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Planning application

20/01030/CLP

15 Windsor Avenue Derby DE23 3ER

Granted Derby Lawful Development Certificate -Proposed

Proposal

Installation of a dormer to the rear elevation

As published by the council, reference 20/01030/CLP

Timeline

Dates from the published record

  1. 26 Aug 2020

    Received by Derby

  2. 21 Oct 2020

    Decision issued: Approval

  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

  • 20/00442/FUL Granted

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    Erection of a six bay cattery building (Sui Generis Use)

    11 May 2020 0m away Full applications
  • 22/00234/FUL Granted

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    Two storey side and rear and single storey rear extensions to dwelling house (garage, kitchen/living space and two bedrooms)

    14 Feb 2022 48m away Full applications
  • 22/00818/FUL Granted

    2 Stevenson Place Derby DE23 3EX

    Single storey rear and side extension to dwelling house (living room, study and cloakroom) and formation of patio with retaining wall

    27 May 2022 173m away Full applications
  • 20/00814/FUL Granted

    8 Vine Close Derby DE23 3BX

    Single storey side/rear extension to dwelling house (dining room)

    16 Jul 2020 243m away Full applications
  • 22/00920/CLP Granted

    3 Harpur Avenue Derby DE23 3EJ

    Single storey rear extension to dwelling house (enlargement of kitchen/dining area)

    7 Jun 2022 250m away Lawful development
  • 26/00334/FUL Granted

    16 Blagreaves Lane Derby DE23 1BU

    Two storey rear extension to dwelling house (kitchen/dining area, play room and two bedrooms)

    11 Mar 2026 277m away Full applications

In Derby

  • 26/00776/CLE Granted

    58 Windmill Hill Lane Derby DE22 3BP

    Use of the building as a house in multiple occupation (Use Class C4)

    15 Jun 2026 Lawful development
  • 26/00720/CLE Granted

    19 Dexter Street Derby DE23 8LL

    Use of the building as a house in multiple occupation (Use Class C4)

    12 Jun 2026 Lawful development
  • 26/00649/CLP Granted

    The Bemrose School Uttoxeter New Road Derby DE22 3HU

    Installation of solar panels

    5 Jun 2026 Lawful development
  • 26/00659/CLE Granted

    81 Melbourne Street Derby DE1 2GF

    Use of the building as a house in multiple occupation (Use Class C4)

    3 Jun 2026 Lawful development
  • 26/00691/CLP Granted

    16 Alstonfield Drive Derby DE22 2XF

    Single storey rear extension to dwelling house (living area)

    2 Jun 2026 Lawful development