37 Cecil Crescent Hatfield AL10 0HG

1. 24 Jun 2026

   Received by Welwyn Hatfield

2. 24 Jul 2026

   Added to PlanIndex

3. 20 Aug 2026

   Decision issued: Granted

Welwyn Hatfield granted permission on 20 August 2026, 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.

• 40 Cecil Crescent Hatfield AL10 0HG

  6/2026/1202/HOUSE Submitted 10 Jul 2026 50 yards away

  Erection of single storey rear extension

  Granted Householder Extension
  Small domestic

• 10 Ground Lane Hatfield AL10 0HH

  6/2021/2194/FULL Submitted 20 Jul 2021 50 yards away

  Retention of subdivision of a single dwellinghouse into two x 2-bed dwellinghouses

  Granted Full applications
  Domestic

• 48 Cecil Crescent Hatfield AL10 0HG

  6/2021/2233/LAWP Submitted 26 Jul 2021 100 yards away

  Certificate of lawfulness for conversion of roofspace to habitable use to include a rear dormer and 2 x front rooflights

  Granted Lawful development Loft or dormer

• 48 Cecil Crescent Hatfield AL10 0HG

  6/2021/2232/HOUSE Submitted 26 Jul 2021 100 yards away

  Erection of a single storey rear extension

  Granted Householder Extension
  Small domestic

• 26 Cecil Crescent Hatfield AL10 0HF

  6/2021/1948/HOUSE Submitted 28 Jun 2021 100 yards away

  Erection of an outbuilding in rear garden

  Granted Householder
  Small domestic

• 52 Cecil Crescent Hatfield AL10 0HG

  6/2023/0015/HOUSE Submitted 4 Jan 2023 150 yards away

  Erection of a single storey rear conservatory following the demolition of an existing conservatory.

  Granted Householder Extension Demolition
  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