82 Birchwood Avenue Hatfield AL10 0PS

1. 21 Apr 2026

   Received by Welwyn Hatfield

2. 18 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 13 Jul 2026

   Decision issued: Granted

4. 24 Jul 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 13 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 33 Birchwood Avenue Hatfield AL10 0PR

  6/2021/1839/LAWP Submitted 15 Jun 2021 50 yards away

  Certificate of lawfulness for a loft conversion with rear dormer

  Granted Lawful development Loft or dormer

• 96 Birchwood Avenue Hatfield AL10 0PS

  6/2026/0558/HOUSE Submitted 26 Mar 2026 100 yards away

  Erection of a part single-storey, part two storey side extension and a single storey rear extension, including associated internal reconfiguration, removal of chimney, and alterations to fenestration following demolition of outbuilding

  Granted Householder Extension Demolition +1
  Small domestic

• 18 Birchwood Close Hatfield AL10 0PP

  6/2026/1424/VAR Submitted 12 Aug 2026 150 yards away

  90% historically approved · decision due ~23 Oct

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

  Awaiting decision Amendments Trees
  Major scheme

• 36 Birchwood Close Hatfield AL10 0PP

  6/2023/0318/PN8 Submitted 9 Feb 2023 150 yards away

  Prior approval for the erection of a single storey rear extension measuring 5m in depth, 2.56m in height, 2.30m to the eaves with rooflights and alterations to existing openings to side elevation, following demolition of existing conservatory and outbuildings

  Granted Prior approval Extension Loft or dormer +1
  Small domestic

• 29 Heathcote Avenue Hatfield AL10 0RQ

  6/2026/0632/PN8 Submitted 9 Apr 2026 150 yards away

  Prior approval for a single storey rear extension which will measure 4m in depth, 3m to the eaves and the maximum height of 2.69m

  Granted Prior approval Extension
  Small domestic

• 52 Crawford Road Hatfield AL10 0PE

  6/2021/0776/HOUSE Submitted 10 Mar 2021 150 yards away

  Erection of a two storey rear extension, flanking existing single level extension, relocation of existing entrance door to new front porch, a new internal layout and addition on windows

  Granted Householder Extension Windows or glazing
  Small domestic

• 6/2026/1198/HOUSE Granted

  9 Mardley Hill Welwyn AL6 0UE

  Erection of single storey front, side and rear extension, raising the existing roof and formation of rear dormer. Alterations to the fenestration, including, installation of new windows and doors and external rendering and cladding, following the demolition of garage and porch

  Received 10 Jul, published by the council 24 Jul 2026 Householder
• 6/2026/1257/HOUSE Granted

  21 The Swallows Welwyn Garden City AL7 1BX

  Garage conversion with alterations to openings to front and rear elevations

  Received 17 Jul, published by the council 1 Aug 2026 Householder
• 6/2026/1293/HOUSE Granted

  33 Claves Crescent Welwyn Garden City AL7 1WN

  Erection of a single storey rear conservatory

  Received 22 Jul, published by the council 1 Aug 2026 Householder
• 6/2026/1202/HOUSE Granted

  40 Cecil Crescent Hatfield AL10 0HG

  Erection of single storey rear extension

  Received 10 Jul, published by the council 9 Aug 2026 Householder
• 6/2026/1228/HOUSE Granted

  109 Mount Way Welwyn Garden City AL7 4LA

  Erection of single storey front extension

  Received 13 Jul, published by the council 9 Aug 2026 Householder