45 Briars Wood Hatfield AL10 8DH

1. 15 Jul 2026

   Received by Welwyn Hatfield

2. 28 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 14 Sep 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 23 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Welwyn Hatfield took a median of 58 days over the applications it decided in the last year.

This application is with Welwyn Hatfield for determination, against a statutory target of eight weeks. Over the last year Welwyn Hatfield decided lawful development applications in a median of 58 days. More in our guide to how long planning decisions take.

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.

• 49 Briars Wood Hatfield AL10 8DH

  6/2021/2042/FULL Submitted 5 Jul 2021 50 yards away

  Conversion of 3-bedroom house into a 6-bedroom HMO with 3 parking spaces and 1 bike store to hold 6 cycles and bin stores.

  Refused Full applications 1 doc

• 1-11, 13-23, 23-35 & 37-47 Grove Mead; 2-12, 14-24 Briars Wood & 2-12 & 22-32 Briars Lane Hatfield

  6/2026/0775/FULL Submitted 1 May 2026 50 yards away

  Replacement of external wall insulation to match existing, replacement windows and doors, to double/triple glazed units and thermal doors, balcony insulation system to be added to balcony slab and new railings to match existing

  Granted Full applications Windows or glazing

• 28 Briars Wood Hatfield AL10 8DG

  6/2023/0167/FULL Submitted 24 Jan 2023 50 yards away

  Change of use from amenity land to residential driveway and installation of hardstanding (retrospective)

  Granted Full applications

• 28 Briars Wood Hatfield AL10 8DG

  6/2024/1935/HOUSE Submitted 9 Oct 2024 50 yards away

  Erection of a two storey rear/side extension and single storey rear extension following the demolition of the existing conservatory

  Refused Householder Extension Demolition
  Small domestic

• Council owned flats: 26-36 Aldykes Hatfield AL10 8EF and 44-54 Feather Del, Hatfield AL10 8DD

  6/2026/1273/FULL Submitted 20 Jul 2026 50 yards away

  82% historically approved · decision due ~14 Sep

  Replacement windows and doors to double/triple glazed units and thermal doors with the addition of balcony insulation system to balcony slab and new railings (to match existing, installation of cavity wall insulation to all external walls

  Awaiting decision Full applications Windows or glazing 6 docs

• 31 Briars Wood Hatfield AL10 8DA

  6/2025/2020/FULL Submitted 19 Sep 2025 50 yards away

  Retrospective change of use from amenity land to residential driveway and retention of hardstanding

  Granted Full applications

• 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