1 Chestnut Drive St Albans Hertfordshire Al4 0Ep

1. 14 May 2026

   Received by St Albans

2. 15 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. 6 Aug 2026

   Decision issued: Certificate of Lawfulness Approved

St Albans granted permission on 6 August 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.

• 20 Chestnut Drive St Albans Hertfordshire Al4 0Es

  5/2021/1245 Submitted 26 Apr 2021 107m away

  Demolition of existing conservatory, construction of single storey front and rear extension with roof lights. Garage conversion with roof alterations. Loft conversion with rear dormer window. Alterations to windows and doors

  Granted Householder Extension Loft or dormer +3 11 docs
  Small domestic

• 6 Chestnut Drive St Albans Hertfordshire Al4 0Es

  5/2026/1449 Submitted 31 Jul 2026 107m away

  Single Storey Side Extension

  Decided Householder Extension 8 docs
  Small domestic

• 35 Chestnut Drive St Albans Hertfordshire Al4 0Er

  5/2026/1469 Submitted 4 Aug 2026 134m away

  Single storey front extension with canopy porch, Partial conversion of garage, raising of garage roof and addition of rooflight windows

  Decided Householder Extension Loft or dormer +1 7 docs
  Small domestic

• 47 Chestnut Drive St Albans Hertfordshire Al4 0Er

  5/2026/1093 Submitted 5 Jun 2026 134m away

  Certificate of Lawfulness (proposed) - New loft conversion incorporating rear dormer

  Granted Lawful development Loft or dormer 20 docs

• 47 Chestnut Drive St Albans Hertfordshire Al4 0Er

  5/2026/1360 Submitted 14 Jul 2026 134m away

  New ground floor entrance extension with skylight to the front elevation and alterations to openings

  Decided Householder Extension 20 docs
  Domestic

• 39 Chestnut Drive St Albans Hertfordshire Al4 0Er

  5/2017/2605 Submitted 13 Sep 2017 134m away

  Two storey side extension, single storey rear extension, loft conversion with rear dormer window, garage conversion, alterations to openings and installation of rooflights

  Granted Householder Extension Loft or dormer +1 11 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