5 High Elms Harpenden Hertfordshire Al5 2Ju

1. 8 Apr 2026

   Received by St Albans

2. 9 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 15 Jun 2026

   Decision issued: Certificate of Lawfulness Approved

4. 7 Sep 2026

   Added to PlanIndex

St Albans granted permission on 15 June 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.

• 7 High Elms Harpenden Hertfordshire Al5 2Ju

  5/2016/3434 Submitted 17 Nov 2016 50 yards away

  Loft conversion with rooflights and two rear dormer windows

  Granted Householder Loft or dormer Windows or glazing 16 docs
  Domestic

• 3 High Elms Harpenden Hertfordshire Al5 2Ju

  TP/2026/0136 Submitted 18 Mar 2026 50 yards away

  T1 Western Red Cedar - Reduction in height only by 4-6m approx T2 Lawson Cypress - Reduction in height only by 3-4m approx T5 Spruce - Crown reduction by 2-3m approx T3 Beech - Crown thin by 15% approx T4 Holly - Reduction and shape by 1-2m

  Granted Trees 4 docs

• 12 High Elms Harpenden Hertfordshire Al5 2Ju

  TP/2026/0057 Submitted 11 Feb 2026 50 yards away

  T1 Poplar pollard., by removing 3-4m of ne growth taking the canopy back to the last pollard points. This has been completed multiple times in the past as is due a repollard due to stress on unions and small amounts of rot

  Granted Trees 3 docs

• 14 High Elms Harpenden Hertfordshire Al5 2Ju

  5/2026/0377 Submitted 27 Feb 2026 50 yards away

  Replacement of all external windows and doors, alterations to existing openings and installation of new rooflights. Installation of external air conditioning unit

  Granted Householder Loft or dormer Windows or glazing 16 docs
  Domestic

• 2 High Elms Harpenden Al5 2Ju

  TP/2017/0469 Submitted 11 Sep 2017 50 yards away

  Reduce crown of Oak T1 back to previous reduction points. Reason - To allow more light to house and to maintain level due to subsidence history.

  Granted Trees 2 docs

• 6A High Elms Harpenden Hertfordshire Al5 2Ju

  TP/2026/0400 Submitted 19 Aug 2026 50 yards away

  98% historically approved · decision due ~15 Oct

  Lawson Cypress - to be removed - the tree appears to be dead / dying - there are approximately 10% green leaves on it which has been the same for at least a year - the rest of the leave are brown - I have attached a plan and photos

  Awaiting decision Trees 4 docs

• 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