Dickson House Clayton House Forum House Lemsford Road Hatfield AL10 0FE

1. 9 Jun 2026

   Received by Welwyn Hatfield

2. 26 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. 20 Aug 2026

   Decision issued: Granted

Welwyn Hatfield granted permission on 20 August 2026, 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.

• 8 Lemsford Road Hatfield AL10 0DH

  6/2026/0718/PN8 Submitted 23 Apr 2026 0.1 miles away

  Prior approval for the erection of a single storey rear extension measuring 6m in depth, 3.07m in height and 2.46m to the eaves following the demolition of existing outbuilding

  Granted Prior approval Extension Demolition
  Small domestic

• 15 Ely Close Hatfield AL10 0DW

  6/2026/0419/FULL Submitted 6 Mar 2026 0.1 miles away

  Retrospective change of use from a dwellinghouse (use class C3) to a 4 bedroom HMO (use class C4) and installation of a bike shed

  Granted Full applications
  Small domestic

• 46a Curzon Point The Common Hatfield AL10 0LU

  6/2025/2062/FULL Submitted 26 Sep 2025 0.1 miles away

  Change of use to allow for private residential use (HMO) at purpose built student accommodation

  Refused Full applications

• 7 Ely Close Hatfield AL10 0DW

  6/2026/1189/LAWE Submitted 8 Jul 2026 0.1 miles away

  81% historically approved · decision due ~2 Sep

  Certificate of lawfulness for the existing use of the property as a HMO (C4)

  Awaiting decision Lawful development

• Hatfield Swim Centre Lemsford Road Hatfield AL10 0RU

  6/2021/1787/FULL Submitted 9 Jun 2021 0.1 miles away

  Installation of 2 air source heat pumps and associated air to water heat pumps within an acoustic enclosure

  Granted Full applications 1 doc

• Unit 2 184 St Albans Road West Hatfield AL10 0TF

  6/2021/0552/FULL Submitted 22 Feb 2021 0.1 miles away

  Permanent Change of use from a B1/B8 (Industrial /Warehouse) to a D1 (non residential institution) for use as a Place of Worship/community centre after expiration of temporary permission which ends on the 15 September 2021(06/2016/0737/FP)

  Granted Full applications

• 6/2026/1370/LAWP Granted

  17-17A Mill Lane Welwyn AL6 9EU

  Certificate of lawfulness for the change of use of offices to 3 x 2 bedroom flats

  Received 3 Aug, published by the council 15 Aug 2026 Lawful development
• 6/2026/1218/LAWP Granted

  43 Great Ley Welwyn Garden City AL7 4TJ

  Certificate of lawfulness for rear dormer roof extension to form a loft conversion

  Received 13 Jul, published by the council 9 Aug 2026 Lawful development
• 6/2026/1250/LAWP Granted

  40 Dellsome Lane Welham Green Hatfield AL9 7ND

  Certificate of lawfulness for Class A - Larger single storey rear extension (previously subject to prior approval application ref: 6/25/1851/PN8), Class B - Roof extension/hip to gable conversion, Class C - Other alterations to roof

  Received 16 Jul, published by the council 9 Aug 2026 Lawful development
• 6/2026/1210/LAWE Refused

  9 Flamingo Close Hatfield AL10 9LU

  Certificate of lawfulness for the existing use of the property as a HMO (Use Class C4) in continuous use for over 10 years

  Received 10 Jul, published by the council 9 Aug 2026 Lawful development
• 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

  Received 27 Apr, published by the council 24 Jul 2026 Lawful development