15 Chiltern Road St Albans Hertfordshire Al4 9Sw

1. 21 Aug 2026

   Received by St Albans

2. 24 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 7 Sep 2026

   Added to PlanIndex

4. 4 Oct 2026

   Status changed to Under Consideration

   Previously Under Consultation.

5. Decision

   Awaiting decision

   Decision expected by 19 October 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.

• 70 Windmill Avenue St Albans Hertfordshire Al4 9Sn

  5/2016/3092 Submitted 12 Oct 2016 50 yards away

  Partial Discharge of Condition 6 (surface water drainage) of planning permission 5/2016/0247 dated 19/04/2016 for First floor side extension and subdivision of existing three bedroom house into two self-contained dwellings comprising one, three bedroom ho

  Granted Conditions Extension 5 docs

• 68 Windmill Avenue St Albans Hertfordshire Al4 9Sn

  5/2026/0566 Submitted 23 Mar 2026 50 yards away

  Discharge of Condition 4 (planting details) of planning permission 5/2025/1692 dated 21/11/2025 for Change of use of amenity land to residential garden, single storey rear extension, alterations to front bay window and erection of 1.8m high boundary fence

  Granted Conditions Extension Windows or glazing 9 docs
  Small domestic

• 62 Windmill Avenue St Albans Hertfordshire Al4 9Sn

  5/2017/1784 Submitted 21 Jun 2017 50 yards away

  First floor rear extension and dormer window and installation of window to first floor side elevation

  Refused Householder Extension Loft or dormer +1 19 docs
  Domestic

• 68 Windmill Avenue St Albans Hertfordshire Al4 9Sn

  5/2025/1692 Submitted 15 Sep 2025 50 yards away

  Change of use of amenity land to residential garden, single storey rear extension, alterations to front bay window and erection of 1.8m high boundary fence

  Granted Full applications Extension Windows or glazing 15 docs
  Small domestic

• 9 Regent Close St Albans Hertfordshire Al4 9Tr

  5/2026/0194 Submitted 4 Feb 2026 100 yards away

  Certificate of Lawfulness (proposed) - Proposed Porch 3m sq, proposed 3m rear single storey extension

  Refused Lawful development Extension 12 docs
  Small domestic

• 4 Regent Close St Albans Hertfordshire Al4 9Tr

  5/2026/0852 Submitted 29 Apr 2026 100 yards away

  Single storey rear extension, partial first floor rear extension and enclosure of front porch

  Granted Householder Extension 12 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