20 Astwick Avenue Hatfield AL10 9LA

This site has had 3 applications since 2021: 3 approved, 0 refused.

• 6/2021/1967/HOUSE Granted

  20 Astwick Avenue Hatfield AL10 9LA

  Erection of single storey front extension

  Decided 13 Aug 2021 Householder
• 6/2021/1967/PN8 Granted

  20 Astwick Avenue Hatfield AL10 9LA

  Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 3m to the eaves.

  Decided 3 Aug 2021 Prior approval

1. 29 Jun 2021

   Received by Welwyn Hatfield

2. 13 Aug 2021

   Decision issued: Granted

3. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 13 August 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.

• 20 Astwick Avenue Hatfield AL10 9LA

  6/2021/1967/HOUSE Submitted 29 Jun 2021 0m away

  Erection of single storey front extension

  Granted Householder Extension
  Small domestic

• 20 Astwick Avenue Hatfield AL10 9LA

  6/2021/1967/PN8 Submitted 29 Jun 2021 0m away

  Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3m in height and 3m to the eaves.

  Granted Prior approval Extension
  Small domestic

• 11 Astwick Avenue Hatfield AL10 9LB

  6/2024/1562/HOUSE Submitted 15 Aug 2024 68m away

  Erection of a single storey rear extension following demolition of an existing single storey rear extension and conservatory, installation of 4 front rooflights, 1 rear rooflight, hip to gable extension and a rear dormer to facilitate the conversion of the loft to habitable space, garage conversion to habitable space, alterations to fenestration and the erection of rear single storey garage and store

  Granted Householder Extension Loft or dormer +2
  Small domestic

• 77 Holme Road Hatfield AL10 9LG

  6/2026/1013/HOUSE Submitted 9 Jun 2026 110m away

  Erection of a single storey rear/side extension and garage conversion with alterations to the fenestration

  Granted Householder Extension Windows or glazing
  Small domestic

• 9 Broad Acres Hatfield Hertfordshire AL10 9LE

  6/2022/2673/LAWP Submitted 24 Nov 2022 115m away

  Certificate of lawfulness for hip to gable roof conversion, installation of rear dormer and insertion of front facing rooflight

  Granted Lawful development Loft or dormer

• 9 Broad Acres Hatfield Hertfordshire AL10 9LE

  6/2022/2672/HOUSE Submitted 24 Nov 2022 116m away

  Erection of a single storey front and rear extension

  Granted Householder Extension
  Small domestic

• 6/2026/0735/LAWE Refused

  1 Northaw Place Coopers Lane Northaw Potters Bar EN6 4NQ

  Certificate of lawfulness for the existing use of the land as residential garden land ancillary to the dwellinghouse continuously since 2012

  27 Apr 2026 Lawful development
• 6/2026/1132/LAWE Refused

  19 Cunningham Avenue Hatfield AL10 9LR

  Certificate of existing lawfulness of a 5 person HMO since 6 April 2006

  30 Jun 2026 Lawful development
• 6/2026/1506/LAWP Awaiting decision

  Gosmore Brocket Road Welwyn Garden City AL8 7TT

  Erection of single storey side extensions x 2 and two storey rear extension

  27 Aug 2026 Lawful development
• 6/2026/1503/LAWE Awaiting decision

  27 Batterdale Hatfield AL9 5JG

  Certificate of lawfulness for the existing like-for-like replacement of damaged and aged windows on the front and rear elevations

  26 Aug 2026 Lawful development
• 6/2026/1044/LAWP Granted

  5 Peartree Court Welwyn Garden City AL7 3XN

  Certificate of lawfulness for the change of use from C3 (dwellinghouse) to C4 (HMO for up to 6 unrelated residents)

  15 Jun 2026 Lawful development