46 Lea Road Harpenden Hertfordshire Al5 4Pg

1. 7 Jul 2026

   Received by St Albans

2. 8 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 26 Jul 2026

   Added to PlanIndex

4. 1 Sep 2026

   Decision issued: Certificate of Lawfulness Approved

St Albans granted permission on 1 September 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. 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.

• 17 Lea Road Harpenden Hertfordshire Al5 4Pq

  5/2017/2493 Submitted 31 Aug 2017 38m away

  Certificate of Lawfulness (proposed) - Single storey side extension with rooflights

  Granted Lawful development Extension Loft or dormer 9 docs
  Small domestic

• 11 Lea Road Harpenden Hertfordshire Al5 4Pq

  5/2026/0203 Submitted 4 Feb 2026 38m away

  Demolition of existing garage building and proposed two storey side and rear extensions with roof lights along with new openings and internal alterations

  Granted Householder Extension Loft or dormer +1 13 docs
  Domestic

• 75A Ox Lane Harpenden Hertfordshire Al5 4Ph

  5/2026/0569 Submitted 20 Mar 2026 93m away

  Replacement of existing conservatory roof

  Granted Householder Extension 9 docs
  Small domestic

• 75A Ox Lane Harpenden Hertfordshire Al5 4Ph

  5/2026/0783 Submitted 20 Apr 2026 93m away

  Certificate of Lawfulness (proposed) - The proposal involves the partial conversion of an existing integral garage to increase the size of the existing hallway. The works are confined within the existing footprint of the dwellinghouse and do not involve a

  Granted Lawful development 6 docs
  Domestic

• 34 St James Road Harpenden Hertfordshire Al5 4Pb

  5/2026/0248 Submitted 10 Feb 2026 125m away

  First floor rear roof extension to create bedroom

  Refused Householder Extension 14 docs
  Domestic

• 12 Willoughby Road Harpenden Hertfordshire Al5 4Pf

  5/2016/3091 Submitted 12 Oct 2016 151m away

  Certificate of Lawfulness (proposed) - Single storey rear and side extension (prior approval given 5/2016/2391 dated 29/09/2016), insertion of skylight and french doors to existing extension

  Refused Lawful development Extension Windows or glazing 9 docs
  Small domestic

• 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