3 Onslow Close Hatfield AL10 8BU

1. 20 Dec 2022

   Received by Welwyn Hatfield

2. 27 Feb 2023

   Decision issued: Granted

3. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 27 February 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.

• 54 St Etheldredas Drive Hatfield AL10 8BZ

  6/2026/1112/HOUSE Submitted 26 Jun 2026 100 yards away

  Proposed erection of a detached garden room/studio building within the rear garden

  Granted Householder
  Small domestic

• 8 Breaks Road Hatfield AL10 8TR

  6/2023/0259/HOUSE Submitted 2 Feb 2023 150 yards away

  Proposed garage conversion and all associated works

  Granted Householder
  Small domestic

• 5 and 7 Breaks Road Hatfield AL10 8TR

  6/2021/1621/FULL Submitted 20 May 2021 200 yards away

  Conversion of 5 and 7 Breaks Road into a single dwelling with alterations to the ground floor façade

  Granted Full applications
  Domestic

• 10 Bury Road Hatfield AL10 8BJ

  6/2023/0179/FULL Submitted 25 Jan 2023 250 yards away

  Change of use from taxi booking office to kitchen for preparation of food for delivery service with the erection of external chimney to house an extraction flue

  Granted Full applications

• 20 Cranborne Road Hatfield AL10 8AP

  6/2024/1568/HOUSE Submitted 16 Aug 2024 250 yards away

  Erection of single storey rear infill extension, removal of rear chimney stack and insertion of new first floor rear window and doors

  Granted Householder Extension Windows or glazing
  Small domestic

• Stellantis & You Hatfield 1 Great North Road Hatfield AL9 5JA

  6/2026/1027/ADV Submitted 11 Jun 2026 250 yards away

  Installation of various signage x3 facade totems and logo signs, shield sign, logo sign, name sign, mainstream street totem, intro totem, x3 flagpoles and banners, x2 brand totems.

  Granted Advertising

• 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