Sunnyside Essendon Hill Essendon Hatfield AL9 6AJ

1. 11 Jun 2026

   Received by Welwyn Hatfield

2. 23 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. 17 Aug 2026

   Decision issued: Granted

Welwyn Hatfield granted permission on 17 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.

• Land between The Manor House and Whitehall Field Cottage Essendon Hill Essendon AL9 6AJ

  6/2026/1068/COND Submitted 19 Jun 2026 188m away

  Submission of details pursuant of condition 15 (additional plans) on planning permission 6/2021/3290/FULL varied by 6/2025/0435/VAR

  Granted Conditions

• 1 Bury Cottages Essendon Hill Essendon Hatfield AL9 6AG

  6/2021/1283/LAWP Submitted 21 Apr 2021 276m away

  Certificate of lawfulness for the installation of a set of wooden, electric (remotely operated) driveway gates into an existing driveway

  Refused Lawful development

• 1 The Terrace West End Lane Essendon Hatfield AL9 6AU

  6/2026/1090/HOUSE Submitted 23 Jun 2026 301m away

  Erection of a single storey rear extension

  Granted Householder Extension 1 doc
  Small domestic

• 3 Church Cottages Church Street Essendon Hatfield Hertfordshire AL9 6AS

  6/2022/2879/COND Submitted 20 Dec 2022 333m away

  Submission of details pursuant to condition 1 (Design and materials of staircase and guarding) on planning permission 6/2022/1956/LB

  Granted Conditions

• Wytmead Essendon Hill Essendon Hatfield AL9 6AW

  6/2026/0690/LB Submitted 17 Apr 2026 351m away

  Repair and replacement of existing roof tiles, the removal of one existing rooflight, and the replacement of two rooflights, rebuilding of an existing chimney reconstructed to match the form of the adjacent chimney on the same elevation.

  Granted Heritage and listed buildings Loft or dormer Roofing

• Wytmead Essendon Hill Essendon Hatfield AL9 6AW

  6/2026/1408/HOUSE Submitted 10 Aug 2026 351m away

  85% historically approved · decision due ~6 Oct

  Reinstatement of the previously truncated chimney

  Awaiting decision Householder 1 doc
  Domestic

• 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