66 Hillfield Hatfield AL10 0TU

1. 30 Jul 2024

   Received by Welwyn Hatfield

2. 10 Sep 2024

   Decision issued: Prior Approval Not Required

3. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 10 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.

• 55 Wood Common Hatfield AL10 0UE

  6/2026/0948/HOUSE Submitted 29 May 2026 50 yards away

  Erection of part single, part two storey rear extension and installation of two windows within the right elevation.

  Refused Householder Extension Windows or glazing
  Domestic

• 55 Wood Common Hatfield AL10 0UE

  6/2026/1579/HOUSE Submitted 10 Sep 2026 50 yards away

  87% historically approved · decision due ~11 Nov

  Erection of part single, part two storey rear extension and the installation of two new windows within the side elevation

  Awaiting decision Householder Extension Windows or glazing
  Domestic

• Garages Lockley Crescent and Drovers Way Hatfield AL10 0TL

  6/2026/1387/COND Submitted 5 Aug 2026 100 yards away

  Submission of details pursuant to condition number 1 (Construction Management Plan) on planning permission 6/2022/0010/FULL

  Granted Conditions

• 63 Hillfield Hatfield AL10 0TY

  6/2021/1165/LAWP Submitted 12 Apr 2021 100 yards away

  Certificate of lawfullness for the conversion of a garage for habitable space and replacement of garage door with window

  Refused Lawful development Windows or glazing

• 49 Lockley Crescent Hatfield AL10 0TL

  6/2021/1475/HOUSE Submitted 10 May 2021 150 yards away

  Erection of single storey rear extension

  Granted Householder Extension
  Small domestic

• 49 Lockley Crescent Hatfield AL10 0TL

  6/2021/1476/LAWP Submitted 10 May 2021 150 yards away

  Certificate of lawfulness for the erection of outbuilding studio in rear garden

  Refused Lawful development

• 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