3 Longlands Road Welwyn Garden City AL7 3QD

1. 3 Sep 2026

   Received by Welwyn Hatfield

2. 22 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 29 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.

• 95 Mill Green Road Welwyn Garden City AL7 3XA

  6/2023/0212/HOUSE Submitted 30 Jan 2023 50 yards away

  Erection of a single storey side extension with front steps

  Withdrawn Householder Extension
  Small domestic

• 95 Mill Green Road Welwyn Garden City AL7 3XA

  6/2023/0250/EM Submitted 1 Feb 2023 50 yards away

  Erection of a single storey side extension with front steps

  Withdrawn Extension
  Small domestic

• 79 Mill Green Road Welwyn Garden City AL7 3UX

  6/2025/2358/HOUSE Submitted 10 Nov 2025 100 yards away

  87% historically approved · decision due ~6 Jan

  Erection of a two storey side extension, single storey rear extension and loft conversion with sun tunnels and rear rooflight, installation of replacement front door

  Awaiting decision Householder Extension Loft or dormer
  Small domestic

• 79 Mill Green Road Welwyn Garden City AL7 3UX

  6/2025/2294/EM Submitted 29 Oct 2025 100 yards away

  91% historically approved · decision due ~29 Dec

  Erection of a two storey side/single storey rear extension and loft conversion (resubmission of refused application 6/2025/0950/EM)

  Awaiting decision Extension Loft or dormer
  Small domestic

• 110 Mill Green Road Welwyn Garden City AL7 3XE

  6/2026/0345/EMT Submitted 24 Feb 2026 100 yards away

  3 x Leyland Cypress to reduce by around 6ft in height

  Granted Trees

• 110 Mill Green Road Welwyn Garden City AL7 3XE

  6/2021/1203/EMH Submitted 13 Apr 2021 100 yards away

  Extension of driveway to enable two cars to park

  Granted Householder Extension
  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