72 Crabtree Lane Harpenden Hertfordshire Al5 5Ns

1. 13 May 2026

   Received by St Albans

2. 14 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 43 Fairmead Avenue Harpenden Hertfordshire Al5 5Ud

  5/2025/2124 Submitted 20 Nov 2025 58m 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

• 24 Gilpin Green Harpenden Hertfordshire Al5 5Nr

  5/2017/3099 Submitted 3 Nov 2017 112m 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 112m 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 112m 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

• 14 Gilpin Green Harpenden Hertfordshire Al5 5Nr

  5/2017/2575 Submitted 10 Sep 2017 112m 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

• 49 Topstreet Way Harpenden Hertfordshire Al5 5Tx

  5/2026/0672 Submitted 31 Mar 2026 153m away

  Demolition of existing and construction of two semi-detached dwellings

  Withdrawn Demolition 39 docs

• 5/2026/1277 Granted

  52 Napsbury Avenue London Colney Hertfordshire Al2 1Ls

  Certificate of Lawfulness (proposed) - The proposed development comprises building operations associated with the loft conversion of the existing roof space to provide additional habitable accommodation. The works include the construction of a rear dormer

  1 Jul 2026 Lawful development
• 5/2026/1366 Granted

  256 Sandridge Road St Albans Hertfordshire Al1 4Aj

  Certificate of Lawfulness (proposed) - Loft conversion with rear dormer & 4 velux to front

  14 Jul 2026 Lawful development
• 5/2026/1638 Decided

  1 Castle Rise Wheathampstead Hertfordshire Al4 8Hx

  Certificate of Lawfulness (proposed) - Proposed loft hip to gable with rear dormer, internal alterations and all associated works at 1 Castle Rise, AL4 8HX

  7 Sep 2026 Lawful development
• 5/2026/1621 Decided

  9 Ashley Gardens Harpenden Hertfordshire Al5 3En

  Certificate of Lawfulness (proposed) - Erection of a fence within boundary of the property

  2 Sep 2026 Lawful development
• 5/2026/1622 Decided

  9 Necton Road Wheathampstead Hertfordshire Al4 8At

  Certificate of Lawfulness (proposed) - Dormer to rear elevation to existing bedroom. new window to rear

  2 Sep 2026 Lawful development