10 Newton Close Harpenden Hertfordshire Al5 1Sp

This site has had 2 applications since 2026.

• 5/2026/1271 Awaiting decision

  10 Newton Close Harpenden Hertfordshire Al5 1Sp

  Proposed loft extension with rear box dormer and front velux windows. Raised ridge height to dwelling to facilitate required internal floor to ceiling height

  Submitted 1 Jul 2026 Householder

1. 1 Sep 2026

   Received by St Albans

2. 15 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 23 Sep 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 10 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.

• 1 Newton Close Harpenden Hertfordshire Al5 1Sp

  5/2017/2606 Submitted 13 Sep 2017 50 yards away

  First floor front and side extension and installation of a rooflight

  Granted Householder Extension Loft or dormer 12 docs
  Domestic

• 10 Newton Close Harpenden Hertfordshire Al5 1Sp

  5/2026/1271 Submitted 1 Jul 2026 50 yards away

  89% historically approved · decision due ~27 Aug

  Proposed loft extension with rear box dormer and front velux windows. Raised ridge height to dwelling to facilitate required internal floor to ceiling height

  Awaiting decision Householder Extension Loft or dormer +2 20 docs
  Domestic

• 7 Ennis Close Harpenden Hertfordshire Al5 1Ss

  5/2017/3575 Submitted 18 Dec 2017 100 yards away

  Two storey front and single storey rear extensions with alterations to openings, adjusted steps, excavation with extended retaining wall, rear patio

  Granted Householder Extension 20 docs
  Small domestic

• 14 Ennis Close Harpenden Hertfordshire Al5 1Ss

  5/2026/1057 Submitted 1 Jun 2026 100 yards away

  Single storey rear extension

  Granted Householder Extension 8 docs
  Small domestic

• 10 Eastcote Drive Harpenden Hertfordshire Al5 1Se

  5/2017/3128 Submitted 7 Nov 2017 150 yards away

  Single storey front infill with rooflights, side extension, garage conversion, loft conversion with raised roof height and rear dormer window and rooflights to front, alterations to side openings

  Granted Householder Extension Loft or dormer +1 10 docs
  Small domestic

• 39 Eastcote Drive Harpenden Hertfordshire Al5 1Se

  5/2026/0998 Submitted 20 May 2026 150 yards away

  Certificate of Lawfulness (proposed) - Construction of a single storey rear extension with roof lights

  Granted Lawful development Extension Loft or dormer 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