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Planning application

TP/11/0044

24A Letchmore Road Radlett WD7 8HT

Granted Hertsmere Lawful Development Cert. Proposed

Proposal

Two storey rear extension (Certificate of Lawful Development - Proposed).

As published by the council, reference TP/11/0044

Timeline

Dates from the published record

  1. 7 Jan 2011

    Received by Hertsmere

  2. 17 Feb 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

  • 21/0932/FUL Granted

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  • 23/0299/DOC Decided

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    21 Feb 2023 165m away Conditions
  • 26/0568/FUL Granted

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    Replacement of existing doors to Guide Hut.

    27 Apr 2026 202m away Full applications
  • TP/10/1758 Granted

    29 Aldenham Avenue Radlett WD7 8HZ

    Demolition of existing detached house and detached garage and erection of 2 No. detached dwellings, 1 No. 6 bedroom house with basement accommodation and 1 No. 5 bedroom house.(Amended plans received 9/11/10)

    6 Sep 2010 204m away Full applications
  • TP/10/1336 Granted

    8 Aldenham Avenue Radlett WD7 8HS

    *Electronic documents only, no paper fileErection of single storey rear extension, two storey side extension, conversion of loft into habitable accommodation to include dormer window to rear and new basement garage.

    12 Jul 2010 212m away Householder
  • 26/0014/FUL Awaiting decision

    20A Christchurch Crescent Radlett Hertfordshire WD7 8AH

    Demolition of existing detached dwelling to facilitate construction of two and a half storey detached dwelling and single storey detached garage with associated hard and soft landscaping.

    5 Jan 2026 223m away Full applications

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