165 Knella Road Welwyn Garden City AL7 3NT

1. 13 Aug 2024

   Received by Welwyn Hatfield

2. 24 Sep 2024

   Decision issued: Prior Approval Not Required

3. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 24 September 2024, 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.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 178 Knella Road Welwyn Garden City AL7 3NN

  6/2026/1316/HOUSE Submitted 27 Jul 2026 100 yards away

  Erection of part single and part two storey rear extension with alterations to openings on rear elevation

  Granted Householder Extension
  Domestic

• Land at rear of 2 Woodfield Road Welwyn Garden City AL7 1JH

  6/2026/0248/FULL Submitted 12 Feb 2026 100 yards away

  Erection of a new building to house a Class 7 MOT testing station in connection with Burrowfields Autos

  Granted Full applications

• Isabel Hospice Head Office 99 Bridge Road East Welwyn Garden City AL7 1GL

  6/2024/2115/COND Submitted 1 Nov 2024 150 yards away

  Submission of details pursuant to Condition 1 (Trees), Condition 2 (Landscaping), Condition 7 (Tactile paving crossing) Condition 8 (Travel Plan), Condition 10 (Cycle parking), Condition 11 (EV Charging) on planning permission 6/2024/0525/FULL

  Granted Conditions Trees

• Isabel Hospice Head Office 99 99 Bridge Road East Welwyn Garden City AL7 1GL

  6/2024/1861/TPO Submitted 27 Sep 2024 150 yards away

  T2 Lime tree dead, fell to ground level. TPO187 G1 and TPO 904 (2023) G1

  Granted Trees

• 125 Knella Road Welwyn Garden City AL7 3NA

  6/2026/0597/HOUSE Submitted 7 Apr 2026 200 yards away

  Erection of a single storey side extension

  Granted Householder Extension
  Small domestic

• Unit 1 Swallow Court Swallowfields Welwyn Garden City AL7 1SB

  6/2026/0401/FULL Submitted 4 Mar 2026 200 yards away

  Change of use to incorporate use classes E, F1 and F2

  Withdrawn Full applications

• 6/2026/1265/PN8 Granted

  1 Newstead Hatfield AL10 9DH

  Prior approval for a single storey rear extension measuring 6.00m in depth, 2.60m to the eaves and the maximum height of 3.00m

  Received 20 Jul, published by the council 1 Aug 2026 Prior approval
• 6/2026/1086/PN24 Refused

  The Hub Tamblin Way Hatfield AL10 9EZ

  Prior approval for installation of a roof-mounted solar PV system, comprising of 212 Solarwatt panels to a total system size of 95.4 kWp

  Received 23 Jun, published by the council 2 Aug 2026 Prior approval
• 6/2026/1686/PN8 Awaiting decision

  65 Maple Grove Welwyn Garden City AL7 1NN

  Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 2.75m to the eaves

  Received 23 Sep, published by the council 1 Oct 2026 Prior approval
• 6/2026/1399/PN8 Granted

  1 High Dells Hatfield AL10 9JD

  Prior approval for a single storey rear extension measuring 4.50m in depth, 2.58m to the eaves and the maximum height of 2.75m

  Received 7 Aug, published by the council 22 Aug 2026 Prior approval
• 6/2026/1335/PN8 Refused

  31 Kentish Lane Brookmans Park AL9 6NG

  Prior approval for 2x single storey rear extensions and 1x single storey side/rear extension measuring 8m in depth, 2.85m to the eaves and the maximum height of 4m

  Received 30 Jul, published by the council 22 Aug 2026 Prior approval