9 Ashley Gardens Harpenden Hertfordshire Al5 3En

1. 2 Sep 2026

   Received by St Albans

2. 3 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 13 Sep 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.

• 79 Roundwood Lane Harpenden Hertfordshire Al5 3Ex

  5/2016/2642 Submitted 23 Aug 2016 100m away

  Certificate of Lawfulness (proposed) - Altered side dormer window and new dormer window construction (resubmission following withdrawal of 5/2016/2275)

  Granted Lawful development Loft or dormer Windows or glazing 7 docs

• 79 Roundwood Lane Harpenden Hertfordshire Al5 3Ex

  5/2016/2643 Submitted 23 Aug 2016 100m away

  Single storey side and rear extension with rooflights following removal of existing garage

  Granted Householder Extension Loft or dormer 10 docs
  Small domestic

• 18-20 Wood End Road Harpenden Hertfordshire Al5 3Ed

  5/2021/1452 Submitted 16 May 2021 120m away

  Construction of three detached dwellings with associated parking and landscaping following demolition of two existing dwellings, new crossover (resubmission following refusal of 5/2020/0690)

  Granted Demolition 40 docs

• 14 Wood End Road Harpenden Hertfordshire Al5 3Ed

  5/2017/2791 Submitted 3 Oct 2017 120m away

  Single and two storey rear extension with balconies, first floor side extension, front porch extension, removal of hedgerow for driveway, alterations to openings and installation of rooflights following demolition of existing conservatory

  Refused Householder Extension Loft or dormer +2 12 docs
  Small domestic

• 10 Wood End Road Harpenden Hertfordshire Al5 3Ed

  5/2021/1688 Submitted 6 Jun 2021 120m away

  Prior Notification - Single storey rear extension 2.66m in height x 5.74m in depth with 2.66m height to eaves

  Granted Prior approval Extension 7 docs
  Small domestic

• 5 Wood End Road Harpenden Hertfordshire Al5 3Eb

  5/2024/0390 Submitted 4 Mar 2024 179m away

  Single storey front, side and rear extensions with sedum green roof and roof lights, alterations to openings and partial rendering of brickwork

  Granted Householder Extension Loft or dormer 17 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
• 5/2026/1622 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
• 5/2026/1607 Decided

  5 Flavian Close St Albans Hertfordshire Al3 4Jx

  Certificate of Lawfulness (proposed) - Construction of single storey rear extension with tiled lean to roof fitted with 3no. roof lights

  1 Sep 2026 Lawful development