13 Selwyn Avenue Hatfield AL10 9NR

1. 24 Jun 2021

   Received by Welwyn Hatfield

2. 1 Sep 2021

   Decision issued: Refused

3. 25 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.

• 16 Selwyn Avenue Hatfield AL10 9NP

  6/2021/1333/HOUSE Submitted 26 Apr 2021 50 yards away

  Hip to gable conversion, insertion of a rear dormer and 3 x rooflight windows to the front elevation

  Granted Householder Loft or dormer Windows or glazing
  Domestic

• 24 Selwyn Avenue Hatfield AL10 9NP

  6/2024/1406/HOUSE Submitted 24 Jul 2024 100 yards away

  Erection of two storey side and rear extension and single storey rear extension

  Granted Householder Extension
  Small domestic

• 22 Selwyn Drive Hatfield AL10 9NJ

  6/2021/0949/HOUSE Submitted 22 Mar 2021 100 yards away

  Retention of single storey outbuilding

  Granted Householder
  Small domestic

• 13 Ellenbrook Crescent Hatfield AL10 9RP

  6/2021/1082/HOUSE Submitted 1 Apr 2021 150 yards away

  Conversion of the garage into a bedroom, erection of a rear extension, insertion of downstairs bathroom

  Granted Householder Extension
  Domestic

• 10 Ellenbrook Crescent Hatfield AL10 9RP

  6/2024/2073/LAWP Submitted 28 Oct 2024 150 yards away

  Certificate of lawfulness for a hip to gable loft conversion with rear dormer

  Granted Lawful development Loft or dormer

• 9 Ellenbrook Crescent Hatfield Hertfordshire AL10 9RP

  6/2023/0591/HOUSE Submitted 16 Mar 2023 150 yards away

  Erection of single storey rear extension

  Granted Householder Extension
  Small 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