27 Ambrose Lane Harpenden Hertfordshire Al5 4Dg

1. 10 Jun 2026

   Received by St Albans

2. 11 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. 9 Aug 2026

   Status changed to Under Consideration

   Previously Under Consultation.

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.

• 14A Clarence Road Harpenden Hertfordshire Al5 4Ah

  TP/2026/0233 Submitted 13 May 2026 87m away

  5 day notice T1 Leylandii - Fell (stump remain with wood to at base T2 Cherry - Crown reduction by 4-5m approx and shape where necessary T3 Cherry (extensive dieback in crown, stem liable to collapse) - Fell (stump to remain)

  Decided Trees 6 docs

• 17 Lambourn Gardens Harpenden Hertfordshire Al5 4Dq

  5/2017/1788 Submitted 22 Jun 2017 103m away

  Two storey side and single storey rear extension with rooflights following demolition of garage, new vehicle access and crossover

  Granted Householder Extension Loft or dormer +1 12 docs
  Small domestic

• 17 Lambourn Gardens Harpenden Hertfordshire Al5 4Dq

  5/2017/2614 Submitted 17 Sep 2017 103m away

  Two storey side and rear extension and single storey rear extension to allow for the subdivision of the existing dwelling into two semi-detached dwellings following demolition of existing garage and creation of new vehicle crossover

  Granted Extension Demolition 19 docs
  Small domestic

• 41 Ambrose Lane Harpenden Hertfordshire Al5 4Bu

  5/2026/1189 Submitted 22 Jun 2026 119m away

  Two-storey rear extension, together with internal reconfigurations and associated fenestration alterations.

  Decided Householder Extension Windows or glazing 17 docs
  Domestic

• 51 Ambrose Lane Harpenden Hertfordshire Al5 4Bu

  5/2016/2590 Submitted 19 Aug 2016 119m away

  Removal of Conditions 4 (protection of trees), 5 (tree/natural feature protection: fencing) and 6 (method statement for protection of trees) of Planning permission 5/2016/0028 dated 13/04/2016 for Part single, part two storey rear extension with chimney a

  Granted Householder Extension Trees 7 docs
  Domestic

• 17 Akrill House Hollybush Lane Harpenden Hertfordshire Al5 4Bj

  5/2017/2751 Submitted 1 Oct 2017 132m away

  Replacement of two windows

  Granted Windows or glazing 12 docs

• 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