Dellsome Power Hatfield Grid Station Dellsome Lane St. Albans Colney Heath AL4 0QT

1. 29 Mar 2021

   Received by Welwyn Hatfield

2. 20 Apr 2021

   Validated

   Checked as complete and ready for consideration.

3. 9 Jul 2021

   Decision issued: Granted

4. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 9 July 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.

• Roundhouse Farm, Land Off of Bullens Green Lane, Colney Heath

  6/2023/0988/VAR Submitted 9 May 2023 0.3 miles away

  Variation to conditions 2 (boundary and surface treatment plan), 3 (fire tracking and parking plan), 4, (visitor spaces on fire tracking and parking plan), 5 (on plot garages on fire tracking and parking plan), 6 (soft landscaping), 7 (Landscape and ecological management plan), 8 (arboricultural method statement) and 10 (approved plans) on planning permission 6/2022/0824/RM

  Withdrawn Amendments 1 doc

• Roundhouse Farm Land off Bullens Green Lane Colney Heath

  6/2024/1719/COND Submitted 6 Sep 2024 0.3 miles away

  Submission of details pursuant to condition number 5 - Part B (Traffic Regulation Order (TRO)) on planning permission 6/2020/2248/OUTLINE

  Refused Conditions

• 50 Bullens Green Lane Hatfield AL4 0QS

  6/2024/1250/LAWE Submitted 4 Jul 2024 0.3 miles away

  Certificate of lawfulness for the existing erection of a shed for business use

  Withdrawn Lawful development
  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