15 High Dells Hatfield AL10 9JD

1. 24 Nov 2022

   Received by Welwyn Hatfield

2. 16 Dec 2022

   Validated

   Checked as complete and ready for consideration.

3. 22 May 2023

   Decision issued: Refused

4. 22 Sep 2026

   Added to PlanIndex

This application is at appeal, which passes the decision from Welwyn Hatfield to the planning inspectorate, and the outcome will replace the council's decision. More in our guide to what happens after a planning decision.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 78 Bishops Rise Hatfield A10 9HH

  6/2024/1920/HOUSE Submitted 8 Oct 2024 100 yards away

  Erection of a single storey rear and side extension, alterations to openings

  Granted Householder Extension
  Small domestic

• 1 High Dells Hatfield AL10 9JD

  6/2022/2904/FULL Submitted 23 Dec 2022 100 yards away

  Erection of a single storey, part two storey rear extension with erection of a two storey side extension and subdivision of plot to facilitate the creation of 1 dwelling.

  Refused Full applications Extension
  Domestic

• 1 High Dells Hatfield AL10 9JD

  6/2025/2403/FULL Submitted 17 Nov 2025 100 yards away

  Erection of a two-storey dwelling as a subdivision of the existing plot, with associated car parking areas and erection of a single-storey rear extension to the existing property

  Refused Full applications Extension
  Small domestic

• 1 High Dells Hatfield AL10 9JD

  6/2026/1399/PN8 Submitted 7 Aug 2026 100 yards away

  Prior approval for a single storey rear extension measuring 4.50m in depth, 2.58m to the eaves and the maximum height of 2.75m

  Granted Prior approval Extension
  Small domestic

• 72 Bishops Rise Hatfield Hertfordshire AL10 9HH

  6/2023/0656/LAWP Submitted 23 Mar 2023 100 yards away

  Certificate of lawfulness for a proposed rear extension, following the demolition of existing conservatory

  Granted Lawful development Extension Demolition

• 64 Bishops Rise Hatfield Hertfordshire AL10 9HH

  6/2022/2783/PN8 Submitted 8 Dec 2022 100 yards away

  Prior approval for flat roof single storey rear extension measuring 6m in depth, 3m in height and 2.4m to the eaves

  Granted Prior approval Extension
  Small domestic

• 6/2026/1316/HOUSE Granted

  178 Knella Road Welwyn Garden City AL7 3NN

  Erection of part single and part two storey rear extension with alterations to openings on rear elevation

  Received 27 Jul, published by the council 22 Aug 2026 Householder
• 6/2026/1252/HOUSE Granted

  31 Brockswood Lane Welwyn Garden City AL8 7BE

  Erection of part single storey part two storey rear extension, garage conversion and installation of air conditioning unit mounted at ground floor on the rear elevation

  Received 16 Jul, published by the council 9 Aug 2026 Householder
• 6/2026/0112/HOUSE Granted

  54 Tolmers Road Cuffley Potters Bar EN6 4JF

  Erection of part two storey and part single storey front and side extensions. Erection of first floor rear extension. Alterations to the roof, including front and rear dormers and rooflights

  Received 26 Jan, published by the council 24 Jul 2026 Householder
• 6/2026/1620/HOUSE Awaiting decision

  68 Tolmers Road Cuffley Potters Bar EN6 4JY

  Erection of front boundary dwarf wall, railings and gated entrances and battened fencing to left and right boundaries to front garden alongside hardstanding to frontage

  Received 17 Sep, published by the council 22 Sep 2026 Householder
• 6/2026/1308/HOUSE Granted

  122 The Commons Welwyn Garden City AL7 4SB

  Proposed conversion of existing garage to habitable room alterations to the roof, erection of a glazed veranda and detached gazebo

  Received 27 Jul, published by the council 9 Aug 2026 Householder