12 Melbourne Court Welwyn Garden City AL8 6LL

1. 24 Jun 2026

   Received by Welwyn Hatfield

2. 13 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. 22 Aug 2026

   Status changed to Under Consideration

   Previously Under Consultation.

5. Decision

   Awaiting decision

   Decision expected by 7 September 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 60 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.

• 224 Handside Lane Welwyn Garden City AL8 6TD

  6/2024/1364/EMT Submitted 17 Jul 2024 58m away

  Removal of Oak tree (T1) to ground level.

  Granted Trees

• 196 Handside Lane Welwyn Garden City AL8 6TD

  6/2024/1770/EM Submitted 12 Sep 2024 80m away

  Erection of single storey rear extension, loft conversion with rear facing dormer and rooflight to existing rear facing roof, timber gate and glazed canopy to side access and alterations to existing side elevation, following the demolition of outbuilding

  Granted Extension Loft or dormer +2
  Small domestic

• 196 Handside Lane Welwyn Garden City AL8 6TD

  6/2024/1780/HOUSE Submitted 16 Sep 2024 80m away

  Erection of a single storey rear/side extension following the demolition of outbuilding, installation of rear facing dormer and rooflight to facilitate loft conversion, timber gate and glazed canopy to side access, replacement of window for door

  Granted Householder Extension Loft or dormer +2
  Small domestic

• 17 Attimore Road Welwyn Garden City AL8 6LH

  6/2026/0938/VAR Submitted 28 May 2026 93m away

  Variation of Condition 2 (approved plans) on planning permission 6/2025/2490/HOUSE

  Withdrawn Amendments
  Major scheme

• 17 Attimore Road Welwyn Garden City AL8 6LH

  6/2021/1893/EM Submitted 21 Jun 2021 93m away

  Erection of single storey glass rear extension and internal remodelling

  Granted Extension
  Small domestic

• 17 Attimore Road Welwyn Garden City AL8 6LH

  6/2026/1069/EM Submitted 19 Jun 2026 93m away

  Changes to the fenestration to the site and rear elevation

  Granted Windows or glazing

• 6/2026/1198/HOUSE Granted

  9 Mardley Hill Welwyn AL6 0UE

  Erection of single storey front, side and rear extension, raising the existing roof and formation of rear dormer. Alterations to the fenestration, including, installation of new windows and doors and external rendering and cladding, following the demolition of garage and porch

  Received 10 Jul, published by the council 24 Jul 2026 Householder
• 6/2026/1257/HOUSE Granted

  21 The Swallows Welwyn Garden City AL7 1BX

  Garage conversion with alterations to openings to front and rear elevations

  Received 17 Jul, published by the council 1 Aug 2026 Householder
• 6/2026/1293/HOUSE Granted

  33 Claves Crescent Welwyn Garden City AL7 1WN

  Erection of a single storey rear conservatory

  Received 22 Jul, published by the council 1 Aug 2026 Householder
• 6/2026/1202/HOUSE Granted

  40 Cecil Crescent Hatfield AL10 0HG

  Erection of single storey rear extension

  Received 10 Jul, published by the council 9 Aug 2026 Householder
• 6/2026/1228/HOUSE Granted

  109 Mount Way Welwyn Garden City AL7 4LA

  Erection of single storey front extension

  Received 13 Jul, published by the council 9 Aug 2026 Householder