57 Leycroft Way Harpenden Hertfordshire Al5 1Jp

1. 3 Feb 2026

   Received by St Albans

2. 4 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 22 Apr 2026

   Decision issued: Certificate of Lawfulness Approved

4. 7 Sep 2026

   Added to PlanIndex

St Albans granted permission on 22 April 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.

• 34 Leycroft Way Harpenden Al5 1Jr

  TP/2017/0577 Submitted 1 Nov 2017 50 yards away

  Reduce height of Douglas Fir T7 in front garden by 3m & shorten lateral limbs by 2m. Reason - To reduce risk of limb failure & to provide clearance to building.

  Refused Trees 2 docs

• 34 Leycroft Way Harpenden Hertfordshire Al5 1Jr

  5/2017/3305 Submitted 22 Nov 2017 50 yards away

  Single storey rear extension with rooflights following demolition of single storey rear projection

  Granted Householder Extension Loft or dormer +1 20 docs
  Small domestic

• 33 Paddock Wood Harpenden Hertfordshire Al5 1Ju

  5/2017/3344 Submitted 24 Nov 2017 100 yards away

  Single storey side and rear extension, raising and extension of roof to provide habitable loft accommodation with front dormer windows, side and rear rooflights and rear juliette balcony and alterations to openings

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

• 2 Meadway Harpenden Hertfordshire Al5 1Jl

  5/2026/0423 Submitted 5 Mar 2026 150 yards away

  Single storey side extension, garage conversion with alterations to fenestrations and external materials

  Granted Householder Extension 14 docs
  Small domestic

• 12 Leycroft Way Harpenden Hertfordshire Al5 1Jw

  5/2026/1067 Submitted 2 Jun 2026 200 yards away

  89% historically approved · decision due ~29 Jul

  First floor side extension over existing single storey side projection, with new pitched roof to match existing roof form and front elevational treatment in character with existing building. Garage conversion to habitable accommodation. Alterations to exi

  Awaiting decision Householder Extension 16 docs
  Small domestic

• 9 Leycroft Way Harpenden Hertfordshire Al5 1Jw

  5/2025/1666 Submitted 9 Sep 2025 200 yards away

  Infilling of side window, enlarged the rear doors and installation of roof lights

  Granted Householder Loft or dormer Windows or glazing 10 docs
  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