Explore planning / Caerphilly County Borough Council / Application details Council planning record
Obtain Certificate of Lawful Proposed Development for extension to side and rear of property
Reference: 25/0846/CLPU Caerphilly County Borough Council
Last published check: 14 Oct 2026, 08:29. Check the council record for more recent changes.
Application timeline Council milestones and published deadlines. A deadline passing does not confirm a decision.
28 Nov 2025 28 Nov 2025 21 Jan 2026 21 Jan 2026 23 Jan 2026 Determination Deadline Past published deadline A published target or deadline. It does not confirm an outcome.
Council source 21 Jan 2031 Permission Expiry Date Published deadline A published target or deadline. It does not confirm an outcome.
Council source Show all published dates Application summary
Status Decided
Application type Certificate Lawful Proposed Use/Dev
Received 28 Nov 2025
Validated 28 Nov 2025
Determination deadline 23 Jan 2026
Local authority Caerphilly County Borough Council Timeline Overview Location Documents Decision Application overview Obtain Certificate of Lawful Proposed Development for extension to side and rear of property
Proposal details
Reference 25/0846/CLPU
Ward St Martins
Agent Williams Architectural Design Application location 4 Lon-y-deri Caerphilly CF83 1DS
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Documents 7 of 7 Filter documents All documents Correspondence Decisions Forms Plans Reports Document Published Action Delegated Report · PDF 21 Jan 2026 View OS Extract · PDF 21 Jan 2026 View Decision · PDF 21 Jan 2026 View Drawing · PDF 28 Nov 2025 View Drawing · PDF 28 Nov 2025 View Application Form · PDF 28 Nov 2025 View Correspondence · PDF 28 Nov 2025 View
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Decision & conditions DECISION PLAN DECISION Planning conditions Conditions aren’t listed here. Read the council decision notice for the full decision and conditions.
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