4 Collens Road Harpenden Hertfordshire Al5 2Aj

1. 8 Sep 2026

   Received by St Albans

2. 9 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 23 Sep 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 4 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   St Albans took a median of 76 days over the applications it decided in the last year.

This application is with St Albans for determination, against a statutory target of eight weeks. Over the last year St Albans decided lawful development applications in a median of 71 days. More in our guide to how long planning decisions take.

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.

• 10 Collens Road Harpenden Hertfordshire Al5 2Aj

  5/2025/1900 Submitted 15 Oct 2025 50 yards away

  Erection of a single storey side and rear extension with roof lights, a single storey front and rear extensions, replacement of the garage roof, installation of a porch canopy and solar panels to rear roof slope, front garden landscaped to enlarge drivewa

  Granted Householder Extension Loft or dormer 11 docs
  Small domestic

• 6 Maple Cottages West Common Harpenden Hertfordshire Al5 2As

  TP/2026/0416 Submitted 26 Aug 2026 100 yards away

  98% historically approved · decision due ~27 Oct

  Cherry Tree reduce back laterals by 1.5 meter approx over hanging neighbours garden number 5. All work carried out to BS3998:2010

  Awaiting decision Trees 3 docs

• 24 Burywick Harpenden Hertfordshire Al5 2Ah

  5/2026/1159 Submitted 15 Jun 2026 100 yards away

  89% historically approved · decision due ~11 Aug

  Two storey side and rear extension and two front dormer windows and one rear dormer windows

  Awaiting decision Householder Extension Loft or dormer +1 6 docs
  Domestic

• 26 Burywick Harpenden Hertfordshire Al5 2Ah

  5/2026/0641 Submitted 30 Mar 2026 100 yards away

  First floor side and front extension, alterations to fenestrations and external materials

  Granted Householder Extension 14 docs
  Domestic

• 4 Barlings Road Harpenden Hertfordshire Al5 2An

  5/2017/3398 Submitted 30 Nov 2017 100 yards away

  Part single, part two storey front and rear and single storey side extensions following demolition of detached garage

  Granted Householder Extension Demolition 17 docs
  Small domestic

• 12 Barlings Road Harpenden Hertfordshire Al5 2An

  5/2026/0823 Submitted 27 Apr 2026 100 yards away

  Certificate of Lawfulness (proposed) - The proposed alterations to the dwellinghouse, together with the single storey open fronted pergola to the rear with a maximum height of 3 metres, comply with the provisions of Class A, Part 1, Schedule 2 of the Town

  At appeal Lawful development 6 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