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Planning application

DC/26/0613/CLP

1 Sunningdale Avenue Mildenhall Suffolk IP28 7JR

Granted West Suffolk Certificate of Lawful Proposed Use/Dev

Proposal

Application for lawful development certificate for proposed use or development - a. replace garage door with window b. door to side elevation of existing garage

As published by the council, reference DC/26/0613/CLP

Timeline

Dates from the published record

  1. 17 Apr 2026

    Received by West Suffolk

  2. 3 Jun 2026

    Decision issued: Approve application

  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

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    Householder planning application - a. single storey front porch extension b. raise roof to create habitable living space, including new roof over garage and two front dormer windows c. one-and-a-half storey rear extension (following demolition of conservatory) d. conversion of garage to habitable rooms/store e. demolition of side lean-to (as amended by plans received 28th May 2021 to remove the summerhouse)

    6 May 2021 153m away Householder
  • DC/12/0001/FUL Awaiting decision

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  • DC/26/0688/FUL Refused

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  • DC/23/0136/FUL Granted

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    30 Jan 2023 291m away Full applications
  • DC/25/1775/HH Granted

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    10 Nov 2025 303m away Householder

In West Suffolk

  • DC/26/0810/CLP Granted

    16 Linton Close Newmarket Suffolk CB8 0AE

    Application for lawful development certificate for proposed use or development - convert existing integral garage into a habitable dining room including infill garage doors and insert window

    26 May 2026 Lawful development
  • DC/26/0794/CLP Granted

    9 High Street Newmarket Suffolk CB8 8LX

    Application for lawful development certificate for proposed use or development - change of use within class E (ground floor) to cafe/restaurant

    21 May 2026 Lawful development
  • DC/26/1030/CLP Withdrawn

    Larchfield Mere Farm Lane Great Barton Suffolk IP31 2PH

    Application for lawful development certificate for proposed use or development - single storey side extension set back from the wall forming the existing principal elevation

    8 Jul 2026 Lawful development
  • DC/26/0427/CLE Granted

    The Old Forge, Annexe The Street Bradfield Combust Suffolk IP30 0LP

    Application for lawful development certificate - Use of the detached building within the site as a self-contained single dwellinghouse

    17 Mar 2026 Lawful development
  • DC/26/1102/CLE Awaiting decision

    Mulberry House 20 Greys Close Cavendish Suffolk CO10 8BT

    Application for lawful development certificate for existing use or development - seeking confirmation of commencement of approved development DC/23/0965/HH through installation of front elevation roof light

    22 Jul 2026 Lawful development