12 St Johns Close Welwyn AL6 9RB

1. 18 Feb 2026

   Received by Welwyn Hatfield

2. 2 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 6 May 2026

   Decision issued: Granted

4. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 6 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.

• 11 Carleton Rise Welwyn AL6 9RP

  6/2021/0953/HOUSE Submitted 24 Mar 2021 150 yards away

  Erection of two storey front extension, garage conversion, new replacement roof to rear and alterations to fenestration and openings

  Granted Householder Extension Roofing +1
  Small domestic

• 11 Carleton Rise Welwyn AL6 9RP

  6/2026/0782/HOUSE Submitted 5 May 2026 150 yards away

  Installation of a front portico

  Granted Householder
  Domestic

• 1 Dewars Close Welwyn AL6 9RR

  6/2023/0734/HOUSE Submitted 3 Apr 2023 200 yards away

  Erection of single storey rear extension, first floor side extension to both sides & front single storey extension

  Withdrawn Householder Extension
  Small domestic

• 3 Cylers Thicket Welwyn AL6 9RS

  6/2022/2832/HOUSE Submitted 14 Dec 2022 250 yards away

  Erection of part single storey rear extensions, part first floor side extension over existing double garage with conversion of 1 garage and removal of UPVC cladding in lieu of render finish.

  Granted Householder Extension
  Small domestic

• 20 Kindersley Close Welwyn AL6 9RN

  6/2019/2742/COND Submitted 30 Oct 2019 250 yards away

  Submission of details pursuant to condition 4 (archaeological report) on planning permission 6/2018/1599/FULL

  Granted Conditions

• 1A Wendover Drive Welwyn AL6 9LT

  6/2021/1546/LAWP Submitted 14 May 2021 250 yards away

  Certificate of lawfulness for erection of single storey side extension and internal alterations.

  Granted Lawful development 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