21E Canonsfield Welwyn AL6 0QB

1. 18 Jun 2021

   Received by Welwyn Hatfield

2. 7 Sep 2021

   Decision issued: Refused

3. 31 Aug 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.

• 23 Heathbrow Road Welwyn AL6 0QG

  6/2021/1671/HOUSE Submitted 25 May 2021 50 yards away

  Erection of single storey rear extension

  Granted Householder Extension
  Small domestic

• 8 Dudley Hill Close Welwyn AL6 0QQ

  6/2019/2667/HOUSE Submitted 23 Oct 2019 150 yards away

  Erection of a two storey side extension and single storey rear extension following demolition of existing detached garage, rear conservatory and outbuildings

  Refused Householder Extension Demolition
  Small domestic

• 17A Briary Wood Lane Welwyn AL6 0TE

  6/2024/1978/HOUSE Submitted 15 Oct 2024 150 yards away

  Erection of additional storey, front entrance canopy, extension of raised rear patio and alterations to fenestration

  Granted Householder Extension Windows or glazing
  Domestic

• 18 Briary Wood Lane Welwyn AL6 0TF

  6/2026/1376/HOUSE Submitted 4 Aug 2026 200 yards away

  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

  Granted Householder Extension Loft or dormer
  Small domestic

• 5A Roundabout Lane Welwyn AL6 0TH

  6/2024/1324/TPO Submitted 10 Jul 2024 200 yards away

  TPO 915 (2018) T1 (Hornbeam) Re-coppice of Hornbeam to approximately 2m to allow adequate re growth. Old Hornbeam stool is close to the garage and has signs of decay from previous pruning wounds. Also a potential inclusion on the south side.

  Refused Trees

• Brambles Briary Wood End Welwyn AL6 0TD

  6/2026/0825/TPO Submitted 12 May 2026 250 yards away

  TPO 800 T1 - Chestnut tree - crown reduce by approx 4-5m - tree is multi stem and we have recently removed the whole crown on one stem due to being completely dead. Client is worried about the balancing weight now on the other stem. Please see attached photos.

  Granted Trees

• 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