Toolbank Gypsy Moth Avenue Hatfield Business Park Hatfield AL10 9BS

1. 21 Jul 2021

   Received by Welwyn Hatfield

2. 4 Aug 2021

   Validated

   Checked as complete and ready for consideration.

3. 7 Oct 2021

   Decision issued: Granted

4. 1 Oct 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 7 October 2021, 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.

• Plot 5610 Gypsy Moth Avenue Hatfield AL10 9BS

  6/2026/1066/ADV Submitted 18 Jun 2026 100 yards away

  Installation of 4 x non-illuminated fascia signs

  Granted Advertising

• 5610 Gypsy Moth Avenue Hatfield Business Park Hatfield AL10 9BS

  6/2026/1455/COND Submitted 18 Aug 2026 100 yards away

  90% historically approved · decision due ~13 Oct

  Submission of details pursuant to Condition 4 (Verification Report) on planning permission 6/2022/2759/FULL

  Awaiting decision Conditions

• University Bus Garage Gypsy Moth Avenue Hatfield AL10 9BS

  6/2026/0122/FULL Submitted 26 Jan 2026 150 yards away

  80% historically approved · decision due ~24 Mar

  The installation of electric vehicle infrastructure to convert existing diesel bus fleet to fully electric vehicles (EV)

  Awaiting decision Full applications

• 18 Daisy Drive Hatfield AL10 9FR

  6/2021/0911/HOUSE Submitted 22 Mar 2021 250 yards away

  Retention of rear canopy extension

  Granted Householder Extension
  Domestic

• 25 Daisy Drive Hatfield AL10 9FR

  6/2021/0915/LAWP Submitted 22 Mar 2021 300 yards away

  Certificate of lawfulness for the erection of a loft conversion consisting of a rear dormer and front velux windows

  Refused Lawful development Loft or dormer Windows or glazing

• Unit off Gypsy Moth Avenue, Hatfield

  6/2026/1047/COND Submitted 16 Jun 2026 350 yards away

  Confirmation that planning condition 9 on planning permission S6/1999/1064/OP has been discharged

  Refused Conditions

• 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