3A Alexander Road London Colney Hertfordshire Al2 1Hr

This site has had 2 applications since 2026: 2 approved, 0 refused.

• 5/2026/0758 Granted

  3A Alexander Road London Colney Hertfordshire Al2 1Hr

  Prior Approval - Single storey rear extension 3m in height x 6m in depth and 2.75m in height to the eaves

  Decided 14 May 2026 Prior approval

1. 31 Jul 2026

   Received by St Albans

2. 1 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 15 Aug 2026

   Added to PlanIndex

4. 4 Sep 2026

   Decision issued: Certificate of Lawfulness Approved

St Albans granted permission on 4 September 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.

• 3A Alexander Road London Colney Hertfordshire Al2 1Hr

  5/2026/0758 Submitted 14 Apr 2026 50 yards away

  Prior Approval - Single storey rear extension 3m in height x 6m in depth and 2.75m in height to the eaves

  Granted Prior approval Extension 15 docs
  Small domestic

• 256 High Street London Colney Hertfordshire Al2 1Hp

  5/2016/1970 Submitted 26 Jun 2016 50 yards away

  Single storey rear extension

  Granted Householder Extension 12 docs
  Small domestic

• 293 High Street London Colney Hertfordshire Al2 1Eu

  5/2026/1358 Submitted 14 Jul 2026 100 yards away

  88% historically approved · decision due ~9 Sep

  Change of use of a Mixed A1/C3 to Adult Care Home (Use Class C2) for a maximum of 5no. adults

  Awaiting decision Full applications 20 docs

• Land Rear Of 251-255 High Street London Colney Hertfordshire Al2 1Ha

  5/2017/1781 Submitted 21 Jun 2017 150 yards away

  Discharge of Conditions 3 (samples of materials) and 6 (hard and soft landscaping) of planning permission 5/2016/2454 dated 25/10/2016 for the Erection of two bedroom dwelling with five no. car parking spaces

  Granted Conditions 7 docs
  Domestic

• London Colney Baptist Church Kings Road London Colney Hertfordshire Al2 1En

  5/2021/1356 Submitted 6 May 2021 200 yards away

  Alterations to the entrance of the Church Hall at the rear of the main church

  Granted 9 docs

• 18 Oldfield Road London Colney Hertfordshire Al2 1Ja

  5/2026/1198 Submitted 22 Jun 2026 250 yards away

  Certificate of Lawfulness (proposed) - Rear Garden Room

  Granted Lawful development 7 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