3 Ellenbrook Lane Hatfield AL10 9RW

This site has had 2 applications since 2022: 0 approved, 1 refused.

• 6/2022/2780/HOUSE Refused

  3 Ellenbrook Lane Hatfield AL10 9RW

  Erection of two storey side and part two storey and single storey rear extension and widening of dropped kerb.

  Decided 28 Feb 2023 Householder

1. 10 Nov 2025

   Received by Welwyn Hatfield

2. 18 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 13 January 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 householder applications in a median of 60 days. More in our guide to how long planning decisions take.

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.

• 3 Ellenbrook Lane Hatfield AL10 9RW

  6/2022/2780/HOUSE Submitted 7 Dec 2022 50 yards away

  Erection of two storey side and part two storey and single storey rear extension and widening of dropped kerb.

  Refused Householder Extension
  Small domestic

• 1 Ellenbrook Crescent Hatfield AL10 9RP

  6/2021/1365/HOUSE Submitted 28 Apr 2021 100 yards away

  Erection of a two storey side and rear extension and a single storey front, garage and rear extension and loft dormer

  Withdrawn Householder Extension Loft or dormer
  Small domestic

• De Havilland Campus Hertfordshire Sports Village Mosquito Way Hatfield AL10 9EU

  6/2026/0656/FULL Submitted 14 Apr 2026 150 yards away

  Conversion of existing tennis courts to 4 uncovered padel courts with erection of ancillary container

  Withdrawn Full applications

• 7 Ellenbrook Crescent Hatfield AL10 9RP

  6/2024/1822/HOUSE Submitted 23 Sep 2024 150 yards away

  Erection of a single storey side and rear extension following the demolition of existing garage/greenhouse and conservatory. New garden side access gate within existing brick boundary wall. Removal of ex chimney stack from side/rear elevation

  Granted Householder Extension Demolition
  Small domestic

• 9 Ellenbrook Crescent Hatfield Hertfordshire AL10 9RP

  6/2023/0591/HOUSE Submitted 16 Mar 2023 150 yards away

  Erection of single storey rear extension

  Granted Householder Extension
  Small domestic

• 9 Ellenbrook Crescent Hatfield AL10 9RP

  6/2023/0308/PN8 Submitted 8 Feb 2023 150 yards away

  Prior approval for the erection of a single storey rear extension measuring 4.5m in depth, 3.5m in height, 2.25m to the eaves

  Refused Prior approval Extension
  Small domestic

• 6/2026/1198/HOUSE Granted

  9 Mardley Hill Welwyn AL6 0UE

  Erection of single storey front, side and rear extension, raising the existing roof and formation of rear dormer. Alterations to the fenestration, including, installation of new windows and doors and external rendering and cladding, following the demolition of garage and porch

  Received 10 Jul, published by the council 24 Jul 2026 Householder
• 6/2026/1257/HOUSE Granted

  21 The Swallows Welwyn Garden City AL7 1BX

  Garage conversion with alterations to openings to front and rear elevations

  Received 17 Jul, published by the council 1 Aug 2026 Householder
• 6/2026/1293/HOUSE Granted

  33 Claves Crescent Welwyn Garden City AL7 1WN

  Erection of a single storey rear conservatory

  Received 22 Jul, published by the council 1 Aug 2026 Householder
• 6/2026/1202/HOUSE Granted

  40 Cecil Crescent Hatfield AL10 0HG

  Erection of single storey rear extension

  Received 10 Jul, published by the council 9 Aug 2026 Householder
• 6/2026/1228/HOUSE Granted

  109 Mount Way Welwyn Garden City AL7 4LA

  Erection of single storey front extension

  Received 13 Jul, published by the council 9 Aug 2026 Householder