5/2026/0967

1. 15 May 2026

   Received by St Albans

2. 19 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 13 Jul 2026

   Decision issued: Certificate of Lawfulness Approved

4. 24 Jul 2026

   Added to PlanIndex

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

• 5/2026/0862 Granted

  31 Broadstone Road Harpenden Hertfordshire Al5 1Rb

  Certificate of Lawfulness (Proposed) - Part of the existing garage to be converted with side windows and alterations to openings

  1 May 2026 49m away Lawful development
• 5/2016/3097 Decided

  10 Knowle Drive Harpenden Hertfordshire Al5 1Rw

  Single storey front, two storey side and first floor rear extensions, sunpipe to roof and alterations to openings

  12 Oct 2016 107m away Householder
• 5/2017/2487 Decided

  26 Knowle Drive Harpenden Hertfordshire Al5 1Rw

  Single storey rear extension with rooflights

  31 Aug 2017 107m away Householder
• 5/2026/1046 Decided

  15 Pendennis Court Harpenden Hertfordshire Al5 1Sg

  Garage conversion and house front extension

  28 May 2026 114m away Householder
• 5/2026/0998 Granted

  39 Eastcote Drive Harpenden Hertfordshire Al5 1Se

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

  20 May 2026 155m away Lawful development
• 5/2026/1216 Decided

  47 Broadstone Road Harpenden Hertfordshire Al5 1Rd

  Proposed garage conversion to habitable accommodation, front extension in line with existing garage, construction of new entrance porch with associated roof alterations, erection of a single-storey rear extension incorporating rooflights (within permitted

  24 Jun 2026 170m away Householder

• 5/2026/1430 Decided

  42 Holywell Hill St Albans Hertfordshire Al1 1Bx

  Certificate of Lawfulness (proposed works to a Listed Building) - Replace master bathroom suite on 1st floor of property. Modern bathroom to be replaced with new suite, including new shower cubicle. It will use existing water and waste routes , and tiling

  27 Jul 2026 Lawful development
• 5/2026/0901 Granted

  37 Saxon Road Wheathampstead Hertfordshire Al4 8Nz

  Certificate of Lawfulness (proposed) - Timber framed garden room to be built on ground screw foundation. Dimensions 3m x 4.2 & under 2.5m in height. This will be 1.4m distance from boundary to neighbour. This will be situation at the end of the garden

  8 May 2026 Lawful development
• 5/2026/1399 Decided

  10 Birchwood Way Park Street St Albans Hertfordshire Al2 2Sg

  Certificate of Lawfulness (proposed) - Loft conversion with rear dormer and 3No. roof lights to front elevation

  22 Jul 2026 Lawful development
• 5/2026/1031 Granted

  5 Flamsteadbury Lane Redbourn Hertfordshire Al3 7Dh

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

  26 May 2026 Lawful development
• 5/2026/1035 Refused

  30 Culver Road St Albans Hertfordshire Al1 4Ed

  Certificate of Lawfulness (proposed) - Loft conversion with rear dormer and two velux to front

  22 May 2026 Lawful development