28 Sibley Avenue Harpenden Hertfordshire Al5 1Hf

1. 20 Mar 2026

   Received by St Albans

2. 14 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. 9 Aug 2026

   Status changed to Under Consultation

   Previously Under Consideration.

5. 31 Aug 2026

   Status changed to Under Consideration

   Previously Under Consultation.

6. 18 Sep 2026

   Decision issued: DC3 Conditional Permission

St Albans granted permission on 18 September 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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.

• 59 Sibley Avenue Harpenden Hertfordshire Al5 1Hf

  5/2026/0594 Submitted 25 Mar 2026 50 yards away

  Double storey front, side and rear extension and loft conversion including raising of ridge height. Crown roof with side and rear dormers. Alterations to openings

  Refused Householder Extension Loft or dormer +1 11 docs
  Domestic

• 2 Meadway Harpenden Hertfordshire Al5 1Jl

  5/2026/0423 Submitted 5 Mar 2026 100 yards away

  Single storey side extension, garage conversion with alterations to fenestrations and external materials

  Granted Householder Extension 14 docs
  Small domestic

• 39 Grove Avenue Harpenden Hertfordshire Al5 1Ey

  5/2026/1598 Submitted 28 Aug 2026 150 yards away

  89% historically approved · decision due ~27 Oct

  Single storey side extension and alterations to fenestration

  Awaiting decision Householder Extension Windows or glazing 7 docs
  Small domestic

• 33 Paddock Wood Harpenden Hertfordshire Al5 1Ju

  5/2017/3344 Submitted 24 Nov 2017 200 yards away

  Single storey side and rear extension, raising and extension of roof to provide habitable loft accommodation with front dormer windows, side and rear rooflights and rear juliette balcony and alterations to openings

  Granted Householder Extension Loft or dormer +1 11 docs
  Small domestic

• 12 Leycroft Way Harpenden Hertfordshire Al5 1Jw

  5/2026/1067 Submitted 2 Jun 2026 200 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 200 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

• 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