De Havilland Campus Mosquito Way Hatfield AL10 9EU

1. 20 Jun 2024

   Received by Welwyn Hatfield

2. 6 Aug 2024

   Validated

   Checked as complete and ready for consideration.

3. 22 Nov 2024

   Decision issued: Granted

4. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 22 November 2024, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• Land at De Havilland Campus University of Hertfordshire Mosquito Way Hatfield AL10 9UF

  6/2023/0586/FULL Submitted 14 Mar 2023 100 yards away

  Retention of temporary classroom

  Granted Full applications 1 doc

• De Havilland Campus Hertfordshire Sports Village Mosquito Way Hatfield AL10 9EU

  6/2026/0656/FULL Submitted 14 Apr 2026 100 yards away

  Conversion of existing tennis courts to 4 uncovered padel courts with erection of ancillary container

  Withdrawn Full applications

• 3 Ellenbrook Lane Hatfield AL10 9RW

  6/2025/2360/HOUSE Submitted 10 Nov 2025 200 yards away

  87% historically approved · decision due ~13 Jan

  Erection of a part single/double storey rear extension, double storey side extension and front porch

  Awaiting decision Householder Extension
  Small domestic

• 3 Ellenbrook Lane Hatfield AL10 9RW

  6/2022/2780/HOUSE Submitted 7 Dec 2022 200 yards away

  Erection of two storey side and part two storey and single storey rear extension and widening of dropped kerb.

  Refused Householder Extension
  Small domestic

• 331 St Albans Road West Hatfield Hertfordshire AL10 9RN

  6/2022/2033/FULL Submitted 1 Sep 2022 200 yards away

  Erection of a 3-bed dwelling following demolition of existing garage and subdivision of plot, and installation of dropped kerb to facilitate a hardstanding for the existing dwelling

  Granted Full applications Demolition
  Small domestic

• 331 St Albans Road West Hatfield AL10 9RN

  6/2022/2602/HOUSE Submitted 14 Nov 2022 200 yards away

  Erection of a two storey front to rear side extension, single storey side garage, single storey rear extension and insertion of rear facing dormer to facilitate the conversion of the loft into habitable space following demolition of existing garage and outbuildings

  Granted Householder Extension Loft or dormer +1
  Small domestic

• 6/2026/1052/FULL Granted

  Unit 3 Woodside Lane Hatfield AL9 6DE

  Retention of an extension to the existing building and the erection of a rear extension following demolition of existing buildings (part retrospective)

  Received 17 Jun, published by the council 24 Jul 2026 Full applications
• 6/2026/1264/FULL Granted

  53 Brookmans Avenue Brookmans Park AL9 7QG

  Erection of dwelling with boundary wall and gates following demolition of existing property

  Received 17 Jul, published by the council 15 Aug 2026 Full applications
• 6/2026/1337/FULL Granted

  Royal Veterinary College Hawkshead Lane North Mymms AL9 7TA

  Relocation of the Transfusion Medicine Vet Pod and associated parking, landscaping and associated works

  Received 30 Jul, published by the council 9 Aug 2026 Full applications
• 6/2026/1689/MAJ Awaiting decision

  Howlands House Howlands Welwyn Garden City AL7 4QJ

  Erection of a single 3 and 4-storey building comprising 44 temporary accommodation homes, staff office and laundry facilities, children's play space, cycle and vehicular parking, associated servicing, plant enclosure, substation, landscaping and external works.

  Received 25 Sep, published by the council 1 Oct 2026 Full applications
• 6/2026/0952/FULL Granted

  18 Fallowfield Welwyn Garden City AL7 1EE

  Retrospective application for change of use from amenity land to residential land to form part hardstanding and part garden land at the front of the property and installation of a drop kerb

  Received 1 Jun, published by the council 24 Jul 2026 Full applications