12 Cottonmill Lane St Albans Hertfordshire Al1 1Hn

This site has had 2 applications since 2025: 2 approved, 0 refused.

• 5/2025/1476 Granted

  12 Cottonmill Lane St Albans Hertfordshire Al1 1Hn

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

  Decided 28 Oct 2025 Householder

1. 17 Jul 2026

   Received by St Albans

2. 20 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 1 Aug 2026

   Added to PlanIndex

4. 21 Aug 2026

   Decision issued: Discharge of Condition - Approved

St Albans granted permission on 21 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.

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

• 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 50 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 50 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

• 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

• 10 Cottonmill Crescent St Albans Hertfordshire Al1 1Hw

  5/2026/1201 Submitted 22 Jun 2026 50 yards away

  75% historically approved · decision due ~9 Sep

  Certificate of Lawfulness (proposed) - Use of space as a new practice, working with children and families with neurodevelopment support

  Awaiting decision Lawful development 3 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

• 5/2025/1067 Granted

  Falconers Cottage 1 Falconers Field Harpenden Hertfordshire Al5 3Eu

  Discharge of Conditions 4 (external materials) and 6 (development progress report) of planning permission 5/2021/3048 dated 09/04/2024 for Demolition of existing dwelling and construction of two dwellings with off road car parking spaces and new cross ove

  Received 30 May, published by the council 13 Sep 2026 Conditions
• 5/2026/1415 Granted

  St Lukes School Crouch Hall Lane Redbourn Hertfordshire Al3 7Et

  Discharge of Condition 10 (groundwater contamination) of planning permission 5/2024/1710 dated 03/07/2025 for Demolition of existing gym building and store and shed structures and construction of a training caf� building for young people with Special Educ

  Received 24 Jul, published by the council 9 Aug 2026 Conditions
• 5/2026/1527 Granted

  11B Douglas Road Harpenden Hertfordshire Al5 2En

  Discharge of Condition 5 (tree protection plan and arboricultural method statement) of planning permission 5/2025/0568 dated 06/02/2026 for Two storey front extension, single storey front and rear extensions with roof lights, solar panels to rear roof slo

  Received 12 Aug, published by the council 25 Aug 2026 Conditions
• 5/2026/1113 Granted

  St Germains Barn Adjacent To Grebe House St Michaels Street St Albans Hertfordshire Al3 4Sn

  Discharge of Conditions 3 (repair methodology), 4 (larger scale detailed plans and drawings) and 7(Historic building recording Level 3 report) of planning permission 5/2024/1483 dated 14/03/2025 for Listed Building Consent - Change of use and conversion o

  Received 9 Jun, published by the council 24 Jul 2026 Conditions
• 5/2026/1680 Awaiting decision

  143 - 145 Harper Lane Shenley Radlett Hertfordshire Wd7 9Hg

  Discharge of condition 3 (samples of the materials), 6 (hard and soft landscape), 7 ( Soft landscape), 12 (provision of cycle parking) and 13 Construction Management Statement) of planning permission 5/2023/2462 dated 13/11/2025 for Demolition of existi

  Received 14 Sep, published by the council 23 Sep 2026 Conditions