The former Three Valleys Water site (now Peregrine Way) Bishops Rise Hatfield 38 Hatfield Delivery Office Po Box 48 Town Centre Hatfield AL10 9HL

1. 24 Oct 2025

   Received by Welwyn Hatfield

2. 20 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

Welwyn Hatfield refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

• 26 Peregrine Way Hatfield AL10 9UP

  6/2026/0440/LAWP Submitted 10 Mar 2026 50 yards away

  Certificate of lawfulness for erection of an outbuilding

  Granted Lawful development

• Hatfield Pumping Station Bishops Rise Hatfield AL10 9UN

  6/2023/0504/TPO Submitted 6 Mar 2023 50 yards away

  Three Lombardy poplars (T3, T10 and T11) to be removed to facilitate improvement works to existing underground utilities. One Lombardy poplar (T2) to be removed due to extensive basal cavity with evidence of decay. TPO 561 (2016)

  Granted Trees

• 14 Sparrowhawk Place Hatfield AL10 9UR

  6/2026/1320/TPO Submitted 28 Jul 2026 50 yards away

  97% historically approved · decision due ~22 Sep

  T3 Cherry 1m reduction of entire tree. T4 Cherry 1m reduction of entire tree. T5 Cherry 1m reduction of entire tree. (covered by TPO562 (2016))

  Awaiting decision Trees

• 1 Peregrine Way Hatfield AL10 9UP

  6/2021/1025/HOUSE Submitted 29 Mar 2021 100 yards away

  Erection of two storey front and side extension; conversion of loft to habitable space; insertion of upper floor window on side elevation; and insertion of rooflights.

  Refused Householder Extension Loft or dormer +1
  Domestic

• 31 Peregrine Way Hatfield AL10 9UP

  6/2021/1331/HOUSE Submitted 26 Apr 2021 100 yards away

  Conversion of garage into habitable space.

  Granted Householder
  Domestic

• 64 Bishops Rise Hatfield Hertfordshire AL10 9HH

  6/2022/2783/PN8 Submitted 8 Dec 2022 150 yards away

  Prior approval for flat roof single storey rear extension measuring 6m in depth, 3m in height and 2.4m to the eaves

  Granted Prior approval Extension
  Small domestic

• 6/2026/1491/VAR Awaiting decision

  Land at Great North Road Stanborough Welwyn Garden City AL8 7TQ

  Variation of condition 28 (approved plans) on planning permission 6/2025/0764/FULL

  Received 25 Aug, published by the council 7 Sep 2026 Amendments
• 6/2026/1424/VAR Awaiting decision

  18 Birchwood Close Hatfield AL10 0PP

  Variation of Condition 1 (Arboricultural Method Statement and Tree Protection Plan) and Condition 2 (External Materials) on planning permission 6/2025/0927/HOUSE

  Received 12 Aug, published by the council 31 Aug 2026 Amendments
• 6/2026/1360/VAR Awaiting decision

  93 Salisbury Road Welwyn Garden City AL7 3RY

  Variation of condition 2 (approved plans) on planning permission 6/2025/2622/HOUSE

  Received 3 Aug, published by the council 15 Aug 2026 Amendments
• 6/2026/0659/VAR Granted

  38 The Ridgeway Cuffley Potters Bar EN6 4AX

  Variation of condition 3 (Arboricultural Method Statement and the Tree Protection Plan) and condition 18 (approved plans) on planning permission 6/2023/2115/FULL

  Received 14 Apr, published by the council 24 Jul 2026 Amendments
• 6/2026/0752/VAR Refused

  Land adjacent to Woodvale 1 Carbone Hill Northaw Potters Bar EN6 4PJ

  Variation of condition 3 (levels), 6 (hard and soft landscaping), 7 (materials), 9 (energy statement) and 16 (approved plans) on planning permission 6/2024/1554/FULL

  Received 28 Apr, published by the council 24 Jul 2026 Amendments