16 Wensley Close Harpenden Hertfordshire Al5 1Rz

1. 7 Jul 2025

   Received by St Albans

2. 8 Jul 2025

   Validated

   Checked as complete and ready for consideration.

3. 1 Jun 2026

   Decision issued: Certificate of Lawfulness Refused

4. 13 Sep 2026

   Added to PlanIndex

St Albans refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 41 Cranbourne Drive Harpenden Hertfordshire Al5 1Rj

  5/2016/2618 Submitted 23 Aug 2016 200 yards away

  Single storey side extension and garage conversion to existing garage

  Granted Householder Extension 5 docs
  Small domestic

• 11 Grange Court Road Harpenden Hertfordshire Al5 1By

  5/2026/0903 Submitted 8 May 2026 200 yards away

  Single storey garden room

  Decided Householder 15 docs
  Small domestic

• 20 Grange Court Road Harpenden Hertfordshire Al5 1By

  5/2017/3078 Submitted 1 Nov 2017 200 yards away

  Single storey rear extension following demolition of existing conservatory, part conversion of existing garage into habitable room, raising of rear flat roof height, tile hanging to side and rear and alterations to openings (resubmission following approva

  Granted Householder Extension Demolition 10 docs
  Small domestic

• 6 Grange Court Road Harpenden Hertfordshire Al5 1By

  TP/2026/0200 Submitted 27 Apr 2026 200 yards away

  T1 - Larch - Dead, remove T2 - Broom in rear garden. Tree to be removed, T3 - Oak in rear garden, reduce in height by 25%, further details on notification

  Granted Trees 2 docs

• 11 Grange Court Road Harpenden Hertfordshire Al5 1By

  5/2026/1232 Submitted 26 Jun 2026 200 yards away

  Demolition of 5 bedroom dwellinghouse and construction of replacement 5 bedroom dwellinghouse with loft accommodation and rear dormer window

  Decided Loft or dormer Demolition +1 32 docs
  Domestic

• 13 Grange Court Road Harpenden Hertfordshire Al5 1By

  TP/2021/0026 Submitted 18 Jan 2021 200 yards away

  We wish to reduce the size and overhang of a Beech tree T1 by up to 10ft in the top right hand corner of our rear garden. It is overhanging a coldframe and wooden garden structure. Unfortunately we also need to take out (reduce to an 8ft stump) a Fir tree

  Granted Trees 30 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