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Planning application

23/0083/CLP

3 Chiltern Avenue Cosby Leicestershire LE9 1UG

Granted Blaby Certificate of Lawfulness - Proposed

Proposal

Single storey side extension

As published by the council, reference 23/0083/CLP

Timeline

Dates from the published record

  1. 1 Feb 2023

    Received by Blaby

  2. 17 Mar 2023

    Decision issued: Application Permitted

  3. 22 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

  • 26/0552/CLP Awaiting decision

    5 Malvern Crescent Cosby Leicester Leicestershire LE9 1UX

    Certificate of Proposed Lawful Development for a single storey side extension.

    25 Jun 2026 168m away Lawful development
  • 26/0129/HH Awaiting decision

    52 Main Street Cosby Leicester Leicestershire LE9 1UU

    Proposed single storey side extension and replacement of all windows

    17 Feb 2026 226m away Householder
  • 26/0245/HH Granted

    The Vineries Countesthorpe Road Cosby Leicester Leicestershire LE9 1UL

    Erection of single storey side extension, attached partial garage and proposed patio.

    23 Mar 2026 237m away Householder
  • 21/0379/HH Granted

    10 Hill View Drive Cosby Leicestershire LE9 1UR

    Two storey side and single storey rear extensions

    15 Mar 2021 336m away Householder
  • 23/0050/HH Granted

    5 Church Farm Close Cosby Leicestershire LE9 1RW

    Garden room extension to existing garage, sliding glazed doors to rear and rooflights to second floor

    23 Jan 2023 372m away Householder
  • 20/1103/FUL Granted

    2 Countesthorpe Road Cosby Leicestershire LE9 1UJ

    Erection of outbuilding for use as aesthetics clinic (retrospective)

    1 Sep 2020 414m away Full applications

In Blaby

  • 26/0409/CLP Refused

    1 Hat Road Braunstone Town Leicester Leicestershire LE3 2WF

    Application for a Certificate of Proposed Lawful Use to confirm the lawfulness of development including materials proposed by 25/0270/NMAT.

    11 May 2026 Lawful development
  • 26/0455/CLP Granted

    51 Beechwood Avenue Leicester Forest East Leicester Leicestershire LE3 3PL

    Erection of annexe

    22 May 2026 Lawful development
  • 26/0419/CLP Granted

    15 Willoughby Road Countesthorpe Leicester Leicestershire LE8 5UA

    Certificate of lawfulness (proposed) for erection of new 2 metre high access gates and brick pier

    13 May 2026 Lawful development
  • 26/0393/CLP Granted

    18 Forest Road Huncote Leicester Leicestershire LE9 3BG

    Certificate of lawfulness (proposed) for a rear dormer extension to existing house roof. (with proposed volume of 35.7 cubic metres)

    6 May 2026 Lawful development
  • 26/0377/CLP Granted

    9 Hemlock Close Narborough Leicester Leicestershire LE19 3SZ

    Certificate of Lawfulness (proposed) for the conversion of garage to habitable room (snug/playroom).

    29 Apr 2026 Lawful development