24 Garden Avenue Hatfield AL10 8LN

1. 7 Apr 2026

   Received by Welwyn Hatfield

2. 15 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 14 Jul 2026

   Decision issued: Refused

4. 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.

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.

• 169 Bishops Rise Hatfield AL10 9EP

  6/2026/0932/LAWP Submitted 27 May 2026 100 yards away

  Certificate of lawfulness for the erection of a single storey rear extension

  Granted Lawful development Extension
  Small domestic

• 29 Garden Avenue Hatfield AL10 8LL

  6/2021/1033/HOUSE Submitted 29 Mar 2021 100 yards away

  Erection of single and two storey rear extension

  Granted Householder Extension
  Domestic

• 248 Bishops Rise Hatfield AL10 9QT

  6/2021/1705/PN8 Submitted 27 May 2021 150 yards away

  Prior approval for the erection of a single storey rear extension measuring 4.5m in depth, 2.86m in height and 2.86m to the eaves.

  Granted Prior approval Extension
  Small domestic

• 45 Garden Avenue Hatfield AL10 8LL

  6/2026/0848/PN8 Submitted 13 May 2026 150 yards away

  Prior approval for the erection of a single storey rear extension measuring 5.5m in depth, 3.25m in height and 3m to the eaves following the demolition of existing conservatory

  Granted Prior approval Extension Demolition
  Small domestic

• Bishops Rise Hatfield AL10 9QT

  6/2023/0528/PN15 Submitted 8 Mar 2023 150 yards away

  Proposed telecommunications installation: Proposed 15.0m Phase 8 Monopole and associated ancillary works

  Granted Prior approval

• 127 Bishops Rise Hatfield AL10 9ES

  6/2024/2274/PN8 Submitted 26 Nov 2024 200 yards away

  Prior approval for the erection of a single storey rear extension measuring 4m in depth, 3.6m in height and 2.6m to the eaves.

  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