11 Peplins Close Brookmans Park AL9 7UX

1. 19 Jul 2021

   Received by Welwyn Hatfield

2. 16 Sep 2021

   Decision issued: Granted

3. 13 Sep 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 16 September 2021, 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.

• 31 Bradmore Way Brookmans Park Hatfield AL9 7QY

  6/2019/2687/HOUSE Submitted 24 Oct 2019 50 yards away

  Erection of single storey and part two storey rear extension with installation of 2 x roof lights following demolition of conservatory

  Granted Householder Extension Loft or dormer +1
  Small domestic

• 15 Bradmore Way Brookmans Park AL9 7QY

  6/2026/0864/HOUSE Submitted 15 May 2026 50 yards away

  Erection of two storey side and rear extension (resubmission of lapsed consent 6/2022/1846/HOUSE)

  Granted Householder Extension
  Major scheme

• 33 Bradmore Way Brookmans Park AL9 7QY

  6/2026/0817/HOUSE Submitted 11 May 2026 50 yards away

  87% historically approved · decision due ~26 Aug

  Extensions to the existing roof to form a crown roof, with rear dormer, insertion of rooflights and single storey side and rear extension

  Awaiting decision Householder Extension Loft or dormer
  Small domestic

• 28 Peplins Way Brookmans Park AL9 7UU

  6/2026/1576/HOUSE Submitted 10 Sep 2026 100 yards away

  87% historically approved · decision due ~6 Nov

  Erection of two-storey front and side extension, single-storey rear extension and a flat roof incorporating a glazed rooflight

  Awaiting decision Householder Extension Loft or dormer +1
  Small domestic

• 14 Peplins Way Hatfield AL9 7UU

  6/2021/1713/LAWP Submitted 28 May 2021 100 yards away

  Certificate of lawfulness for a conversion of garage into a habitable room and alteration to porch steps.

  Granted Lawful development Extension
  Small domestic

• 1 Bradmore Way, Brookmans Park, Hatfield AL9 7QY

  6/2021/1721/HOUSE Submitted 1 Jun 2021 150 yards away

  Erection of a single storey rear infill extension plus projecting timber decking and steps

  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