29 Koh-i-noor Avenue Bushey Hertfordshire WD23 3EJ

1. 2 Sep 2026

   Received by Hertsmere

2. 9 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 28 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Hertsmere took a median of 57 days over the applications it decided in the last year.

This application is with Hertsmere for determination, against a statutory target of eight weeks. Over the last year Hertsmere decided lawful development applications in a median of 55 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.

• 5 Koh-i-noor Avenue Bushey Hertfordshire WD23 3EJ

  24/1319/CLP Submitted 14 Oct 2024 50 yards away

  Erection of outbuilding in rear garden. Certificate of lawful development (Proposed).

  Granted Lawful development 10 docs

• 44 Koh-i-noor Avenue Bushey Hertfordshire WD23 3EJ

  26/1288/MA Submitted 4 Sep 2026 50 yards away

  83% historically approved · decision due ~30 Oct

  Application for a non-material amendment to allow for removal of first floor side window following the grant of planning permission ref 24/0722/HSE.

  Awaiting decision Amendments Windows or glazing 2 docs

• 131 Herkomer Road Bushey Hertfordshire WD23 3LS

  21/0469/HSE Submitted 5 Mar 2021 100 yards away

  Part single/part two storey rear extension.

  Granted Householder Extension 7 docs
  Domestic

• The King Stag 15 Bournehall Road Bushey Hertfordshire WD23 3EH

  26/0612/TRC Submitted 6 May 2026 150 yards away

  87% historically approved · decision due ~22 Jul

  T1 SYCAMORE. Reduce height by 2.5-3m and spread by 1.5-2m leaving a final height of approximately 11m. T2 SYCAMORE. Fell close to ground level. T3 SYCAMORE and T4 SYCAMORE. Twin stemmed Sycamore. Reduce in height and spread by 3m, close to previous pruning points leaving a height of approximately 12m.

  Decided Trees 10 docs

• 147A Herkomer Road Bushey Hertfordshire WD23 3LH

  24/0907/HSE Submitted 11 Jul 2024 150 yards away

  Demolition of existing conservatory and rear garden store, erection of a single storey rear extension, alterations to existing front elevation, conversion of existing side garage to habitable room, erection of a first floor side extension, modifications to existing roof to include increase in ridge height, conversion of loft to habitable space to include dormers to each side, alterations to fenestration. Front boundary works to include landscaping and hardstanding arrangements.

  Granted Householder Extension Loft or dormer +3 19 docs
  Small domestic

• 101 Herkomer Road Bushey Hertfordshire WD23 3LS

  23/0255/CLP Submitted 14 Feb 2023 150 yards away

  Removal of existing front chimney stack (Certificate of Lawful Development (Proposed).

  Granted Lawful development 5 docs

• 26/1516/CLP Awaiting decision

  83 Dugdale Hill Lane Potters Bar Hertfordshire EN6 2DR

  Conversion of loft to habitable space with side and rear dormer; single storey rear extension. Certificate of Lawful Development (Proposed).

  Received 20 Oct, published by the council 23 Oct 2026 Lawful development
• 26/1156/CLP Decided

  30 Ladbrooke Drive Potters Bar Hertfordshire EN6 1QR

  Single storey rear extension. Conversion of loft to habitable space with hip-to-gable roof alterations to include rear dormer. Certificate of Lawful Development (Proposed).

  Received 12 Aug, published by the council 25 Aug 2026 Lawful development
• 26/1507/CLP Awaiting decision

  30 Ladbrooke Drive Potters Bar Hertfordshire EN6 1QR

  Single storey rear extension and conversion of loft to habitable space including hip to gable roof alterations, rear dormer, and 4x roof lights. Certificate of lawful development (Proposed).

  Received 19 Oct, published by the council 22 Oct 2026 Lawful development
• 26/1494/CLP Awaiting decision

  32 Billy Lows Lane Potters Bar Hertfordshire EN6 1XN

  Demolition of existing garage and temporary shed to facilitate construction of single storey side extension, conversion of loft to habitable space to include hip to gable roof alterations, rear dormer and 4x front rooflights Certificate of Lawful Development (Proposed).

  Received 16 Oct, published by the council 21 Oct 2026 Lawful development
• 26/1489/CLP Awaiting decision

  6 Minorca Close Bentley Heath Barnet Hertfordshire EN5 4FA

  Erection of detached outbuilding in the rear garden for uses ancillary to the main dwelling. Certificate of Lawful Development (Proposed).

  Received 15 Oct, published by the council 20 Oct 2026 Lawful development