331 St Albans Road West Hatfield Hertfordshire AL10 9RN

1. 1 Sep 2022

   Received by Welwyn Hatfield

2. 15 Sep 2022

   Validated

   Checked as complete and ready for consideration.

3. 6 Apr 2023

   Decision issued: Granted

4. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 6 April 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.

• 331 St Albans Road West Hatfield AL10 9RN

  6/2022/2602/HOUSE Submitted 14 Nov 2022 50 yards away

  Erection of a two storey front to rear side extension, single storey side garage, single storey rear extension and insertion of rear facing dormer to facilitate the conversion of the loft into habitable space following demolition of existing garage and outbuildings

  Granted Householder Extension Loft or dormer +1
  Small domestic

• 331 St Albans Road West Hatfield AL10 9RN

  6/2023/0009/LAWP Submitted 3 Jan 2023 50 yards away

  Certificate of lawfulness for the erection of single storey rear extension and hip to gable loft conversion with rear dormer

  Refused Lawful development Extension Loft or dormer
  Small domestic

• 7 Ellenbrook Crescent Hatfield AL10 9RP

  6/2024/1822/HOUSE Submitted 23 Sep 2024 100 yards away

  Erection of a single storey side and rear extension following the demolition of existing garage/greenhouse and conservatory. New garden side access gate within existing brick boundary wall. Removal of ex chimney stack from side/rear elevation

  Granted Householder Extension Demolition
  Small domestic

• 11 Selwyn Drive Hatfield Hertfordshire AL10 9NH

  6/2024/1388/HOUSE Submitted 19 Jul 2024 100 yards away

  Proposed loft conversion with alterations to the roof to include side and rear dormers, insertion of rooflights and internal alterations

  Refused Householder Loft or dormer
  Domestic

• 9 Ellenbrook Crescent Hatfield Hertfordshire AL10 9RP

  6/2023/0591/HOUSE Submitted 16 Mar 2023 100 yards away

  Erection of single storey rear extension

  Granted Householder Extension
  Small domestic

• 9 Ellenbrook Crescent Hatfield AL10 9RP

  6/2023/0308/PN8 Submitted 8 Feb 2023 100 yards away

  Prior approval for the erection of a single storey rear extension measuring 4.5m in depth, 3.5m in height, 2.25m to the eaves

  Refused Prior approval Extension
  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