3 Railway Cottages Ellenbrook Lane Hatfield AL10 9NY

1. 28 Apr 2021

   Received by Welwyn Hatfield

2. 8 Jun 2021

   Decision issued: Prior Approval Not Required

3. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 8 June 2021, 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.

• The Oak Tree Ellenbrook Lane Hatfield AL10 9NT

  6/2026/0442/HOUSE Submitted 11 Mar 2026 50 yards away

  Part conversion of detached outbuilding to an annexe, alteration to fenestration and the roof and installation of solar panels to the roof of the outbuilding.

  Granted Householder Windows or glazing
  Small domestic

• 16 Selwyn Avenue Hatfield AL10 9NP

  6/2021/1333/HOUSE Submitted 26 Apr 2021 300 yards away

  Hip to gable conversion, insertion of a rear dormer and 3 x rooflight windows to the front elevation

  Granted Householder Loft or dormer Windows or glazing
  Domestic

• 106A College Lane Hatfield Hertfordshire AL10 9PA

  6/2023/0041/TPO Submitted 9 Jan 2023 300 yards away

  Oak tree – 20% crown reduction and deadwood removal due to the canopy being top heavy, deadwood falling and roots growing underneath the house

  Granted Trees

• 24 Selwyn Avenue Hatfield AL10 9NP

  6/2024/1406/HOUSE Submitted 24 Jul 2024 350 yards away

  Erection of two storey side and rear extension and single storey rear extension

  Granted Householder Extension
  Small domestic

• 13 Selwyn Avenue Hatfield AL10 9NR

  6/2021/1921/LAWP Submitted 24 Jun 2021 350 yards away

  Certificate of lawfulness for the erection of a two storey rear extension, alterations to openings on front and both side elevations, with additional roof lights to existing roof to rear and garage conversion

  Refused Lawful development Extension Loft or dormer

• University Of Hertfordshire College Lane Campus College Lane Hatfield AL10 9AB

  6/2026/0477/FULL Submitted 16 Mar 2026 350 yards away

  Installation of plant and machinery comprising Air Source Heat Pumps (ASHP), Electrical Panels and Variable Refrigerant Flow (VRF) systems to serve the Film, Music and Media Building at the College Lane Campus at University of Hertfordshire to contribute towards the University's decarbonisation programme

  Granted 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