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Planning application

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

Awaiting decision Hertsmere 26/1275/CLP Lawful development

Works: Loft or dormer

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Conversion of loft to habitable space with rear dormer and insertion of 3x front rooflights. Certificate of Lawful Development (Proposed).

As published by the council, reference 26/1275/CLP

Application record

Reference
26/1275/CLP
Category
Lawful development
Status
Awaiting decision
Received
2 Sep 2026
Validated
2 Sep 2026
Postcode
WD23 3EJ

Timeline

Dates from the published record

  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 65 days over the applications it decided in the last year.

What happens while it is decided

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.

About lawful development applications

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.

Nearby applications

Within 500 metres

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

    26/1288/MA Submitted 4 Sep 2026 0m away

    84% 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 Windows or glazing 2 docs

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

    24/1319/CLP Submitted 14 Oct 2024 63m away

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

    Granted Lawful development 10 docs

  • 131 Herkomer Road Bushey Hertfordshire WD23 3LS

    21/0469/HSE Submitted 5 Mar 2021 93m 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 118m away

    84% 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 128m 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 144m away

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

    Granted Lawful development 5 docs

In Hertsmere

  • 26/1283/CLP Awaiting decision

    32 Bullhead Road Borehamwood Hertfordshire WD6 1HS

    Conversion of loft to habitable space to include hip to gable roof alterations, rear dormer, 2x front rooflights and removal of chimney stack Certificate of Lawful Development (Proposed).

    4 Sep 2026 Lawful development
  • 26/1276/CLE Awaiting decision

    81 Barton Way Borehamwood Hertfordshire WD6 1PQ

    Retention of existing use of an outbuilding as a self-contained dwellinghouse Certificate of Lawful Development (Existing).

    3 Sep 2026 Lawful development
  • 26/1258/CLP Awaiting decision

    106 Whitehouse Avenue Borehamwood Hertfordshire WD6 1HE

    Construction of single storey rear extension Certificate of Lawful Development (Proposed).

    1 Sep 2026 Lawful development
  • 26/1247/CLP Awaiting decision

    314 Mutton Lane Potters Bar Hertfordshire EN6 2AX

    Conversion of loft to habitable space including hip to gable roof alterations, rear dormer and 2x front roof lights. Certificate of lawful development (Proposed).

    27 Aug 2026 Lawful development
  • 26/1222/CLP Awaiting decision

    37 Duncan Way Bushey Hertfordshire WD23 2BE

    Conversion of loft to habitable space with associated hip to gable roof alterations, rear dormer, insertion of 3x front rooflights and removal of 2x chimney stacks, with side window at loft level. Certificate of Lawful Development (Proposed).

    24 Aug 2026 Lawful development