4 The Chase Welwyn AL6 0QT

1. 23 Apr 2026

   Received by Welwyn Hatfield

2. 29 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jun 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.

• 19 The Chase Welwyn AL6 0QT

  6/2021/1217/HOUSE Submitted 14 Apr 2021 50 yards away

  Erection of part-pitched and part-flat low level roof and single storey rear extension

  Granted Householder Extension
  Small domestic

• 21 The Chase Welwyn AL6 0QT

  6/2023/0237/HOUSE Submitted 31 Jan 2023 50 yards away

  Erection of single storey rear extension and garage conversion with new roof and 2 x rooflights. Plus alterations to openings to existing front and rear elevations, including replacing front window

  Granted Householder Extension Loft or dormer +2
  Small domestic

• 29 The Chase Welwyn AL6 0QT

  6/2021/0826/HOUSE Submitted 15 Mar 2021 100 yards away

  Erection of a part single storey, part two storey side and rear extension

  Granted Householder Extension 1 doc
  Small domestic

• 8 Jenning Wood Welwyn AL6 0SL

  6/2024/2028/TPO Submitted 21 Oct 2024 150 yards away

  T1 Hornbeam to crown reduce all round by 1-2 metres (TPO 39)

  Granted Trees

• The North Star 82 Great North Road Welwyn AL6 0TA

  6/2026/1067/FULL Submitted 19 Jun 2026 150 yards away

  82% historically approved · decision due ~28 Aug

  Use of an existing flat roof as a first-floor teaching terrace and installation of an external fire escape staircase in association with nursery use permitted under 6/2026/0025/VAR

  Awaiting decision Full applications

• 6 Firway Close Welwyn AL6 0RE

  6/2021/2373/LAWP Submitted 11 Aug 2021 150 yards away

  Certificate of lawfulness for the conversion of roof space to habitable use to include a rear dormer and 4 x front rooflights

  Granted Lawful development Loft or dormer

• 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