96 Birchwood Avenue Hatfield AL10 0PS

1. 26 Mar 2026

   Received by Welwyn Hatfield

2. 19 May 2026

   Decision issued: Granted

3. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 19 May 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.

• 82 Birchwood Avenue Hatfield AL10 0PS

  6/2026/0710/HOUSE Submitted 21 Apr 2026 100 yards away

  Erection of single storey rear extension

  Granted Householder Extension
  Small domestic

• 33 Birchwood Avenue Hatfield AL10 0PR

  6/2021/1839/LAWP Submitted 15 Jun 2021 100 yards away

  Certificate of lawfulness for a loft conversion with rear dormer

  Granted Lawful development Loft or dormer

• 80 Birchwood Avenue Hatfield AL10 0PS

  6/2023/0458/HOUSE Submitted 28 Feb 2023 100 yards away

  Replacement of pitched polycarbonate conservatory roof with flat roof

  Granted Householder Extension
  Small domestic

• 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

• 65 Heathcote Avenue Hatfield AL10 0RQ

  6/2023/0410/HOUSE Submitted 22 Feb 2023 150 yards away

  Erection of single storey rear extension, front porch extension, installation of one front rooflight and a rear dormer to facilitate the conversion of loft to habitable space

  Refused Householder Extension Loft or dormer
  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

• 6/2026/1408/HOUSE Granted

  Wytmead Essendon Hill Essendon Hatfield AL9 6AW

  Reinstatement of the previously truncated chimney

  Received 10 Aug, published by the council 31 Aug 2026 Householder
• 6/2026/1170/HOUSE Granted

  6 Highfields Cuffley Potters Bar EN6 4EL

  Conversion of garage into study room with alterations to the front elevation, repositioning of lower ground floor entrance hall, erection of two storey infill side extension with internal alterations, replacement of existing front and side building brickwork with K-Render finish, removal of chimney and installation of 2 rooflights

  Received 6 Jul, published by the council 30 Jul 2026 Householder
• 6/2026/1177/HOUSE Granted

  Red Lodge High Road Essendon Hatfield AL9 6HU

  Erection of two single-storey side extensions, detached garage with barn-hipped roof and photovoltaic panels, relocated garden room and associated works to hardstanding and site layout.

  Received 7 Jul, published by the council 9 Aug 2026 Householder
• 6/2026/1376/HOUSE Granted

  18 Briary Wood Lane Welwyn AL6 0TF

  Erection of a single storey ground floor extension & part two storey rear, raising the roof and alterations to facilitate loft conversion to include new crown roof with front & rear dormers

  Received 4 Aug, published by the council 22 Aug 2026 Householder
• 6/2026/1392/HOUSE Granted

  1 Little Wade Welwyn Garden City AL7 4LE

  Erection of a single storey rear extension

  Received 6 Aug, published by the council 15 Aug 2026 Householder