application

This is an application to discharge conditions at European Knowledge Centre Eisai Limited Mosquito Way Hatfield AL10 9SN. Welwyn Hatfield has handled 485 applications of this type. This one was decided in 168 days, 16 weeks longer than Welwyn Hatfield's typical decision time. There are no previous applications recorded at this address. In the past year there have been 47 applications across Hatfield Villages. We hold 207 applications in total for the AL10 postcode area.

89% of conditions applications at Welwyn Hatfield Borough Council were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
AL10 9SN
Application type
APPROVAL OF DETAILS RESERVED BY CONDITION
Parish
Hatfield

Planning application dates

Date validated
23 February 2026
Consultation expiry
19 March 2026
Consultation end
19 March 2026

Applicant and agent

Agent address
Aldgate Tower 2 Leman Street London E1 8FA

Additional information

UPRN
10024372588

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: Article 4 directions and tree preservation orders. Ask the council if these matter.

Also checked, none recorded (22)

flood storage areas, conservation areas, listed buildings, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Source: Welwyn Hatfield

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