17 Lea Road Harpenden Hertfordshire Al5 4Pq

1. 31 Aug 2017

   Received by St Albans

2. 3 Sep 2017

   Validated

   Checked as complete and ready for consideration.

3. 25 Oct 2017

   Decision issued: Certificate of Lawfulness Approved

4. 24 Jul 2026

   Added to PlanIndex

St Albans granted permission on 25 October 2017, 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.

• 11 Lea Road Harpenden Hertfordshire Al5 4Pq

  5/2026/0203 Submitted 4 Feb 2026 0m 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

• 46 Lea Road Harpenden Hertfordshire Al5 4Pg

  5/2026/1314 Submitted 7 Jul 2026 38m away

  Certificate of Lawfulness (proposed) - Hip to gable Loft conversion with rear dormer & 3 velux to front

  Granted Lawful development Loft or dormer 15 docs

• 34 St James Road Harpenden Hertfordshire Al5 4Pb

  5/2026/0248 Submitted 10 Feb 2026 103m away

  First floor rear roof extension to create bedroom

  Refused Householder Extension 14 docs
  Domestic

• 75A Ox Lane Harpenden Hertfordshire Al5 4Ph

  5/2026/0569 Submitted 20 Mar 2026 117m 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 117m 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

• 11 St James Road Harpenden Hertfordshire Al5 4Nx

  5/2017/2565 Submitted 7 Sep 2017 126m away

  Non Material Amendment - Change the 2 first floor rear elevation bedroom 3 windows to one 1800mm wide window, change the masonry piers between windows on the basement level to steel posts and alter style of the patio windows to planning permission 5/2017/

  Refused Amendments Windows or glazing 7 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