{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-13T04:55:41Z",
    "providers": [
      "Claude"
    ],
    "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
    "pass": 2,
    "wave": 3,
    "engine": "claude"
  },
  "metaModel": {
    "id": "THING-Q570600",
    "registryId": "vr.tr.listed-building",
    "name": "listed building",
    "version": "0.2.0-wave.3",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.PLC"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q570600/",
  "model": {
    "registry_id": "vr.tr.listed-building",
    "name": "listed building",
    "purpose": "Let an agent explain listed buildings and their grades across the UK nations, relay the listing process, consent rules and owner duties from heritage sources, describe how to find and research listings, and distinguish listed buildings from conservation areas, scheduled monuments and similar designations abroad.",
    "definition": "A building or structure in the United Kingdom placed on a statutory list because of its special architectural or historic interest, graded in England and Wales as Grade I, Grade II star and Grade II, in Scotland as Category A, B and C, and in Northern Ireland as Grade A, B plus, B1 and B2, so that changes affecting its character require listed building consent; listing is administered by Historic England, Cadw, Historic Environment Scotland and the Northern Ireland Department for Communities.",
    "what_it_is_for": "Protecting buildings of special interest.",
    "affordances": [
      "explain grades and nations",
      "relay listing and consent",
      "describe research tools",
      "distinguish related designations"
    ],
    "distinguishing_features": [
      "Statutory list",
      "Graded interest",
      "Consent requirement",
      "Four national systems"
    ],
    "appearance": "Any building type, from cottages to cathedrals, sometimes marked by plaques.",
    "visual_identification": [
      "UK building of special architectural or historic interest",
      "Grade I, Grade II star, Grade II; Category A, B, C; Northern Ireland grades",
      "Conservation areas protect areas; scheduled monuments protect archaeology; other countries have different systems"
    ],
    "physical_properties": [
      {
        "quantity": "listed buildings in England",
        "typical_range": "about 400000",
        "unit": "count",
        "note": "entries"
      },
      {
        "quantity": "Grade I share in England",
        "typical_range": "about 2.5",
        "unit": "percent",
        "note": ""
      },
      {
        "quantity": "legal basis in England",
        "typical_range": "Planning (Listed Buildings and Conservation Areas) Act 1990",
        "unit": "law",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "Grade I listed buildings of exceptional interest",
      "Grade II star listed buildings of more than special interest",
      "Grade II listed buildings of special interest",
      "Category A, B and C listed buildings in Scotland",
      "Northern Ireland graded buildings",
      "listed structures such as bridges, monuments and telephone boxes"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "building",
        "why": "in registry terms"
      },
      {
        "relation": "is a kind of",
        "target": "heritage site in the United Kingdom",
        "why": "in registry terms"
      },
      {
        "relation": "is administered by",
        "target": "Historic England",
        "why": "in England"
      },
      {
        "relation": "is contrasted with",
        "target": "conservation area",
        "why": "an area designation"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Planning (Listed Buildings and Conservation Areas) Act 1990",
      "Planning (Listed Buildings and Conservation Areas) (Scotland) Act 1997",
      "National heritage policy and listing selection guides"
    ],
    "failure_modes_and_hazards": [
      "Unauthorised works, which are a criminal offence",
      "Confusing grades across nations",
      "Assuming listing covers only the facade"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": []
  },
  "sources": [],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What a listed building is.",
        "rationale": "Regulation.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition and grades.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What is a listed building, and what do the grades mean in England, Wales, Scotland and Northern Ireland?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the question about a listed building, a conservation area, a scheduled monument or a designation abroad?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "scope",
            "name": "Scope",
            "description": "Scope of listing.",
            "findings": [
              {
                "id": "scope-finding",
                "name": "Scope",
                "description": "Scope.",
                "questions": [
                  {
                    "text": "What does a listing cover, including interiors, curtilage structures and later additions?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific building?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "own",
        "name": "Own",
        "description": "Owning and altering.",
        "rationale": "Regulation.",
        "layers": [
          {
            "id": "consent",
            "name": "Consent",
            "description": "Listed building consent.",
            "findings": [
              {
                "id": "consent-finding",
                "name": "Consent",
                "description": "Consent.",
                "questions": [
                  {
                    "text": "When is listed building consent needed, how is it obtained, and what are the penalties for unauthorised works?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the user asking about a specific proposal, which needs the local authority conservation officer?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "care",
            "name": "Care",
            "description": "Care and repair.",
            "findings": [
              {
                "id": "care-finding",
                "name": "Care",
                "description": "Care.",
                "questions": [
                  {
                    "text": "What guidance exists on repair, energy efficiency and insurance for listed buildings?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "research",
        "name": "Research",
        "description": "Finding and researching.",
        "rationale": "Sources.",
        "layers": [
          {
            "id": "search",
            "name": "Search",
            "description": "Searching lists.",
            "findings": [
              {
                "id": "search-finding",
                "name": "Search",
                "description": "Search.",
                "questions": [
                  {
                    "text": "How are listings searched in the National Heritage List for England and equivalents?",
                    "kind": "action"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "process",
            "name": "Process",
            "description": "Listing process.",
            "findings": [
              {
                "id": "process-finding",
                "name": "Process",
                "description": "Process.",
                "questions": [
                  {
                    "text": "How are buildings proposed, assessed and listed or delisted?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits the specific heritage body?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "History and comparison.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "history",
            "name": "History",
            "description": "History.",
            "findings": [
              {
                "id": "history-finding",
                "name": "History",
                "description": "History.",
                "questions": [
                  {
                    "text": "How did listing begin in the 1940s, and how has it evolved?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits heritage protection in the United Kingdom?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "comparison",
            "name": "Comparison",
            "description": "Other countries.",
            "findings": [
              {
                "id": "comparison-finding",
                "name": "Comparison",
                "description": "Comparison.",
                "questions": [
                  {
                    "text": "How do other countries protect historic buildings?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits cultural heritage designation?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should each grade be a separate entry?",
    "How should heritage databases be linked?",
    "The registry entry has merged aliases naming grades; should they be split off?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}