53 High Street Welwyn AL6 9EH

1. 9 Jan 2023

   Received by Welwyn Hatfield

2. 16 Jan 2023

   Validated

   Checked as complete and ready for consideration.

3. 9 Mar 2023

   Decision issued: Granted

4. 24 Jul 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 9 March 2023, 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 55 High Street Welwyn AL6 9EH

  6/2024/1921/TC Submitted 8 Oct 2024 8m away

  Fell 1 x Cherry Tree

  Granted Trees

• 45 High Street Welwyn AL6 9EH

  6/2026/0764/COND Submitted 30 Apr 2026 24m away

  Submission of details pursuant to condition 1 (method) and 2 (structural survey and a detailed schedule of repair works) on listed building consent 6/2025/2626/LB

  Granted Conditions

• 4 London Road Welwyn AL6 9EL

  6/2019/2619/COND Submitted 18 Oct 2019 54m away

  Submission of details pursuant to condition 1 (archaeological building record) on planning permission 6/2019/1413/FULL

  Refused Conditions

• 4 London Road Welwyn AL6 9EL

  6/2019/2896/COND Submitted 18 Nov 2019 58m away

  Submission pursuant to condition 1 (Methodology and Schedule of repair to the render on the north wall) on listed building consent application 6/2019/1414/LB

  Granted Conditions

• 28 High Street Welwyn AL6 9EQ

  6/2019/2854/COND Submitted 12 Nov 2019 79m away

  Submission of details pursuant to condition 1 (proposed timber frame and door furniture colour) on application 6/2019/2117/LB

  Granted Conditions

• 41 High Street Welwyn AL6 9EF

  6/2023/0639/LB Submitted 22 Mar 2023 87m away

  Replace 2 rotten fixed wood framed windows at the end of the building on the ground floor with equivalent fixed wood framed windows; replace 2 rotten sash wood framed windows at the front of the building on the ground floor with equivalent (double glazed) sash wood framed windows; repair of one sash window at the front of the building on the first floor; prepare and re-paint all wooden windows in white and frames in black as per existing

  Refused Heritage and listed buildings Windows or glazing

• 6/2026/1370/LAWP Granted

  17-17A Mill Lane Welwyn AL6 9EU

  Certificate of lawfulness for the change of use of offices to 3 x 2 bedroom flats

  Received 3 Aug, published by the council 15 Aug 2026 Lawful development
• 6/2026/1218/LAWP Granted

  43 Great Ley Welwyn Garden City AL7 4TJ

  Certificate of lawfulness for rear dormer roof extension to form a loft conversion

  Received 13 Jul, published by the council 9 Aug 2026 Lawful development
• 6/2026/1250/LAWP Granted

  40 Dellsome Lane Welham Green Hatfield AL9 7ND

  Certificate of lawfulness for Class A - Larger single storey rear extension (previously subject to prior approval application ref: 6/25/1851/PN8), Class B - Roof extension/hip to gable conversion, Class C - Other alterations to roof

  Received 16 Jul, published by the council 9 Aug 2026 Lawful development
• 6/2026/1210/LAWE Refused

  9 Flamingo Close Hatfield AL10 9LU

  Certificate of lawfulness for the existing use of the property as a HMO (Use Class C4) in continuous use for over 10 years

  Received 10 Jul, published by the council 9 Aug 2026 Lawful development
• 6/2026/0735/LAWE Refused

  1 Northaw Place Coopers Lane Northaw Potters Bar EN6 4NQ

  Certificate of lawfulness for the existing use of the land as residential garden land ancillary to the dwellinghouse continuously since 2012

  Received 27 Apr, published by the council 24 Jul 2026 Lawful development