Skip to content
PlanIndex Get alerts
Menu

Planning application

TP/11/0332

9 Deacons Heights Barnet Lane Elstree Borehamwood WD6 3QY

Granted Hertsmere Lawful Development Cert. Proposed

Proposal

Single storey rear extension ( Lawful Development Certificate - Proposed).

As published by the council, reference TP/11/0332

Timeline

Dates from the published record

  1. 18 Feb 2011

    Received by Hertsmere

  2. 4 Apr 2011

    Decision issued: Grant Certificate (Proposed Development)

  3. 24 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

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.

About lawful development applications

How this application type works

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

Nearby applications

Within 500 metres

  • 26/0584/VOC Refused

    Wild Orchid Barnet Lane Elstree Borehamwood Hertfordshire WD6 3QZ

    Variation of condition 13 (plans) to allow for external alterations following grant of planning permission 22/0331/FUL.

    30 Apr 2026 104m away Amendments
  • 26/0717/DOC Awaiting decision

    Wild Orchid Barnet Lane Elstree Borehamwood Hertfordshire WD6 3QZ

    Application for approval of details reserved by conditions 4 (landscape and ecological management plan), 5 (drainage), 11 (demolition & construction method statement), 12 (external materials) and 15 (sustainability) of planning permission reference 22/0331/FUL.

    26 May 2026 104m away Conditions
  • 26/0582/DOC Decided

    Wild Orchid Barnet Lane Elstree Borehamwood Hertfordshire WD6 3QZ

    Application for approval of details reserved by condition 14 (waste management plan) of planning permission reference 22/0331/FUL.

    30 Apr 2026 104m away Conditions
  • 26/1056/TPO Awaiting decision

    Lescale Barnet Lane Elstree Borehamwood Hertfordshire WD6 3QZ

    T12 EUCALYPTUS. Reduce tree by 3m to leave a final height of 10m and a spread of 5m. T15 SYCAMORE. Reduce tree by 4m to leave a final height of 16m and a spread of 6m. Reduction is the beginning of a cyclical maintenance plan to ensure the structural integrity, amenity value and health & safety of the trees. The slightly larger reduction is to create balance throughout the garden and increase amenity value.

    30 Jul 2026 139m away Trees
  • 21/0010/HSE Granted

    Beechwood Barnet Lane Elstree Hertfordshire WD6 3RA

    Construction of an outbuilding to include indoor pool and associated facilities to rear garden (Tree Survey & Constraints plan received 10.03.21).

    4 Jan 2021 200m away Householder
  • 26/0954/HSE Awaiting decision

    Beechwood Barnet Lane Elstree Borehamwood Hertfordshire WD6 3RA

    Construction of a single outdoor padel court to replace existing tennis court.

    13 Jul 2026 219m away Householder

In Hertsmere

  • 26/0872/CLP Granted

    118 Theobald Street Borehamwood Hertfordshire WD6 4PA

    Conversion of loft to habitable space with associated hip to gable roof alterations, to include rear dormer, insertion of 3x front rooflights and removal of chimney stack. Certificate of Lawful Development (Proposed).

    24 Jun 2026 Lawful development
  • 26/0681/CLP Granted

    40 Carrington Avenue Borehamwood Hertfordshire WD6 2HA

    Conversion of loft to habitable space to include rear dormer, 3x front rooflights and removal of chimney stack Certificate of Lawful Development (Proposed).

    19 May 2026 Lawful development
  • 26/1014/CLP Awaiting decision

    24 Mount Grace Road Potters Bar Hertfordshire EN6 1RD

    Construction of a single-storey outbuilding within the rear garden. Certificate of Lawful Development (Proposed).

    22 Jul 2026 Lawful development
  • 26/1015/CLP Awaiting decision

    24 Mount Grace Road Potters Bar Hertfordshire EN6 1RD

    Construction of a single-storey BBQ within the garden. Certificate of Lawful Development (Proposed).

    22 Jul 2026 Lawful development
  • 26/1011/CLE Awaiting decision

    6 Brickfield Cottages Theobald Street Borehamwood Hertfordshire WD6 4SD

    Construction of a single-storey detached outbuilding within the rear garden of the existing dwellinghouse for use as a private gym incidental to the enjoyment of the main dwelling (Use Class C3). Certificate of Lawful Development (Existing).

    21 Jul 2026 Lawful development