19 Pine Grove Brookmans Park AL9 7BP

1. 18 Sep 2026

   Received by Welwyn Hatfield

2. 21 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 7 Oct 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 16 November 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.

• Area to the rear of 33 Pine Grove Brookmans Park AL9 7BP

  6/2021/2045/TPO Submitted 6 Jul 2021 100 yards away

  T1 - Sycamore - Reduce height from 16m to 14m and reduce spread from 8m to 6m. T2 - Silver Birch - reduce height from 16m to 14m and reduce spread from 12m to 11m. T3 - Sycamore - reduce height from 20m to 17m and reduce spread from 12m to 10m. Removal of Ivy.

  Granted Trees

• 32 Pine Grove Brookmans Park AL9 7BS

  6/2024/1987/COND Submitted 15 Oct 2024 100 yards away

  Submission of details pursuant to condition 1 (Drawing no. 24 521 PL 200 proposed landscaping plan) and condition 5 (Drawing no. 24 521 PL 201proposed front boundary wall and gates) on planning permission 6/2024/1216/FULL

  Granted Conditions
  Small domestic

• 32 Pine Grove Brookmans Park AL9 7BS

  6/2024/1216/FULL Submitted 28 Jun 2024 100 yards away

  Erection of a replacement dwelling, new garden building and boundary alterations

  Granted Full applications 1 doc
  Domestic

• 3 Pine Grove Brookmans Park Hatfield AL9 7BP

  6/2021/1596/LAWP Submitted 19 May 2021 150 yards away

  Certificate of lawfulness for the erection of outbuilding containing swimming pool.

  Granted Lawful development

• 36 Pine Grove Brookmans Park Hatfield AL9 7BS

  6/2021/1746/PN8 Submitted 3 Jun 2021 150 yards away

  Prior approval for the erection of a single storey rear extension

  Refused Prior approval Extension
  Small domestic

• 3 Upland Drive Brookmans Park AL9 6PS

  6/2021/1452/HOUSE Submitted 10 May 2021 200 yards away

  Erection of two storey side extension, part single/part first floor rear extension, front porch and rear dormer; increase in height of main roof; insertion of 2no front rooflights, 1no side rooflight and 1no rear rooflight; and external alterations.

  Granted Householder Extension Loft or dormer
  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