Understanding planning · 13 min read
Planning application documents: what to read first
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.
Council planning record
Trethomas 33KV Substation Addison Way Graig-y-Rhacca Caerphilly CF83 8WW
Last published check: 10 Oct 2026, 01:10. Check the council record for more recent changes.
Trethomas 33KV Substation Addison Way Graig-y-Rhacca Caerphilly CF83 8WW
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View council mapDischarge conditions 4 (land drainage) 5 (contamination - scheme to treat) and 6 (contamination - soil import testing) of planning consent 16/1019/FULL (Erect extension to rear of existing substation to include new 33/11kV switch room building, new 33kV transformer and various items of outdoor electrical apparatus, internal access road, 2.4m high steel palisade compound fence and gravelled surface)
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Sign in to view collected details| Document | Published | Action |
|---|---|---|
| DECISIONDecision · PDF | 15 Aug 2017 | View |
| APPLICATION FORMApplication Form · PDF | 14 Jun 2017 | View |
| SITE INVESTIGATION REPORTReport · PDF | 14 Jun 2017 | View |
| PORPOSED SUBSTATION LAYOUTDrawing · PDF | 14 Jun 2017 | View |
Documents open on the council website. Browse council documents if a link has changed.
Council milestones and published deadlines. A deadline passing does not confirm a decision.
A published target or deadline. It does not confirm an outcome.
Council sourceA published target or deadline. It does not confirm an outcome.
Council sourceA published target or deadline. It does not confirm an outcome.
Council sourceConditions aren’t listed here. Read the council decision notice for the full decision and conditions.
Understanding planning · 13 min read
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.
Understanding planning · 13 min read
Understand pending consideration, approved, refused and withdrawn planning applications. Compare status labels and find the documents explaining each outcome.
Understanding planning · 13 min read
Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.