15 Sauncey Avenue Harpenden Hertfordshire Al5 4Qq

1. 12 Feb 2026

   Received by St Albans

2. 13 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 7 Apr 2026

   Decision issued: DC3 Conditional Permission

4. 31 Aug 2026

   Added to PlanIndex

St Albans has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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.

• 8 Barton Close Harpenden Hertfordshire Al5 4Qt

  5/2026/0958 Submitted 18 May 2026 141m away

  Proposed out building for golf simulator

  Decided Householder 7 docs
  Domestic

• 6 Barton Close Harpenden Hertfordshire Al5 4Qt

  5/2026/0944 Submitted 14 May 2026 141m away

  Prior Notification - Single storey rear extension 3m in height x 6m in depth with 2.7m height to eaves

  Granted Prior approval Extension 13 docs
  Small domestic

• 6 Barton Close Harpenden Hertfordshire Al5 4Qt

  5/2026/0270 Submitted 13 Feb 2026 141m away

  Prior Notification - Single storey rear extension 3.0m in height x 6.0m in depth with 2.70m height to eaves

  Refused Prior approval Extension 13 docs
  Small domestic

• 6 Barton Close Harpenden Hertfordshire Al5 4Qt

  5/2026/1032 Submitted 26 May 2026 141m away

  Single storey and first floor rear extension, single storey front extension, loft conversion with front rooflights and rear dormer window, internal alterations

  Decided Householder Extension Loft or dormer +1 14 docs
  Small domestic

• Sir John Lawes School Manland Way Harpenden Hertfordshire Al5 4Qp

  5/2026/0621 Submitted 26 Mar 2026 182m away

  AMENDED INFORMATION - Discharge of Condition 7 (Construction Method Statement) and Biodiversity Gain Condition of planning permission 5/2025/1978 dated 25/02/2026 for Proposed development of a single storey teaching block with music practice rooms, perfor

  Granted Conditions 21 docs
  Small domestic

• Sir John Lawes School Manland Way Harpenden Hertfordshire Al5 4Qp

  5/2016/2641 Submitted 29 Aug 2016 182m away

  Discharge of Condition 3 (provision for tree planting) of planning permission 5/2015/2939 dated 07/01/2016 for Single storey classroom extension to provide additional science laboratory and enlargement of staff prep room

  Granted Conditions Extension 5 docs
  Small domestic

• 5/2026/1173 Decided

  6 Longacres St Albans Hertfordshire Al4 0Dr

  Demolition of existing outbuilding and construction of single storey rear extension

  18 Jun 2026 Householder
• 5/2026/0299 Decided

  12 Rowlatt Drive St Albans Hertfordshire Al3 4Nb

  Demolition of existing side and rear extension and construction of a canopy porch, part single, part two storey front, two storey side and single storey rear extension

  17 Feb 2026 Householder
• 5/2026/0318 Refused

  7 Ardens Way St Albans Hertfordshire Al4 9Uw

  Demolition of existing side canopy, detached garage, rear patio and garden shed and the construction of two storey front, side and rear extensions, together with part single storey rear extension and a front porch canopy and extension to driveway

  19 Feb 2026 Householder
• 5/2026/1139 Decided

  50 Fontmell Close St Albans Hertfordshire Al3 5Hu

  Single storey rear extension and side windows with top openers over 1.7m high

  10 Jun 2026 Householder
• 5/2026/0525 Decided

  11 Hillside Road Harpenden Hertfordshire Al5 4Bs

  Garage conversion, with part roof extension and new front porch extension

  17 Mar 2026 Householder