Kingsdale House Windsor Road Welwyn AL6 9LA

1. 2 Mar 2026

   Received by Welwyn Hatfield

2. 4 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 2 Jul 2026

   Decision issued: Granted

4. 24 Jul 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 2 July 2026, 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.

• 10 Lancaster Way Welwyn AL6 9LD

  6/2026/0238/HOUSE Submitted 11 Feb 2026 100 yards away

  Erection of a single storey rear and two-storey side extension and the formation of a vehicular access to the highway

  Granted Householder Extension
  Small domestic

• 7 Norman Road Welwyn AL6 9JW

  6/2021/1549/PN8 Submitted 13 May 2021 100 yards away

  Prior approval for the erection of a single storey rear extension measuring 4.10m in depth, 3.74m in height and 2.55 to the eaves

  Granted Prior approval Extension
  Small domestic

• 43 Windsor Road Welwyn AL6 9JY

  6/2023/0257/LAWP Submitted 2 Feb 2023 100 yards away

  Certificate of lawfulness for single storey side and rear extension

  Granted Lawful development Extension
  Small domestic

• Horseshoe Plantation & Cooks Wood Welwyn AL6 9JZ

  6/2023/0441/TPO Submitted 27 Feb 2023 150 yards away

  T1146 - Sycamore- To fell - cavity at base of tree, leaning towards residential property T1147- Oak- To fell/monolith at 5m- heavily declining Oak, evidence of decay around base, within falling distance of residential property G1148- 2x Oaks- Remove dead wood over highway. 2x Oaks, significant dead wood over highway G1149- 2xAsh- To fell- 2x Ash trees exhibiting advanced stages of Ash Dieback T1150- Oak- remove dead wood over highway- declinging Oak, significant dead wood over highway T1151- Ash- To fell- heavily clad in Ivy, exhibiting signs of Ash Dieback, evidence of decay on buttress roots UT001- Ash- To fell- heavily clad in Ivy with evidence of recent failures, leaning over foot path and highway TPO 524 (2016) W1

  Granted Trees

• 65 London Road Welwyn AL6 9HU

  6/2023/0553/HOUSE Submitted 13 Mar 2023 150 yards away

  Erection of a part single, part two storey rear extension and front porch

  Granted Householder Extension
  Small domestic

• Sandyhurst 1 Welwyn By Pass Road Welwyn AL6 9HT

  6/2024/2022/COND Submitted 21 Oct 2024 200 yards away

  Submission of details pursuant to condition Condition 2 (Surface Water Drainage) on planning permission 6/2020/3418/MAJ

  Granted Conditions 3 docs

• 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