153 Crabtree Lane Harpenden Hertfordshire Al5 5Rd

1. 3 Sep 2017

   Received by St Albans

2. 4 Sep 2017

   Validated

   Checked as complete and ready for consideration.

3. 30 Oct 2017

   Decision issued: Certificate of Lawfulness Approved

4. 24 Jul 2026

   Added to PlanIndex

St Albans granted permission on 30 October 2017, 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.

• 100 Crabtree Lane Harpenden Hertfordshire Al5 5Rf

  5/2026/0730 Submitted 13 Apr 2026 50 yards away

  Removal of rear garden store, erection of first floor side extension over existing ground floor footprint and associated internal alterations

  Granted Householder Extension 12 docs
  Domestic

• 52 Granby Avenue Harpenden Hertfordshire Al5 5Qr

  5/2016/3390 Submitted 14 Nov 2016 100 yards away

  Two storey side extension, new porch and alterations to openings

  Granted Householder Extension 9 docs
  Small domestic

• 46 Granby Avenue Harpenden Hertfordshire Al5 5Qr

  5/2017/2766 Submitted 1 Oct 2017 100 yards away

  Demolition of existing dwelling and construction of two, three bedroom semi-detached dwellings (resubmission following approval of 5/2017/1892 dated 19/09/2017)

  Granted Demolition 14 docs
  Domestic

• 22 Weybourne Close Harpenden Hertfordshire Al5 5Re

  5/2025/1862 Submitted 10 Oct 2025 100 yards away

  Single storey front and rear extensions, loft conversion with dormer window to rear and rooflights to front, and construction of a garden outbuilding following demolition of shed - ADDITIONAL INFORMATION

  Granted Householder Extension Loft or dormer +2 17 docs
  Small domestic

• 6 Glemsford Drive Harpenden Hertfordshire Al5 5Rb

  5/2016/3783 Submitted 19 Dec 2016 100 yards away

  Certificate of Lawfulness (proposed) - Loft conversion with rear dormer window, insertion of two rooflights to front roof slope and single storey rear extension

  Granted Lawful development Extension Loft or dormer +1 5 docs
  Small domestic

• 33 Holly Walk Harpenden Hertfordshire Al5 5Rg

  5/2017/2734 Submitted 27 Sep 2017 150 yards away

  Certificate of Lawfulness (proposed) - Hip to gable and rear dormer loft conversion with front roof lights and rear dormer windows

  Granted Lawful development Loft or dormer Windows or glazing 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