27 Highfield Road Sandridge Hertfordshire Al4 9Bx

1. 10 Aug 2026

   Received by St Albans

2. 11 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Aug 2026

   Added to PlanIndex

The council has decided this application; the published outcome sits in the record above and the decision notice on the council portal carries the detail, including any conditions.

If permission was granted, work must normally begin within three years of the decision. If it was refused, the applicant can appeal within the statutory time limit or submit a revised scheme.

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

• 27 Highfield Road Sandridge Hertfordshire Al4 9Bx

  5/2025/1414 Submitted 24 Jul 2025 0m away

  Proposed new roof and loft extensions with ground floor extensions, alterations including amendment to in out drive and installation of solar panels

  Refused Householder Extension Roofing 18 docs
  Domestic

• 27 Highfield Road Sandridge Hertfordshire Al4 9Bx

  5/2026/1160 Submitted 15 Jun 2026 0m away

  Certificate of Lawfulness (Proposed) - The proposed 3m two storey rear extension and internal alterations

  Refused Lawful development Extension 9 docs

• 26A Highfield Road Sandridge Hertfordshire Al4 9Bx

  5/2026/1098 Submitted 8 Jun 2026 0m away

  Certificate of Lawfulness (proposed) - Proposed front porch and front extension

  Refused Lawful development Extension 12 docs
  Small domestic

• 27 Highfield Road Sandridge Hertfordshire Al4 9Bx

  5/2025/2361 Submitted 29 Dec 2025 0m away

  Proposed roof and loft extensions with ground floor extensions and alterations including amendment to drive.

  Refused Householder Extension 29 docs
  Domestic

• 27 Highfield Road Sandridge Hertfordshire Al4 9Bx

  5/2026/1006 Submitted 21 May 2026 0m away

  Certificate of Lawfulness (proposed) - The proposed garage conversions, single storey side extension, and front entrance canopy all asserted as Permitted Development under the GPDO 2015 (as amended).

  Granted Lawful development Extension 8 docs
  Small domestic

• 9 St Albans Road Sandridge Hertfordshire Al4 9La

  5/2026/1345 Submitted 9 Jul 2026 104m away

  Prior Notification - Single storey rear extension 3.37m in height x 8m in depth with 1.58m height to eaves

  Refused Prior approval Extension 22 docs
  Small domestic

• 5/2026/1607 Decided

  5 Flavian Close St Albans Hertfordshire Al3 4Jx

  Certificate of Lawfulness (proposed) - Construction of single storey rear extension with tiled lean to roof fitted with 3no. roof lights

  1 Sep 2026 Lawful development
• 5/2026/0951 Refused

  23 Clarence Road St Albans Hertfordshire Al1 4Np

  Certificate of Lawfulness (proposed) - New single storey garden room and close boarded access gates

  15 May 2026 Lawful development
• 5/2026/1558 Granted

  31 Highfield Avenue Harpenden Hertfordshire Al5 5Ub

  Certificate of Lawfulness ( Proposed) - Proposed rear single-storey extension, side single-storey extension and removal of rear chimney stack

  20 Aug 2026 Lawful development
• 5/2026/0291 Refused

  66 Pondfield Crescent St Albans Hertfordshire Al4 9Pf

  Certificate of Lawfulness (proposed) - Hip to gable and new dormer

  16 Feb 2026 Lawful development
• 5/2026/1252 Refused

  7 Palfrey Close St Albans Hertfordshire Al3 5Re

  Certificate of Lawfulness (proposed) - Single storey/ground floor extension to dining room, to extend as far as kitchen rear/outside wall across to party wall. Repositioning French windows to new rear of room, and repositioning downpipe and soak away in r

  30 Jun 2026 Lawful development