77 Crabtree Lane Harpenden Hertfordshire Al5 5Px

1. 2 Oct 2016

   Received by St Albans

2. 3 Oct 2016

   Validated

   Checked as complete and ready for consideration.

3. 1 Feb 2017

   Decision issued: DC3 Conditional Permission

4. 15 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.

• 46 Chesterton Avenue Harpenden Hertfordshire Al5 5Su

  5/2026/1016 Submitted 22 May 2026 100m away

  New porch and conservatory

  Decided Householder Extension 10 docs
  Small domestic

• 109 Overstone Road Harpenden Hertfordshire Al5 5Pl

  5/2026/0639 Submitted 27 Mar 2026 133m away

  Proposed two-storey rear extension along with internal and external alterations and chimney removal

  Decided Householder Extension 11 docs
  Domestic

• 14 Gilpin Green Harpenden Hertfordshire Al5 5Nr

  5/2017/2575 Submitted 10 Sep 2017 169m away

  Non Material Amendment - Removal of window from front elevation and centralisation of front door to planning permission 5/2017/1375 dated 30/06/2017 for Single storey front, side and rear extensions, rear patio, concrete paving for additional parking spac

  Granted Amendments Extension Windows or glazing 4 docs
  Small domestic

• 72 Crabtree Lane Harpenden Hertfordshire Al5 5Ns

  5/2026/0933 Submitted 13 May 2026 221m away

  Certificate of Lawfulness (proposed) - Demolition of the existing conservatory and the construction of a replacementsingle-storey orangery extension to the rear of the dwellinghouse.Works include associated foundations, external walls, glazed roof lantern

  Decided Lawful development Extension Demolition +1 5 docs
  Small domestic

• 31 Highfield Avenue Harpenden Hertfordshire Al5 5Ub

  5/2026/1558 Submitted 20 Aug 2026 230m 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 230m 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

• 5/2026/1173 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