10 Cottonmill Crescent St Albans Hertfordshire Al1 1Hw

1. 22 Jun 2026

   Received by St Albans

2. 15 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. 15 Aug 2026

   Status changed to Under Consideration

   Previously Under Consultation.

5. Decision

   Awaiting decision

   Decision expected by 9 September 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   St Albans took a median of 76 days over the applications it decided in the last year.

This application is with St Albans for determination, against a statutory target of eight weeks. Over the last year St Albans decided lawful development applications in a median of 71 days. More in our guide to how long planning decisions take.

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.

• 39 Cottonmill Crescent St Albans Hertfordshire Al1 1Hw

  5/2026/0788 Submitted 20 Apr 2026 50 yards away

  88% historically approved · decision due ~25 Aug

  Variation of Condition 2 (approved plans) to replace the previously approved north elevation with a new proposed one which adds a small velux window of planning permission 5/2023/1652 dated 30/01/2024 for Part single, part two storey side and rear and sin

  Awaiting decision Loft or dormer Windows or glazing 23 docs

• 37 Cottonmill Crescent St Albans Hertfordshire Al1 1Hw

  5/2026/0510 Submitted 16 Mar 2026 50 yards away

  To replace the existing double-glazed white frame UPVC windows and doors with like for like in the same style and size

  Granted Windows or glazing 16 docs

• 12 Cottonmill Lane St Albans Hertfordshire Al1 1Hn

  5/2026/1371 Submitted 17 Jul 2026 50 yards away

  Discharge of Conditions 4 (Archaeological report) and 6(Construction Method Statement) of planning permission 5/2025/1476 dated 28/10/2025 for Single storey side and front extension, part single, part two storey rear extension with roof light and alterat

  Granted Conditions Extension Loft or dormer 7 docs
  Small domestic

• 12 Cottonmill Lane St Albans Hertfordshire Al1 1Hn

  5/2025/1476 Submitted 5 Aug 2025 50 yards away

  Single storey side and front extension, part single, part two storey rear extension with roof light and alterations to external materials.

  Granted Householder Extension Loft or dormer 16 docs
  Small domestic

• St Peters School Cottonmill Lane St Albans Hertfordshire Al1 1Hl

  TP/2021/0365 Submitted 1 Jul 2021 100 yards away

  Tree is a Weeping Willow in south east corner of grounds that has a severely decayed main trunk which poses a great risk of failing and injuring someone. Due to the seriousness of the decay a Five Days notice application is requested.

  Decided Trees 8 docs

• St Peters School Cottonmill Lane St Albans Hertfordshire Al1 1Hl

  TP/2026/0092 Submitted 27 Feb 2026 100 yards away

  Works are proposed to 17No. trees, with priority of 6 months. These are shown on the map, excel survey sheet and photographs that have been submitted with this application form.

  Granted Trees 19 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