22 Whitethorn Welwyn Garden City AL7 3EX

1. 15 Nov 2022

   Received by Welwyn Hatfield

2. 23 Nov 2022

   Validated

   Checked as complete and ready for consideration.

3. 18 Jan 2023

   Decision issued: Granted

4. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 18 January 2023, 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.

• 7 Linces Way Welwyn Garden City AL7 3JN

  6/2021/1502/HOUSE Submitted 11 May 2021 50 yards away

  Erection of single storey rear extension with roof light following the demolition of existing conservatory

  Granted Householder Extension Loft or dormer +1
  Small domestic

• 7 Linces Way Welwyn Garden City AL7 3JN

  6/2021/1516/EMH Submitted 12 May 2021 50 yards away

  Erection of single storey rear extension with roof light, following the demolition of existing conservatory.

  Granted Householder Extension Loft or dormer +1
  Small domestic

• 16 Whitethorn Welwyn Garden City AL7 3EX

  6/2024/1621/EMT Submitted 23 Aug 2024 50 yards away

  Remove three poplar trees.

  Granted Trees

• 21 Whitethorn Welwyn Garden City AL7 3EX

  6/2026/0288/EM Submitted 19 Feb 2026 50 yards away

  Installation of permeable block paved hardstanding

  Granted

• 203 Heronswood Road Welwyn Garden City AL7 3JH

  6/2021/2428/HOUSE Submitted 18 Aug 2021 100 yards away

  Erection of single storey rear extension.

  Granted Householder Extension
  Small domestic

• 199 Heronswood Road Welwyn Garden City AL7 3JH

  6/2021/1990/EM Submitted 30 Jun 2021 100 yards away

  Installation of hardstanding and vehicle crossover

  Granted

• 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