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

  89% historically approved · decision due ~6 Jul

  Single storey garden room

  Awaiting decision 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

• 25 Grange Court Road Harpenden Hertfordshire Al5 1By

  TP/2026/0146 Submitted 20 Mar 2026 200 yards away

  T1- Eucalyptus- reduction of 30% to maintain the health of the tree, the last time this tree had a crown reduction approved was on the 05/05/2020

  Granted Trees 2 docs

• 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

  88% historically approved · decision due ~24 Aug

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

  Awaiting decision Loft or dormer Demolition +1 33 docs
  Domestic

• 5/2026/1638 Granted

  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
• 5/2026/1622 Granted

  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
• 5/2026/1561 Granted

  125 New House Park St Albans Hertfordshire Al1 1Uh

  Certificate of Lawfulness (existing) - The retrospective development comprises minor external alterations to the rear elevation of the dwellinghouse at 125 New House Park. The applicant seeks a Certificate of Lawfulness (Existing) under Section 191 of the

  Received 21 Aug, published by the council 31 Aug 2026 Lawful development
• 5/2026/1772 Awaiting decision

  14 Ashley Road St Albans Hertfordshire Al1 5Da

  Certificate of Lawfulness (Proposed) - Loft Conversion, Hip to gable, Rear dormer

  Received 29 Sep, published by the council 11 Oct 2026 Lawful development
• 5/2026/1759 Awaiting decision

  2 Grimston Road St Albans Hertfordshire Al1 5Ep

  Certificate of Lawfulness (Proposed) - Erection of a single-storey detached timber log cabin with a pent (mono-pitch) roof in the rear garden, for purposes incidental to the enjoyment of the dwellinghouse (domestic storage and hobby workshop). Footprint 9

  Received 28 Sep, published by the council 11 Oct 2026 Lawful development