3A Pipers Avenue Harpenden Hertfordshire Al5 1Hb

1. 23 Apr 2026

   Received by St Albans

2. 1 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. 25 Aug 2026

   Decision issued: DC3 Conditional Permission

St Albans granted permission on 25 August 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.

• 20 Pipers Avenue Harpenden Hertfordshire Al5 1Hb

  5/2016/3713 Submitted 12 Dec 2016 50 yards away

  Single storey rear extension with rooflights

  Granted Householder Extension Loft or dormer 9 docs
  Small domestic

• 28 Pipers Avenue Harpenden Hertfordshire Al5 1Hb

  5/2026/0228 Submitted 9 Feb 2026 50 yards away

  Single storey rear extension, loft conversion, external material changes to dwelling, porch window added to front elevation

  Granted Householder Extension Loft or dormer +1 8 docs
  Small domestic

• 28 Pipers Avenue Harpenden Hertfordshire Al5 1Hb

  5/2026/1273 Submitted 1 Jul 2026 50 yards away

  89% historically approved · decision due ~27 Aug

  First Floor Rear Extension ontop of single storey extension approved under Planning Permission 5/2026/0228.

  Awaiting decision Householder Extension 5 docs
  Small domestic

• 23 Grove Avenue Harpenden Hertfordshire Al5 1Eu

  5/2017/2661 Submitted 20 Sep 2017 100 yards away

  Demolition of existing bungalow and construction of two, three bedroom semi-detached dwelling (resubmission following withdrawal of 5/2017/1878) - Additional Daylight and Sunlight Report Submitted

  Refused New dwelling Demolition 34 docs
  Domestic

• 3 Grove Avenue Harpenden Hertfordshire Al5 1Eu

  5/2026/0028 Submitted 7 Jan 2026 100 yards away

  Single storey rear extension

  Granted Householder Extension 16 docs
  Small domestic

• 60 Grove Road Harpenden Hertfordshire Al5 1Es

  5/2017/3062 Submitted 26 Oct 2017 100 yards away

  Certficate of Lawfulness (proposed) - Hipped to half-hipped loft conversion with front rooflight and rear dormer window

  Granted Lawful development Loft or dormer Windows or glazing 7 docs

• 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