6 Glemsford Drive Harpenden Hertfordshire Al5 5Rb

1. 19 Dec 2016

   Received by St Albans

2. 20 Dec 2016

   Validated

   Checked as complete and ready for consideration.

3. 11 Jan 2017

   Decision issued: Certificate of Lawfulness Approved

4. 4 Oct 2026

   Added to PlanIndex

St Albans granted permission on 11 January 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.

• 153 Crabtree Lane Harpenden Hertfordshire Al5 5Rd

  5/2017/2504 Submitted 3 Sep 2017 100 yards away

  Certificate of Lawfulness (proposed) - Loft conversion with rear dormer window

  Granted Lawful development Loft or dormer Windows or glazing 7 docs

• 100 Crabtree Lane Harpenden Hertfordshire Al5 5Rf

  5/2026/0730 Submitted 13 Apr 2026 100 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

• 22 Weybourne Close Harpenden Hertfordshire Al5 5Re

  5/2025/1862 Submitted 10 Oct 2025 150 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

• 33 Holly Walk Harpenden Hertfordshire Al5 5Rg

  5/2017/2734 Submitted 27 Sep 2017 200 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

• 34 Holly Walk Harpenden Hertfordshire Al5 5Rg

  5/2017/3563 Submitted 15 Dec 2017 200 yards away

  Double garage following demolition of existing garage

  Granted Householder Demolition 11 docs
  Domestic

• 52 Granby Avenue Harpenden Hertfordshire Al5 5Qr

  5/2016/3390 Submitted 14 Nov 2016 200 yards away

  Two storey side extension, new porch and alterations to openings

  Granted Householder Extension 9 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