20 Green Lane St Albans Hertfordshire Al3 6Ez

1. 13 Apr 2026

   Received by St Albans

2. 14 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 6 Aug 2026

   Decision issued: Certificate of Lawfulness Approved

4. 7 Sep 2026

   Added to PlanIndex

St Albans granted permission on 6 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.

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.

• 4 Birchmead Close St Albans Hertfordshire Al3 6Bs

  5/2017/2515 Submitted 4 Sep 2017 150 yards away

  Part single, part two storey side extension

  Granted Householder Extension 8 docs
  Domestic

• 1 Birchmead Close St Albans Hertfordshire Al3 6Bs

  5/2026/0164 Submitted 30 Jan 2026 150 yards away

  Certificate of Lawfulness (proposed) - Loft conversion to bedroom and en suite

  Granted Lawful development Loft or dormer 11 docs

• 66 Green Lane St Albans Hertfordshire Al3 6Ey

  5/2017/2830 Submitted 8 Oct 2017 200 yards away

  Garden summerhouse (retrospective)

  Granted Householder 10 docs
  Domestic

• 62 Green Lane St Albans Hertfordshire Al3 6Ey

  5/2016/3372 Submitted 11 Nov 2016 200 yards away

  Demolition of existing and erection of single storey rear extension, single storey front extension, loft conversion with raising of and alterations to roof, side facing rooflights and juliette balcony to front and rear (amendment following approval of 5/2

  Granted Householder Extension Loft or dormer +1 7 docs
  Small domestic

• 1 Alverton Green Lane St Albans Hertfordshire Al3 6Hb

  5/2017/3256 Submitted 17 Nov 2017 200 yards away

  Certificate of Lawfulness (proposed) - Conversion of existing loft space into a habitable room including a rear dormer window and additional rooflights

  Refused Lawful development Loft or dormer Windows or glazing 7 docs

• 70 Batchwood Drive St Albans Hertfordshire Al3 5Sa

  5/2025/2340 Submitted 23 Dec 2025 200 yards away

  Prior Notification - Single storey rear extension 2.90m in height x 6.0m in depth with 2.60m height to eaves

  Granted Prior approval Extension 12 docs
  Small domestic

• 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