9 Longmore Gardens Welwyn Garden City AL7 3NH

1. 8 Apr 2021

   Received by Welwyn Hatfield

2. 19 May 2021

   Validated

   Checked as complete and ready for consideration.

3. 12 Jul 2021

   Decision issued: Refused

4. 9 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.

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.

• 93 Salisbury Road Welwyn Garden City AL7 3RY

  6/2026/1360/VAR Submitted 3 Aug 2026 150 yards away

  Variation of condition 2 (approved plans) on planning permission 6/2025/2622/HOUSE

  Granted Amendments
  Major scheme

• 125 Knella Road Welwyn Garden City AL7 3NA

  6/2026/0597/HOUSE Submitted 7 Apr 2026 150 yards away

  Erection of a single storey side extension

  Granted Householder Extension
  Small domestic

• 96 Salisbury Road Welwyn Garden City AL7 3SB

  6/2024/1793/PN8 Submitted 17 Sep 2024 200 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

• 11 Cranborne Gardens Welwyn Garden City AL7 3NF

  6/2021/1958/EM Submitted 28 Jun 2021 200 yards away

  Retention of existing hardstanding, along with creation of hedgerow and planting

  Granted Trees

• 86 Salisbury Road Welwyn Garden City AL7 3SB

  6/2021/2403/PN8 Submitted 16 Aug 2021 200 yards away

  Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3.4m in height and 2.7m to the eaves.

  Refused Prior approval Extension
  Small domestic

• 178 Knella Road Welwyn Garden City AL7 3NN

  6/2026/1316/HOUSE Submitted 27 Jul 2026 250 yards away

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

  Granted Householder Extension
  Domestic

• 6/2026/1287/LAWE Refused

  Woodhurst Farm, Stables Cattlegate Road Northaw Potters Bar EN2 8AU

  Certificate of Lawfulness for existing use of a former agricultural building (Barn) as a self- contained single residential dwelling house (Use Class C3) following its conversion and continuous occupation for a period in excess of 10 years prior to the date of this application

  Received 22 Jul, published by the council 9 Aug 2026 Lawful development
• 6/2026/1306/LAWP Granted

  184 Unit 4 St Albans Road West Hatfield AL10 0TF

  Certificate of lawfulness for the change of use of the front office portion of Unit 4 to a daycare/crèche facility, to include an internal mezzanine, within Use Class E.

  Received 27 Jul, published by the council 22 Aug 2026 Lawful development
• 6/2026/1328/LAWP Granted

  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

  Received 29 Jul, published by the council 9 Aug 2026 Lawful development
• 6/2026/1288/LAWE Granted

  1 The Limberlost Welwyn AL6 9TS

  Certificate of existing lawfulness for a single storey extension

  Received 22 Jul, published by the council 22 Aug 2026 Lawful development
• 6/2026/1297/LAWE Granted

  White Lodge Farm The Bellbrook Bulls Lane Hatfield AL9 7AZ

  Certificate of lawfulness in relation to existing gate and fencing

  Received 23 Jul, published by the council 9 Aug 2026 Lawful development