213 Knella Road Welwyn Garden City AL7 3NT

1. 18 Jun 2021

   Received by Welwyn Hatfield

2. 13 Aug 2021

   Decision issued: Granted

3. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 13 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.

• 178 Knella Road Welwyn Garden City AL7 3NN

  6/2026/1316/HOUSE Submitted 27 Jul 2026 200 yards away

  Erection of part single and part two storey rear extension with alterations to openings on rear elevation

  Granted Householder Extension
  Domestic

• Land To The West Of Ridgeway Road Ridgeway Welwyn Garden City AL7 2AA

  6/2026/1158/FULL Submitted 3 Jul 2026 250 yards away

  80% historically approved · decision due ~28 Aug

  Construction and operation of a micro energy storage project

  Awaiting decision Full applications

• 165 Knella Road Welwyn Garden City AL7 3NT

  6/2024/1545/PN8 Submitted 13 Aug 2024 250 yards away

  Prior approval for the erection of a single storey rear infill extension measuring 6.00m in depth, 3.69m in height and 2.46m to the eaves

  Granted Prior approval Extension
  Small domestic

• 265 Knella Road Welwyn Garden City AL7 3NS

  6/2023/0114/COND Submitted 17 Jan 2023 250 yards away

  Submission of details pursuant to condition 4 (Noise) on planning permission 6/2018/2611/FULL

  Granted Conditions

• 9 Longmore Gardens Welwyn Garden City AL7 3NH

  6/2021/1147/LAWP Submitted 8 Apr 2021 350 yards away

  Certificate of lawfulness for the windows and doors to be replaced with energy efficient products

  Refused Lawful development Windows or glazing

• 96 Salisbury Road Welwyn Garden City AL7 3SB

  6/2024/1793/PN8 Submitted 17 Sep 2024 350 yards away

  Prior Approval for the erection of a single storey rear extension measuring 5m in depth, 3.20m in height and 2.82m 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