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Planning application

20 Chestnut Avenue York YO31 1BR

Granted York 26/00011/CPD Certificate of Lawful Proposed Devlpmnt

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Certificate of lawfulness for proposed development of single storey rear and side extension

As published by the council, reference 26/00011/CPD

Application record

Reference
26/00011/CPD
Type
Certificate of Lawful Proposed Devlpmnt
Status
Decided
Decision
Grant
Received
5 Jan 2026
Validated
6 Jan 2026
Decided
3 Mar 2026
Ward
Heworth
Parish
Heworth Planning Panel
Decision by
Delegated Decision
Postcode
YO31 1BR

Site history

Applications at this address on the York register

This site has had 3 applications since 2023: 1 approved, 1 refused.

  • 25/02041/FUL Refused

    20 Chestnut Avenue York YO31 1BR

    Single storey side and rear extensions (retrospective)

    Decided 9 Dec 2025 Full applications
  • 23/00828/FUL Withdrawn

    20 Chestnut Avenue York YO31 1BR

    Single storey side and rear extension

    Decided 11 Mar 2024 Full applications

Timeline

Dates from the published record

  1. 5 Jan 2026

    Received by York

  2. 6 Jan 2026

    Validated

    Checked as complete and ready for consideration.

  3. 3 Mar 2026

    Decision issued: Grant

  4. 20 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

JP Architects Ltd Agent, an architecture practice

24 applications on PlanIndex · across 7 councils · 90% granted

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Documents

Plans, drawings, consultee responses and the officer's report

8 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

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What this grant of permission means

York granted permission on 3 March 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 20 Chestnut Avenue York YO31 1BR

    23/00828/FUL Submitted 25 Apr 2023 2m away

    Single storey side and rear extension

    Withdrawn Full applications Extension 12 docs
    Small domestic

  • 20 Chestnut Avenue York YO31 1BR

    25/02041/FUL Submitted 13 Oct 2025 3m away

    Single storey side and rear extensions (retrospective)

    Refused Full applications Extension 9 docs
    Small domestic

  • 8 Chestnut Avenue York YO31 1BR

    22/02132/FUL Submitted 12 Oct 2022 36m away

    Single storey rear and side extension following demolition of existing rear extension

    Granted Full applications Extension Demolition 10 docs
    Small domestic

  • 19 Forest Way York YO31 1BJ

    21/01583/FUL Submitted 29 Jun 2021 41m away

    Two storey side extension following demolition of garage/store

    Granted Full applications Extension Demolition 6 docs

  • 5 Forest Way York YO31 1BJ

    23/01666/FUL Submitted 30 Aug 2023 54m away

    Variation of condition 2 of permitted application 23/00284/FUL to alter single storey rear extension with removal of rear dormer

    Granted Full applications Extension Loft or dormer 5 docs
    Small domestic

  • 5 Forest Way York YO31 1BJ

    23/00284/FUL Submitted 8 Feb 2023 54m away

    Two storey side and single storey rear extensions, dormer to rear; removal of garage

    Granted Full applications Extension Loft or dormer 8 docs
    Small domestic

In York

  • 26/01523/CLU Awaiting decision

    19 Southlands Road York YO23 1NG

    Certificate of lawfulness for use as House in Multiple Occupation for up to 4no. occupants (use class C4)

    Lawful development
  • 26/01331/CLU Granted

    32 Heslington Road York YO10 5AT

    Certificate of lawfulness for use as House in Multiple Occupation (use class C4) for up to 6no. occupants

    28 Aug 2026 Lawful development
  • 26/01317/CLU Granted

    61 Fourth Avenue York YO31 0UJ

    Certificate of lawfulness for use as House in Multiple Occupation (use class C4) for up to 3no. occupants

    26 Aug 2026 Lawful development
  • 26/01313/CLU Granted

    151 Lowther Street York YO31 7LZ

    Certificate of lawfulness for use as House in Multiple Occupation (use class C4) for up to 4no. occupants

    26 Aug 2026 Lawful development
  • 26/01139/CLU Granted

    4 Emerald Street York YO31 8LQ

    Certificate of lawfulness for use as House in Multiple Occupation (use class C4) for up to 4no. occupants

    25 Aug 2026 Lawful development