16 Oak Road Woolmer Green SG3 6LS

This site has had 2 applications since 2026.

• 6/2026/1459/HOUSE Awaiting decision

  16 Oak Road Woolmer Green SG3 6LS

  Erection of annexe

  Submitted 19 Aug 2026 Householder

1. 20 Aug 2026

   Received by Welwyn Hatfield

2. 21 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 7 Sep 2026

   Added to PlanIndex

4. 1 Oct 2026

   Status changed to Under Consideration

   Previously Under Consultation.

5. Decision

   Awaiting decision

   Decision expected by 16 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 householder applications in a median of 59 days. More in our guide to how long planning decisions take.

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.

• 16 Oak Road Woolmer Green SG3 6LS

  6/2026/1459/HOUSE Submitted 19 Aug 2026 50 yards away

  87% historically approved · decision due ~14 Oct

  Erection of annexe

  Awaiting decision Householder
  Domestic

• 12 Broadfield Road Woolmer Green Hertfordshire SG3 6LZ

  6/2023/0391/HOUSE Submitted 20 Feb 2023 100 yards away

  Erection of a single storey side/rear extension and partial garage conversion, with alterations to fenestration

  Granted Householder Extension Windows or glazing
  Small domestic

• 4 Holly Road Woolmer Green SG3 6LL

  6/2021/1031/HOUSE Submitted 29 Mar 2021 150 yards away

  Retrospective application for erection of front porch

  Granted Householder Extension
  Small domestic

• 2 Mardleybury Court Woolmer Green Knebworth SG3 6LP

  6/2019/2855/COND Submitted 12 Nov 2019 300 yards away

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

  Granted Conditions

• 50 Carvers Croft Woolmer Green Hertfordshire SG3 6LX

  6/2023/0296/LAWP Submitted 7 Feb 2023 300 yards away

  Certificate of lawfulness for the erection of a single storey rear extension

  Granted Lawful development Extension
  Small domestic

• 10 London Road Woolmer Green SG3 6JP

  6/2021/1932/LB Submitted 25 Jun 2021 350 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

• 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