49 Tavistock Avenue St Albans Hertfordshire Al1 2Nq

1. 25 Feb 2026

   Received by St Albans

2. 13 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. 20 Aug 2026

   Decision issued: Certificate of Lawfulness Approved

St Albans granted permission on 20 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.

• 15 Tavistock Avenue St Albans Hertfordshire Al1 2Nq

  5/2016/3814 Submitted 21 Dec 2016 50 yards away

  Single storey rear extension with roof lantern, addition of rooflights to front, side and rear elevations, loft conversion with rear dormer window, alterations to front canopy, openings and raising of roof ridge to front elevation

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

• 59 Tavistock Avenue St Albans Hertfordshire Al1 2Nq

  5/2016/1967 Submitted 26 Jun 2016 50 yards away

  Front porch and single storey rear extension with alterations to openings

  Granted Householder Extension 7 docs
  Small domestic

• 64 Tavistock Avenue St Albans Hertfordshire Al1 2Nj

  5/2026/1157 Submitted 15 Jun 2026 50 yards away

  Proposed roof alteration to create habitable use with rear dormer window

  Decided Loft or dormer Windows or glazing 7 docs

• 24 Tavistock Avenue St Albans Hertfordshire Al1 2Nj

  5/2017/2925 Submitted 15 Oct 2017 50 yards away

  Prior Notification - Single storey rear extension 4.5m depth x 3.7m height x 2.3m in height to the eaves

  Granted Prior approval Extension 7 docs
  Small domestic

• 21 Maynard Drive St Albans Hertfordshire Al1 2Jx

  5/2017/2788 Submitted 3 Oct 2017 100 yards away

  Replacement single storey front porch following demolition of existing

  Granted Householder Extension Demolition 8 docs
  Small domestic

• 33 Vesta Avenue St Albans Hertfordshire Al1 2Pg

  5/2017/2973 Submitted 19 Oct 2017 150 yards away

  Advertisement consent - Retention of externally illuminated fascia signs and internally illuminated projecting sign

  Granted Advertising 9 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

  Received 1 Jul, published by the council 24 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

  Received 14 Jul, published by the council 9 Aug 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

  Received 7 Sep, published by the council 13 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

  Received 2 Sep, published by the council 13 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

  Received 2 Sep, published by the council 13 Sep 2026 Lawful development