72 Crabtree Lane Harpenden Hertfordshire Al5 5Ns

This site has had 2 applications since 2026: 0 approved, 1 refused.

• 5/2026/0933 Refused

  72 Crabtree Lane Harpenden Hertfordshire Al5 5Ns

  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 27 Aug 2026 Lawful development

1. 3 Sep 2026

   Received by St Albans

2. 4 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 4 Oct 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 30 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   St Albans took a median of 76 days over the applications it decided in the last year.

This application is with St Albans for determination, against a statutory target of eight weeks. Over the last year St Albans decided householder applications in a median of 110 days. More in our guide to how long planning decisions take.

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.

• 72 Crabtree Lane Harpenden Hertfordshire Al5 5Ns

  5/2026/0933 Submitted 13 May 2026 50 yards 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

  Refused Lawful development Extension Demolition +1 7 docs
  Small domestic

• 43 Fairmead Avenue Harpenden Hertfordshire Al5 5Ud

  5/2025/2124 Submitted 20 Nov 2025 50 yards away

  Demolition of existing conservatory, erection of a two storey side extension, part single part two storey rear extension, rear dormer and 3no rooflight to the front elevation

  Granted Householder Extension Loft or dormer +1 21 docs
  Small domestic

• 16 Gilpin Green Harpenden Hertfordshire Al5 5Nr

  5/2017/3556 Submitted 15 Dec 2017 100 yards away

  Construction of one, four bedroom dwelling following demolition of existing dwelling

  Granted Demolition 19 docs
  Domestic

• 24 Gilpin Green Harpenden Hertfordshire Al5 5Nr

  5/2017/3099 Submitted 3 Nov 2017 100 yards away

  Two storey front extension

  Granted Householder Extension 16 docs
  Domestic

• 14 Gilpin Green Harpenden Hertfordshire Al5 5Nr

  5/2021/1459 Submitted 16 May 2021 100 yards away

  First floor side and rear extensions and alterations to existing dropped kerb

  Granted Householder Extension 9 docs
  Small domestic

• 16 Gilpin Green Harpenden Hertfordshire Al5 5Nr

  5/2021/1959 Submitted 4 Jul 2021 100 yards away

  Non Material Amendment - Reduction in size of rooflights, insertion of new window, alterations to balustrade, installation of air source heat pump and changes to glazed gable arrangement to planning permisssion 5/2020/2035 dated 22/12/2020 for Demolition

  Refused Amendments Loft or dormer Demolition +1 12 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