25 Mansdale Road Redbourn Hertfordshire Al3 7Dl

1. 12 Jun 2026

   Received by St Albans

2. 13 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. 4 Aug 2026

   Decision issued: Certificate of Lawfulness Approved

St Albans granted permission on 4 August 2026, 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.

• 27 Mansdale Road Redbourn Hertfordshire Al3 7Dl

  5/2026/0515 Submitted 16 Mar 2026 0m away

  Certificate of Lawfulness (proposed) - creation of 2no. roof windows in primary and secondary roof slopes and creation of 1no. dormer extension on secondary (rear) roof slope to create 1no. ensuite bedroom

  Granted Lawful development Extension Loft or dormer +1 9 docs

• 5 Flamsteadbury Lane Redbourn Hertfordshire Al3 7Dh

  5/2026/1031 Submitted 26 May 2026 86m away

  Certificate of Lawfulness (proposed) - Construction of single storey rear 3m extension, maximum eaves height 3m and maximum ridge height 4m

  Granted Lawful development Extension Roofing 7 docs
  Small domestic

• Thatch End 30 West Common Redbourn Hertfordshire Al3 7Df

  TP/2026/0316 Submitted 29 Jun 2026 165m away

  Fell the dead Silver Birch on the left-hand-side of the front garden. Reasons: Safety.

  Granted Trees 3 docs

• 4 St Marys Close Redbourn Hertfordshire Al3 7Dd

  5/2025/1309 Submitted 8 Jul 2025 170m away

  AMENDED PLANS & DESCRIPTION - Demolition of existing bungalow, garage and carport, and the construction of two dwellings with a detached garage, associated parking, landscaping, and ancillary works

  Decided Demolition 32 docs
  Several homes

• 55-61 & 63-69 Stephens Way Redbourn Hertfordshire Al3 7Ea

  5/2026/0982 Submitted 18 May 2026 188m away

  Replacement of windows and shiplap cladding panels

  Granted Windows or glazing 14 docs

• 47- 53 (Odds) Stephens Way Redbourn Hertfordshire Al3 7Ea

  5/2026/0981 Submitted 18 May 2026 188m away

  Replacement of windows and shiplap cladding panels

  Granted Windows or glazing 14 docs

• 5/2026/1277 Granted

  52 Napsbury Avenue London Colney Hertfordshire Al2 1Ls

  Certificate of Lawfulness (proposed) - The proposed development comprises building operations associated with the loft conversion of the existing roof space to provide additional habitable accommodation. The works include the construction of a rear dormer

  1 Jul 2026 Lawful development
• 5/2026/1366 Granted

  256 Sandridge Road St Albans Hertfordshire Al1 4Aj

  Certificate of Lawfulness (proposed) - Loft conversion with rear dormer & 4 velux to front

  14 Jul 2026 Lawful development
• 5/2026/1638 Decided

  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

  7 Sep 2026 Lawful development
• 5/2026/1621 Decided

  9 Ashley Gardens Harpenden Hertfordshire Al5 3En

  Certificate of Lawfulness (proposed) - Erection of a fence within boundary of the property

  2 Sep 2026 Lawful development
• 5/2026/1622 Decided

  9 Necton Road Wheathampstead Hertfordshire Al4 8At

  Certificate of Lawfulness (proposed) - Dormer to rear elevation to existing bedroom. new window to rear

  2 Sep 2026 Lawful development