4 Holly Road Woolmer Green SG3 6LL

1. 29 Mar 2021

   Received by Welwyn Hatfield

2. 31 Mar 2021

   Validated

   Checked as complete and ready for consideration.

3. 7 Jun 2021

   Decision issued: Granted

4. 9 Aug 2026

   Added to PlanIndex

Welwyn Hatfield granted permission on 7 June 2021, 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.

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.

• 2 Mardleybury Court Woolmer Green Knebworth SG3 6LP

  6/2019/2855/COND Submitted 12 Nov 2019 100 yards away

  Submission of details pursuant to condition 6 (arboricultural method statement) on planning permission 6/2019/0909/FULL

  Granted Conditions

• 16 Oak Road Woolmer Green SG3 6LS

  6/2026/1459/HOUSE Submitted 19 Aug 2026 150 yards away

  87% historically approved · decision due ~14 Oct

  Erection of annexe

  Awaiting decision Householder
  Domestic

• 16 Oak Road Woolmer Green SG3 6LS

  6/2026/1472/HOUSE Submitted 20 Aug 2026 150 yards away

  87% historically approved · decision due ~16 Oct

  Erection of part single, part two storey rear extension, new windows and doors to existing side and rear elevations and installation of rooflight within the rear roofslope

  Awaiting decision Householder Extension Loft or dormer +1
  Domestic

• 10 London Road Woolmer Green SG3 6JP

  6/2021/1932/LB Submitted 25 Jun 2021 200 yards away

  Erection of rear extension and glazed link extension. Conversion of existing garage into habitable accommodation and internal ground floor alterations

  Refused Heritage and listed buildings Extension Windows or glazing

• 10 London Road Woolmer Green SG3 6JP

  6/2021/1931/HOUSE Submitted 25 Jun 2021 200 yards away

  Erection of rear extension and glazed link extension. Conversion of existing garage into habitable accommodation and internal ground floor alterations

  Refused Householder Extension Windows or glazing
  Domestic

• 9A London Road Knebworth SG3 6LG

  6/2021/1374/HOUSE Submitted 29 Apr 2021 200 yards away

  Erection of a single storey rear extension to facilitate dining room.

  Granted Householder Extension
  Small domestic

• 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