51 Alexander Road London Colney Hertfordshire Al2 1Hs

1. 10 Jun 2026

   Received by St Albans

2. 9 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. 9 Aug 2026

   Status changed to Under Consideration

   Previously Under Consultation.

5. 2 Sep 2026

   Decision issued: Certificate of Lawfulness Approved

St Albans granted permission on 2 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.

• 45 Alexander Road London Colney Hertfordshire Al2 1Hs

  5/2026/0448 Submitted 9 Mar 2026 50 yards away

  Proposed detached outbuilding at rear for use as Annexe ancillary to main dwelling

  Granted Householder 12 docs
  Small domestic

• 53 Alexander Road London Colney Hertfordshire Al2 1Hs

  5/2025/0030 Submitted 8 Jan 2025 50 yards away

  88% historically approved · decision due ~4 Apr

  Change of use from single occupation to multiple occupation (retrospective)

  Awaiting decision Full applications 20 docs

• 76 Five Acres London Colney Hertfordshire Al2 1Hx

  5/2021/1084 Submitted 11 Apr 2021 100 yards away

  Single storey front and rear extensions with rooflights following demolition of existing outbuildings

  Granted Householder Extension Loft or dormer +1 11 docs
  Small domestic

• 84 Five Acres London Colney Hertfordshire Al2 1Hx

  5/2026/1313 Submitted 7 Jul 2026 100 yards away

  89% historically approved · decision due ~18 Sep

  Conversion of the existing integral garage into a fully accessible bedroom & shower room at ground floor level

  Awaiting decision Householder 20 docs
  Domestic

• 70 Alexander Road London Colney Hertfordshire Al2 1Ht

  5/2016/2959 Submitted 29 Sep 2016 150 yards away

  Two storey rear extension and installation of roof light, rear dormer loft extension and alterations to openings

  Withdrawn Extension Loft or dormer 5 docs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