Land to the rear of 63 and 65 Pine Grove Brookmans Park AL9 7BL

1. 23 Mar 2026

   Received by Welwyn Hatfield

2. 25 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 20 May 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Welwyn Hatfield took a median of 58 days over the applications it decided in the last year.

This application is with Welwyn Hatfield for determination, against a statutory target of eight weeks. Over the last year Welwyn Hatfield decided full applications in a median of 102 days. More in our guide to how long planning decisions take.

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.

• Chancellor's School Pine Grove Brookmans Park Hatfield AL9 7BN

  6/2021/0995/FULL Submitted 25 Mar 2021 50 yards away

  Erection of external fire escape stair to teaching block and replacement curtain walling and insertion of new door to enable escape and stair access.

  Granted Full applications Windows or glazing

• 69 Pine Grove Brookmans Park Hertfordshire AL9 7BL

  6/2024/1096/FULL Submitted 13 Jun 2024 50 yards away

  Erection of a two-storey disability adapted dwelling to include hydro-therapy pool room following the demolition of existing dwelling

  Granted Full applications Demolition
  Domestic

• Chancellors School Pine Grove Hatfield AL9 7BN

  6/2021/2363/FULL Submitted 10 Aug 2021 50 yards away

  Erection of a new single storey outbuilding for use as new site office

  Granted Full applications 1 doc
  Small domestic

• 53 Pine Grove Brookmans Park AL9 7BL

  6/2026/1347/TPO Submitted 31 Jul 2026 100 yards away

  97% historically approved · decision due ~1 Oct

  T1 Horse Chestnut 1m full crown reduction T2 Hornbeam 2m full crown reduction (covered by TPO468, TPO1054 (2023) &TPO981)

  Awaiting decision Trees

• 49 Pine Grove Brookmans Park AL9 7BL

  6/2023/0488/HOUSE Submitted 3 Mar 2023 150 yards away

  Erection of gates and railings following demolition of existing boundary wall

  Refused Householder Demolition
  Small domestic

• 82 Pine Grove Hatfield AL9 7BW

  6/2021/0909/HOUSE Submitted 22 Mar 2021 150 yards away

  Replacement roof with side and rear dormers, first floor side/rear/front extension and single storey side extension

  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