11 Southdown Road Harpenden Hertfordshire Al5 1Pd

This site has had 2 applications since 2021: 1 approved, 1 refused.

• 5/2021/0574 Refused

  11 Southdown Road Harpenden Hertfordshire Al5 1Pd

  Certificate of Lawfulness (proposed) - Alterations to rear kitchen window and rebuilding of front garden wall

  Decided 14 Jul 2021 Lawful development

1. 8 Apr 2021

   Received by St Albans

2. 15 Apr 2021

   Validated

   Checked as complete and ready for consideration.

3. 14 Jul 2021

   Decision issued: Certificate of Lawfulness Approved

4. 10 Sep 2026

   Added to PlanIndex

St Albans granted permission on 14 July 2021, 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.

• 11 Southdown Road Harpenden Hertfordshire Al5 1Pd

  5/2021/0574 Submitted 26 Feb 2021 50 yards away

  Certificate of Lawfulness (proposed) - Alterations to rear kitchen window and rebuilding of front garden wall

  Refused Lawful development Windows or glazing 8 docs

• The Barn House 15A Southdown Road Harpenden Hertfordshire Al5 1Pd

  TP/2026/0440 Submitted 7 Sep 2026 50 yards away

  98% historically approved · decision due ~6 Nov

  T1 Acacia - Crown reduction by 2-3m approx to prevent stem failure due to cavities at base.

  Awaiting decision Trees 4 docs

• 15 Southdown Road Harpenden Hertfordshire Al5 1Pd

  5/2026/0805 Submitted 22 Apr 2026 50 yards away

  Listed building Consent - Replacement of existing sash windows on all levels to front elevation with new

  Refused Heritage and listed buildings Windows or glazing 14 docs

• Harpenden House Hotel 18 Southdown Road Harpenden Hertfordshire Al5 1Pe

  5/2016/3677 Submitted 8 Dec 2016 50 yards away

  Discharge of Condition 22 (tree protection 2) of planning permission 5/2016/0669 dated 21/09/2016 for Demolition of existing outbuildings and creation of 37 dwelling units comprising of refurbishment and conversion of existing listed building to create tw

  Granted Conditions Demolition Trees 10 docs
  Major scheme

• Harpenden House Hotel 18 Southdown Road Harpenden Hertfordshire Al5 1Pe

  5/2016/3681 Submitted 8 Dec 2016 50 yards away

  Discharge of Condition 8 (historical building report) of Listed Building consent 5/2016/0817 dated 21/09/2016 for Refurbishment and conversion of existing building to create three, two bedroom and two, three bedroom flats including associated internal wor

  Granted Conditions New dwelling 10 docs

• Harpenden House Hotel 18 Southdown Road Harpenden Hertfordshire Al5 1Pe

  5/2017/2678 Submitted 21 Sep 2017 50 yards away

  Discharge of Condition 14 (boundary treatment) of planning permission 5/2016/0669 dated 21/09/2016 for Demolition of existing outbuildings and creation of 37 dwelling units comprising of refurbishment and conversion of existing listed building to create t

  Granted Conditions Demolition 20 docs
  Major scheme

• 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