20 Tewin Road Welwyn Garden City AL7 1LG

1. 3 Dec 2019

   Received by Welwyn Hatfield

2. 20 Jan 2022

   Decision issued: Granted

3. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 20 January 2022, 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.

• Norton Building Bridge Road East Welwyn Garden City AL7 1JR

  6/2025/2413/VAR Submitted 18 Nov 2025 100 yards away

  90% historically approved · decision due ~13 Jan

  Variation of conditions Condition 9 (Land contamination), Condition 10 (Piling Method Statement and foundation works risk assessment), Condition 12 (Construction Management Plan), Condition 13 (Detailed drawings), Condition 14 (Construction drawings for flooding risk management), Condition 15 (Construction phase surface water management plan), Condition 16 (Water supplies and fire hydrants), Condition 17 (Cycle storage), Condition 18 (Energy saving technologies), Condition 19 (Landscaping details), Condition 20 (Samples of materials), Condition 22 (Survey and verification report for surface water drainage system), Condition 23 (Maintenance and management of the sustainable drainage scheme) Condition 24 (Lighting strategy for bats), Condition 25 (Noise mitigation), Condition 26 (Surface water interception and disposal), Condition 28 (EV charging spaces), Condition 29 (Water efficiency and water reduction measures), Condition 30 (BREEAM certification), Condition 31 (Recycling and waste storage), Condition 32 (Overarching Travel Plan and Plot Travel Plans), Condition 41 (Approved landscaping details) and Condition 42 (Approved Drawings) on planning permission 6/2024/0908/MAJ

  Awaiting decision Amendments 5 docs

• Eastbridge Service Station Bridge Road East Welwyn Garden City AL7 1LE

  6/2021/1423/PN15 Submitted 5 May 2021 100 yards away

  Prior approval for the installation of a 20-metre-high telecommunications monopole accommodating 6x no antenna apertures, plus 6x no ground-based equipment cabinets, within a secure fenced compound, and ancillary development

  Granted Prior approval

• Petrol Filling Station Land adjacent to Bridge Road East Welwyn Garden City AL7 1LE

  6/2024/1496/ADV Submitted 6 Aug 2024 150 yards away

  Installation of 1 x freestanding illuminated advertisement display

  Granted Advertising

• 20 Black Fan Road Welwyn Garden City AL7 1QA

  6/2022/2227/FULL Submitted 27 Sep 2022 150 yards away

  Installation of a “private-wire” electricity cable between the Energy Centre, Tewin Road and Colt Technology Services Group Limited (Option 2).

  Withdrawn Full applications

• 20 Black Fan Road Welwyn Garden City AL7 1QA

  6/2022/2226/FULL Submitted 27 Sep 2022 150 yards away

  Installation of a “private-wire” electricity cable between the Energy Centre, Tewin Road and Colt Technology Services Group Limited (Option 1).

  Granted Full applications

• 20 Black Fan Road Welwyn Garden City AL7 1QA

  6/2022/2228/FULL Submitted 27 Sep 2022 150 yards away

  Installation of a “private-wire” electricity cable between the Energy Centre, Tewin Road and Colt Technology Services Group Limited, 20 Black Fan Road, Welwyn Garden City, AL7 1QA (Option 3).

  Granted Full applications

• 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