41 Great North Road Welwyn Garden City AL8 7TJ

This site has had 2 applications since 2026: 0 approved, 1 refused.

• 6/2026/1328/LAWP Awaiting decision

  41 Great North Road Welwyn Garden City AL8 7TJ

  Certificate of lawfulness for a proposed hip to gable loft conversion with rear facing dormer and single storey side extension, plus insertion of rooflight to front elevation

  Submitted 29 Jul 2026 Lawful development

1. 20 May 2026

   Received by Welwyn Hatfield

2. 26 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 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.

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.

• 41 Great North Road Welwyn Garden City AL8 7TJ

  6/2026/1328/LAWP Submitted 29 Jul 2026 50 yards away

  81% historically approved · decision due ~24 Sep

  Certificate of lawfulness for a proposed hip to gable loft conversion with rear facing dormer and single storey side extension, plus insertion of rooflight to front elevation

  Awaiting decision Lawful development Extension Loft or dormer
  Small domestic

• 40 Great North Road Welwyn Garden City AL8 7TJ

  6/2021/1215/HOUSE Submitted 14 Apr 2021 50 yards away

  Erection of two storey side extension with a single storey front garage.

  Granted Householder Extension
  Small domestic

• Verge in highway on Great North Road Welwyn Garden City AL8 7TJ

  6/2026/0698/COND Submitted 20 Apr 2026 100 yards away

  Submission of details pursuant to Condition 1 (Construction Traffic Management Plan) on planning permission 6/2025/1893/FULL

  Refused Conditions

• 2 New Road Welwyn Garden City AL8 7TX

  6/2019/2568/COND Submitted 14 Oct 2019 150 yards away

  Submission of details pursuant to condition 4 (Site Characterisation, Submission and Implementation of Remediation Scheme, Unexpected Contamination and Monitoring and Maintenance) on planning permission 6/2015/1983/FULL

  Granted Conditions

• 2 New Road Welwyn Garden City AL8 7TX

  6/2019/2588/COND Submitted 15 Oct 2019 150 yards away

  Submission of details pursuant to condition 4 (remediation) on planning permission 6/2015/1984/FULL

  Granted Conditions

• 28 Great North Road Welwyn Garden City AL8 7TJ

  6/2021/1019/HOUSE Submitted 26 Mar 2021 150 yards away

  Two new dormers on the roof and external elevational treatments

  Withdrawn Householder Loft or dormer
  Domestic

• 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