10 Sefton Close St Albans Hertfordshire Al1 4Pf

1. 2 Feb 2026

   Received by St Albans

2. 3 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 27 May 2026

   Decision issued: Certificate of Lawfulness Approved

4. 25 Aug 2026

   Added to PlanIndex

St Albans granted permission on 27 May 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.

• 2 Sefton Close St Albans Hertfordshire Al1 4Pf

  TP/2025/0460 Submitted 1 Sep 2025 50 yards away

  98% historically approved · decision due ~4 Nov

  x 2 Conifer trees located at the front of the property - fell

  Awaiting decision Trees

• 9 Sefton Close St Albans Hertfordshire Al1 4Pf

  TP/2026/0169 Submitted 7 Apr 2026 50 yards away

  T1-Oak-Fell to ground level as it has outgrown its position and looks to be in decline due to the deep rot pockets at the base of the tree and the dead wood within the crown and down one side of the trunk. The owners and neighbours are extremely worried i

  Granted Trees 9 docs

• 7 Blenheim Road St Albans Hertfordshire Al1 4Ns

  5/2017/3066 Submitted 31 Oct 2017 100 yards away

  Certificate of Lawfulness (proposed) - Proposed single storey rear extension and conversion of existing garage into habitable space with store

  Withdrawn Extension 4 docs
  Small domestic

• 7 Blenheim Road St Albans Hertfordshire Al1 4Ns

  5/2017/3210 Submitted 13 Nov 2017 100 yards away

  Single storey rear extension with rooflight, garage conversion into habitable accommodation, insertion of window to garage rear elevation and alterations to openings

  Granted Householder Extension Loft or dormer +1 10 docs
  Small domestic

• 11 Blenheim Road St Albans Al1 4Ns

  TP/2017/0465 Submitted 10 Sep 2017 100 yards away

  Fell Sycamore in rear garden.

  Granted Trees 2 docs

• 12 Blenheim Road St Albans Hertfordshire Al1 4Nr

  TP/2026/0036 Submitted 28 Jan 2026 100 yards away

  Proposed Works: Reduce and shape one Apple tree by approximately 30%. Reduce and shape one Cherry tree by approximately 30%. Reduce and shape one Liquidambar by approximately 30%. Reduce and shape one Prunus tree located in the front garden by approximate

  Granted Trees 2 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