46 Chesterton Avenue Harpenden Hertfordshire Al5 5Su

1. 22 May 2026

   Received by St Albans

2. 23 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 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.

• 63 Chesterton Avenue Harpenden Hertfordshire Al5 5Su

  5/2021/1641 Submitted 31 May 2021 0m away

  Certificate of Lawfulness (proposed) - Construction of a front porch

  Granted Lawful development Extension 10 docs
  Small domestic

• 36 Chesterton Avenue Harpenden Hertfordshire Al5 5St

  5/2017/3059 Submitted 31 Oct 2017 74m away

  Two storey front extension, single storey rear, chimney stack enlargement upon the side elevation, partial garage conversion, insertion of window to side elevation, alterations to openings and installation of rooflights following demolition of existing co

  Granted Householder Extension Loft or dormer +2 16 docs
  Small domestic

• 7 Chesterton Avenue Harpenden Hertfordshire Al5 5St

  5/2021/1700 Submitted 7 Jun 2021 74m away

  Non-Material Amendment - Extend approved porch by 20cm and insert a non-opening window to side elevation of planning permission 5/20193247 dated 21/02/2020 for Two storey side extension, part single, part two storey rear extension with roof lights followi

  Granted Amendments Extension Loft or dormer +1 7 docs
  Small domestic

• 77 Crabtree Lane Harpenden Hertfordshire Al5 5Px

  5/2016/2978 Submitted 2 Oct 2016 100m away

  The application is for a two storey side extension, single storey rear extension, front and rear dormer and alterations to the roof. (resubmission following refusal of 5/2016/2145)

  Granted Householder Extension Loft or dormer 9 docs
  Small domestic

• 31 Highfield Avenue Harpenden Hertfordshire Al5 5Ub

  5/2026/1558 Submitted 20 Aug 2026 137m away

  Certificate of Lawfulness ( Proposed) - Proposed rear single-storey extension, side single-storey extension and removal of rear chimney stack

  Granted Lawful development Extension 8 docs
  Small domestic

• 11 Highfield Avenue Harpenden Hertfordshire Al5 5Ub

  5/2016/2647 Submitted 23 Aug 2016 137m away

  Raising of and alterations to roof from hip to half hip roof form to create habitable loft accommodation with two rear dormer windows and rooflights and removal of one existing chimney

  Refused Householder Loft or dormer Windows or glazing 13 docs
  Domestic

• 5/2026/1089 Granted

  25 High Firs Crescent Harpenden Hertfordshire Al5 1Nb

  Removal of the existing flat roof and construction of a pitched roof to the front elevation

  5 Jun 2026 Householder
• 5/2026/0989 Granted

  Mabel 30 Faircross Way St Albans Hertfordshire Al1 4Sd

  Construction of single storey garden golf studio

  18 May 2026 Householder
• 5/2026/0631 Granted

  28 Wroxham Way Harpenden Hertfordshire Al5 4Pp

  Proposed two storey side and rear extension and single storey rear extension, alterations to patio, boundary treatments and landscaping.

  27 Mar 2026 Householder
• 5/2026/1265 Granted

  43 Granby Avenue Harpenden Hertfordshire Al5 5Qp

  Following demolition of store rooms etc, proposed two-storey side and rear extensions, single-storey side and rear extensions along with internal and external alterations, new openings and chimney removal

  30 Jun 2026 Householder
• 5/2026/1152 Granted

  43A Moreton End Lane Harpenden Hertfordshire Al5 2Ha

  Addition of flat roof dormers to the first-floor ensuite bathroom on both the front and rear elevations. New utility room added to the rear of the garage space.

  15 Jun 2026 Householder