24 Hawkshead Lane North Mymms AL9 7TB

1. 20 Apr 2026

   Received by Welwyn Hatfield

2. 15 Jun 2026

   Decision issued: Refused

3. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 22 Hawkshead Lane Hatfield AL9 7TB

  6/2021/2348/LAWP Submitted 9 Aug 2021 50 yards away

  Certificate of lawfulness for the erection of a 3m two storey rear extension

  Granted Lawful development Extension

• 22 Hawkshead Lane Hatfield AL9 7TB

  6/2021/2347/LAWP Submitted 9 Aug 2021 50 yards away

  Certificate of lawfulness for the creation of loft conversion incorporating hip to gable enlargements, introduction of rear dormer and insertion of front, side and rear roof lights.

  Granted Lawful development Loft or dormer

• 22 Hawkshead Lane Hatfield AL9 7TB

  6/2021/2349/LAWP Submitted 9 Aug 2021 50 yards away

  Certificate of lawfulness for the erection of a single storey side extension to side of original dwelling only.

  Granted Lawful development Extension
  Small domestic

• 41 Hawkshead Lane North Mymms AL9 7TD

  6/2024/2244/COND Submitted 21 Nov 2024 300 yards away

  Submission of details pursuant to Condition 1 (Construction Method Statement), 2 (Reptile Survey), 3 (Tree Survey), 4 (Arboricultural Impact Assessment), 5 (Biodiversity), 6 (Samples of the Materials), 7 (Crown Roofs), 8 (Landscape Works) 9 (Energy Statement) 11 (EV Charging) 12 (Vehicular areas) 13 (Cycle and Refuse/Recycling Storage) on planning permission 6/2022/1308/FULL

  Split decision Conditions Trees

• Royal Veterinary College Hawkshead Lane North Mymms AL9 7TA

  6/2024/2399/COND Submitted 18 Dec 2024 350 yards away

  Submission of details pursuant to condition 1 (Travel Plan) on planning permission 6/2018/2943/MAJ

  Refused Conditions

• Hawkshead Lane North Mymms Brookmans Park Hatfield AL9 7TA

  6/2023/0424/PN15 Submitted 23 Feb 2023 400 yards away

  Erection of a 15m high slim-line monopole with 3 no. antennas, 3 no. equipment cabinets and ancillary development

  Refused Prior approval

• 6/2026/1408/HOUSE Granted

  Wytmead Essendon Hill Essendon Hatfield AL9 6AW

  Reinstatement of the previously truncated chimney

  Received 10 Aug, published by the council 31 Aug 2026 Householder
• 6/2026/1170/HOUSE Granted

  6 Highfields Cuffley Potters Bar EN6 4EL

  Conversion of garage into study room with alterations to the front elevation, repositioning of lower ground floor entrance hall, erection of two storey infill side extension with internal alterations, replacement of existing front and side building brickwork with K-Render finish, removal of chimney and installation of 2 rooflights

  Received 6 Jul, published by the council 30 Jul 2026 Householder
• 6/2026/1177/HOUSE Granted

  Red Lodge High Road Essendon Hatfield AL9 6HU

  Erection of two single-storey side extensions, detached garage with barn-hipped roof and photovoltaic panels, relocated garden room and associated works to hardstanding and site layout.

  Received 7 Jul, published by the council 9 Aug 2026 Householder
• 6/2026/1376/HOUSE Granted

  18 Briary Wood Lane Welwyn AL6 0TF

  Erection of a single storey ground floor extension & part two storey rear, raising the roof and alterations to facilitate loft conversion to include new crown roof with front & rear dormers

  Received 4 Aug, published by the council 22 Aug 2026 Householder
• 6/2026/1392/HOUSE Granted

  1 Little Wade Welwyn Garden City AL7 4LE

  Erection of a single storey rear extension

  Received 6 Aug, published by the council 15 Aug 2026 Householder