79 Mill Green Road Welwyn Garden City AL7 3UX

This site has had 2 applications since 2025.

• 6/2025/2294/EM Awaiting decision

  79 Mill Green Road Welwyn Garden City AL7 3UX

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

  Submitted 29 Oct 2025

1. 10 Nov 2025

   Received by Welwyn Hatfield

2. 11 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 6 January 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.

• 79 Mill Green Road Welwyn Garden City AL7 3UX

  6/2025/2294/EM Submitted 29 Oct 2025 0m away

  90% 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

• 71 Mill Green Road Welwyn Garden City AL7 3UX

  6/2021/1120/EMH Submitted 6 Apr 2021 26m away

  Installation of rooflights to rear elevation

  Granted Householder Loft or dormer
  Domestic

• 68 Mill Green Road Welwyn Garden City AL7 3XF

  6/2023/0385/EM Submitted 20 Feb 2023 67m away

  Erection of single storey rear and side extension

  Granted Extension
  Small domestic

• 68 Mill Green Road Welwyn Garden City AL7 3XF

  6/2023/0381/HOUSE Submitted 20 Feb 2023 67m away

  Erection of single storey rear and side extension

  Granted Householder Extension
  Small domestic

• 64 Holwell Road Welwyn Garden City AL7 3RN

  6/2026/1234/EMT Submitted 14 Jul 2026 68m away

  1 x Silver maple (all tree works only over the garden of 5 Furzefield) to reduce to by 3m in height & reduce lateral branches by 2.5m

  Granted Trees

• 64 Holwell Road Welwyn Garden City AL7 3RN

  6/2026/1225/TC Submitted 13 Jul 2026 68m away

  1 x Silver maple to reduce to by 3m in height - only the section that is in line with boundary of No.5 Furzefield, reduce lateral branches that grow towards No.5 Furzefield by 2.5m. Reducing canopy to prevent excessive overhang to surrounding neighbours

  Granted Trees

• 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

  10 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

  17 Jul 2026 Householder
• 6/2026/1293/HOUSE Granted

  33 Claves Crescent Welwyn Garden City AL7 1WN

  Erection of a single storey rear conservatory

  22 Jul 2026 Householder
• 6/2026/1202/HOUSE Granted

  40 Cecil Crescent Hatfield AL10 0HG

  Erection of single storey rear extension

  10 Jul 2026 Householder
• 6/2026/1228/HOUSE Granted

  109 Mount Way Welwyn Garden City AL7 4LA

  Erection of single storey front extension

  13 Jul 2026 Householder