43 Stag Green Avenue Hatfield AL9 5EB

1. 7 Jun 2021

   Received by Welwyn Hatfield

2. 28 Jun 2021

   Validated

   Checked as complete and ready for consideration.

3. 12 Aug 2021

   Decision issued: Granted

4. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 12 August 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.

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.

• 45 Stag Green Avenue Hatfield AL9 5EB

  6/2021/2166/HOUSE Submitted 16 Jul 2021 50 yards away

  Erection of single storey rear extension

  Granted Householder Extension
  Small domestic

• 13 Lodge Drive Hatfield AL9 5HL

  6/2026/1258/HOUSE Submitted 17 Jul 2026 100 yards away

  Erection of two-storey front, side and rear extensions and a single storey rear extension following the demolition of the attached garage, conservatory, single storey rear extension and front canopy. Alteration to fenestration and external materials.

  Granted Householder Extension Demolition +1
  Small domestic

• 13 Lodge Drive Hatfield AL9 5HL

  6/2026/0640/HOUSE Submitted 10 Apr 2026 100 yards away

  Erection of a two-storey front and side extensions, part single and part two storey rear extension, alterations to fenestration and external materials

  Refused Householder Extension Windows or glazing
  Domestic

• 29 Stag Green Avenue Hatfield AL9 5EB

  6/2023/0359/LAWP Submitted 16 Feb 2023 100 yards away

  Certificate of Lawful Development for a proposed first floor dormer extension with juliet balcony

  Granted Lawful development Extension Loft or dormer

• 29 Stag Green Avenue Hatfield Hertfordshire AL9 5EB

  6/2023/0358/HOUSE Submitted 15 Feb 2023 100 yards away

  Erection of rear infill extension with alterations to openings, first floor rear extension with insertion of rooflight to existing roof and front infill kitchen extension, under existing canopy

  Granted Householder Extension Loft or dormer
  Domestic

• 7 Pleasant Rise Hatfield AL9 5DR

  6/2026/1428/HOUSE Submitted 13 Aug 2026 100 yards away

  87% historically approved · decision due ~8 Oct

  Erection of single storey rear garage extension

  Awaiting decision Householder 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