Land at Cooper’s Green North West Hatfield AL10 9FD

1. 22 Apr 2026

   Received by Welwyn Hatfield

2. 21 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. 9 Aug 2026

   Status changed to Under Consultation

   Previously Under Consideration.

5. 31 Aug 2026

   Status changed to Under Consideration

   Previously Under Consultation.

6. 9 Sep 2026

   Decision issued: Determined

Welwyn Hatfield has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

An outline application tests the principle of developing a site, holding back details such as appearance and landscaping as reserved matters for later approval. More in our guide to planning application types.

• 31 Great Braitch Lane Hatfield AL10 9FD

  6/2024/0979/FULL Submitted 24 May 2024 200 yards away

  Retention of change of use of amenity land to residential, with retention of new fence to boundary

  Granted Full applications
  Small domestic

• 31 Great Braitch Lane Hatfield AL10 9FD

  6/2021/1403/LAWP Submitted 4 May 2021 200 yards away

  Certificate of lawfulness for the erection of a single storey rear extension following demolition of existing rear conservatory

  Granted Lawful development Extension Demolition
  Small domestic

• Land Between A1M And Coopers Green Lane Hatfield Hertfordshire

  5/2026/1486 Submitted 5 Aug 2026 250 yards away

  88% historically approved · decision due ~30 Sep

  Request for screening opinion in respect of a hybrid application

  Awaiting decision Outline 16 docs

• 42 Daffodil Close Hatfield Hertfordshire AL10 9FF

  6/2022/2901/HOUSE Submitted 22 Dec 2022 350 yards away

  Erection of 3 storey extension to front elevation, ground floor rear extension, garage conversion to granny annex and first floor gym area.

  Refused Householder Extension
  Small domestic

• 3 Buttercup Close Hatfield AL10 9FH

  6/2021/1578/HOUSE Submitted 18 May 2021 400 yards away

  Erection of a single storey rear extension following demolition of existing conservatory; garage conversion and first floor extension over existing garage including front dormer

  Granted Householder Extension Loft or dormer +1
  Small domestic

• 26 Daffodil Close Hatfield AL10 9FF

  6/2023/0141/HOUSE Submitted 20 Jan 2023 400 yards away

  Insertion of front facing window to facilitate the conversion of garage into habitable space and installation of additional front hardstanding

  Granted Householder Windows or glazing
  Domestic

• 6/2025/0871/OUTLINE Granted

  Land at Pooleys Lane Welham Green AL9 7LQ

  Outline application for up to 80 dwellings with all matters reserved except access

  Received 12 May, published by the council 24 Jul 2026 Outline
• 6/2026/1448/PIP Awaiting decision

  Land North of 58 Bell Lane Brookmans Park AL9 7AY

  Permission in principle for the erection of a single dwelling

  Received 18 Aug, published by the council 25 Aug 2026 Outline
• 6/2026/0649/EIA Decided

  Land South of Northaw Road East Cuffley

  Request for a screening opinion to determine whether an Environmental Statement is required in relation to the development of up to approximately 200-250 dwellings with associated landscaping and public open space

  Received 13 Apr, published by the council 9 Aug 2026 Outline
• 6/2026/0765/EIA Decided

  Small Animal Hospital at the Hawkshead Campus of the Royal Veterinary College AL9 7TA

  Request for a screening opinion for proposal to implement the proposals for a new Small Animal Hospital as per the Approved Hawkshead Campus Masterplan (2018): Request for an Environmental Impact Assessment (EIA) Screening Opinion under Regulations 5 and 6 of the Town and Country Planning (E nvironmental Impact Assessment) Regulations 2017 (as amended)

  Received 30 Apr, published by the council 9 Aug 2026 Outline
• 6/2026/0902/PIP Awaiting decision

  Site Of Former Swan Stables Woodside Lane AL9 6DE

  Residential development of five units

  Received 20 May, published by the council 24 Jul 2026 Outline