51-53 London Road Woolmer Green SG3 6JE

1. 18 Aug 2026

   Received by Welwyn Hatfield

2. 26 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 31 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 21 October 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 full applications in a median of 102 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 43 London Road Woolmer Green Hertfordshire SG3 6JE

  6/2023/0582/HOUSE Submitted 14 Mar 2023 100 yards away

  Erection of a part single storey, part two storey rear extension with juliet balcony and rooflights, alterations to porch and existing openings, insertion of new windows in flank wall and removal of chimney, following the demolition of the existing rear conservatory

  Granted Householder Extension Loft or dormer +2
  Small domestic

• 43 London Road Woolmer Green Hertfordshire SG3 6JE

  6/2022/2619/HOUSE Submitted 16 Nov 2022 100 yards away

  Erection of a part single storey, part two storey rear extension with Juliet balcony and rooflights, alterations to porch and existing openings, insertion of new windows in flank wall, removal of chimney, and alteration of external materials from dashed render with smooth painted render, following the demolition of the existing rear conservatory

  Refused Householder Extension Loft or dormer +2
  Small domestic

• 43 London Road Woolmer Green SG3 6JE

  6/2022/2611/LAWP Submitted 15 Nov 2022 100 yards away

  Certificate of lawfulness for the provision of a twin unit mobile home (caravan) within the existing lawful planning unit to provide additional accommodation for a family member as part of one household will not comprise development.

  Granted Lawful development

• Knebworth Care Home 59 London Road Woolmer Green SG3 6JE

  6/2026/1643/FULL Submitted 21 Sep 2026 100 yards away

  80% historically approved · decision due ~18 Nov

  Reconfiguration and extension of the existing car parking provision to provide 10 additional parking spaces, relocation of cycle parking, enlarged refuse/bin store, associated hard and soft landscaping, removal of two existing trees, relocation of an existing shed, and associated site works

  Awaiting decision Full applications Extension Trees
  Small domestic

• 59 London Road Woolmer Green Knebworth SG3 6JE

  6/2024/1386/COND Submitted 19 Jul 2024 100 yards away

  Confirmation that condition 11 (contaminated land) on planning application N6/2009/0950/MA has been discharged

  Granted Conditions

• 4 Bridge Road Woolmer Green SG3 6JG

  6/2024/1309/HOUSE Submitted 9 Jul 2024 100 yards away

  Erection of a porch extension

  Granted Householder Extension
  Small domestic

• 6/2026/1052/FULL Granted

  Unit 3 Woodside Lane Hatfield AL9 6DE

  Retention of an extension to the existing building and the erection of a rear extension following demolition of existing buildings (part retrospective)

  Received 17 Jun, published by the council 24 Jul 2026 Full applications
• 6/2026/1264/FULL Granted

  53 Brookmans Avenue Brookmans Park AL9 7QG

  Erection of dwelling with boundary wall and gates following demolition of existing property

  Received 17 Jul, published by the council 15 Aug 2026 Full applications
• 6/2026/1337/FULL Granted

  Royal Veterinary College Hawkshead Lane North Mymms AL9 7TA

  Relocation of the Transfusion Medicine Vet Pod and associated parking, landscaping and associated works

  Received 30 Jul, published by the council 9 Aug 2026 Full applications
• 6/2026/1689/MAJ Awaiting decision

  Howlands House Howlands Welwyn Garden City AL7 4QJ

  Erection of a single 3 and 4-storey building comprising 44 temporary accommodation homes, staff office and laundry facilities, children's play space, cycle and vehicular parking, associated servicing, plant enclosure, substation, landscaping and external works.

  Received 25 Sep, published by the council 1 Oct 2026 Full applications
• 6/2026/0952/FULL Granted

  18 Fallowfield Welwyn Garden City AL7 1EE

  Retrospective application for change of use from amenity land to residential land to form part hardstanding and part garden land at the front of the property and installation of a drop kerb

  Received 1 Jun, published by the council 24 Jul 2026 Full applications