3 Ashcroft Close Harpenden Hertfordshire Al5 1Jj

1. 3 Sep 2026

   Received by St Albans

2. 4 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 4 Oct 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 30 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   St Albans took a median of 76 days over the applications it decided in the last year.

This application is with St Albans for determination, against a statutory target of eight weeks. Over the last year St Albans decided householder applications in a median of 110 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.

• 12 Leycroft Way Harpenden Hertfordshire Al5 1Jw

  5/2026/1067 Submitted 2 Jun 2026 100 yards away

  89% historically approved · decision due ~29 Jul

  First floor side extension over existing single storey side projection, with new pitched roof to match existing roof form and front elevational treatment in character with existing building. Garage conversion to habitable accommodation. Alterations to exi

  Awaiting decision Householder Extension 16 docs
  Small domestic

• 9 Leycroft Way Harpenden Hertfordshire Al5 1Jw

  5/2025/1666 Submitted 9 Sep 2025 100 yards away

  Infilling of side window, enlarged the rear doors and installation of roof lights

  Granted Householder Loft or dormer Windows or glazing 10 docs
  Domestic

• 29 Leycroft Way Harpenden Hertfordshire Al5 1Jw

  5/2016/1811 Submitted 8 Jun 2016 100 yards away

  Part single part two storey side extension following demolition of existing garage, alteration to ground floor roof over the entrance porch and alterations to first floor roof incorporating rooflights

  Granted Householder Extension Loft or dormer +1 15 docs
  Small domestic

• 70 Meadway Harpenden Hertfordshire Al5 1Jq

  5/2026/1451 Submitted 31 Jul 2026 150 yards away

  89% historically approved · decision due ~28 Sep

  Alteration to roof and increase in ridge height, construction of 3 x front roof lights, 2 x flat roof rear dormers and 1 x rear roof light to facilitate the conversion of the loft space to habitable accommodation

  Awaiting decision Householder Loft or dormer Roofing 13 docs
  Domestic

• 30 Aldwick Road Harpenden Hertfordshire Al5 1Ng

  5/2025/2357 Submitted 24 Dec 2025 250 yards away

  Prior Notification - Single storey rear extension 2.90m in height x 4.50m in depth with 2.60m height to eaves

  Refused Prior approval Extension 17 docs
  Small domestic

• 20 Aldwick Road Harpenden Hertfordshire Al5 1Ng

  5/2026/1310 Submitted 7 Jul 2026 250 yards away

  89% historically approved · decision due ~2 Sep

  First floor rear extension with insertion of windows to side elevation

  Awaiting decision Householder Extension Windows or glazing 11 docs
  Domestic

• 5/2026/0517 Granted

  28 White Hedge Drive St Albans Hertfordshire Al3 5Tt

  Proposed two-storey rear extension, loft conversion, and alterations to the existing front entrance porch

  Received 16 Mar, published by the council 31 Aug 2026 Householder
• 5/2026/1055 Granted

  39 Oakwood Drive St Albans Hertfordshire Al4 0Ul

  Erection of a part single-storey, part two-storey wraparound extension, loft conversion including a rear dormer and rooflights, and construction of a front porch

  Received 1 Jun, published by the council 24 Jul 2026 Householder
• 5/2026/1278 Granted

  39 Foxcroft St Albans Hertfordshire Al1 5Ss

  Proposed C3 residential extension including two storey front and single storey front and side with internal alterations

  Received 1 Jul, published by the council 24 Jul 2026 Householder
• 5/2026/1170 Granted

  20 Nimrod Close St Albans Hertfordshire Al4 9Xy

  Extension of existing raised rear terrace with privacy screening and associated alterations to rear fenestration

  Received 17 Jun, published by the council 24 Jul 2026 Householder
• 5/2026/1338 Granted

  16 Hunters Ride Bricket Wood Hertfordshire Al2 3Lx

  Proposed front porch

  Received 11 Jul, published by the council 9 Aug 2026 Householder