{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-10T20:20:00Z", "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": 1, "engine": "claude", "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-05T14:00:00Z", "ingestedAt": "2026-10-05T13:11:18+00:00", "fields": [ "agent_conduct", "ethics", "owners" ] }, "revisions": [ { "at": "2026-10-06T22:51:00+00:00", "engine": "codex", "fields": [ "definition", "distinguishing_features" ], "answering_review": "91ea6fd0ae5be59b468dcacf16bd41719651386427ad531a62228acf606f3e02" } ], "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:30+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q3947", "registryId": "vr.tr.house", "name": "house", "version": "0.2.0-wave.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q3947/", "model": { "registry_id": "vr.tr.house", "name": "house", "purpose": "Let an agent tell a house from the household living in it and from the plot it stands on, judge its condition and its permissions, and decide what may be done to it and by whom.", "definition": "A building usually intended for people to live in, which may accommodate one or more households and may have independent, shared or no utility connections.", "what_it_is_for": "Sheltering a household: keeping weather out, holding warmth, and giving a place to sleep, cook, wash and keep belongings.", "affordances": [ "live in it, which is the point and the thing most rules protect", "enter and leave it, and stop others doing so", "heat, cool, light and supply it, all of which need connections it does not own", "alter, extend and repair it, mostly with permission", "buy, sell, let and mortgage it, none of which touch the building", "insure it against the events that damage buildings" ], "distinguishing_features": [ "A house is a dwelling building that may accommodate one or more households, while a flat is a dwelling within a larger building.", "A house is a building distinct from the household that lives there and from the plot it stands on.", "A house is permanent and sited, which separates it from a caravan or a houseboat used as a home.", "Residential permission affects the legal status of its use but does not define whether the building is a house." ], "appearance": "A roofed structure of one to three storeys with walls, windows and at least one door to the outside, standing alone or joined to neighbours, usually within a boundary that marks its plot.", "visual_identification": [ "Its own front door to the outside, which is what separates a house from a flat inside a larger building", "Roof form and wall material, which indicate period and construction and so what may be behind the surface", "A street address or plot number, which identifies this house rather than the kind - and addresses are reassigned more often than people expect", "Meter positions and service connections, which say what it is actually supplied with rather than what it appears to have" ], "physical_properties": [ { "quantity": "floor area", "typical_range": "50-250", "unit": "m2", "note": "varies more by region than by anything about the building" }, { "quantity": "storeys", "typical_range": "1-3", "unit": "count", "note": "excluding cellars and roof spaces, which are counted differently by different registers" }, { "quantity": "occupancy", "typical_range": "1-6", "unit": "people", "note": "designed occupancy and actual occupancy routinely differ" }, { "quantity": "service life", "typical_range": "60-150", "unit": "years", "note": "structure outlasts every system inside it" } ], "families_and_kinds": [ "by attachment: detached, semi-detached, terraced", "by construction: masonry, timber frame, panel, prefabricated", "by tenure: owner-occupied, rented, social, shared ownership", "by period, which in practice predicts construction, insulation and hazards better than any other single fact" ], "related_models": [ { "relation": "is a kind of", "target": "building", "why": "everything true of buildings applies: structure, permits, inspection, demolition" }, { "relation": "is confused with", "target": "household", "why": "the people are not the building; they move, it does not" }, { "relation": "is confused with", "target": "land parcel", "why": "the plot is a separate object with its own boundaries and its own register" }, { "relation": "needs", "target": "water supply and drainage", "why": "a dwelling without them is uninhabitable regardless of its condition" }, { "relation": "contains", "target": "room", "why": "rooms are where occupancy, heating and most alterations are actually reasoned about" }, { "relation": "regulated by", "target": "building code and planning regime", "why": "these decide what may be built, altered and occupied" } ], "identifiers": [ { "scheme": "address", "value_or_pattern": "jurisdiction-specific", "note": "human-facing and reassignable; not a stable identifier" }, { "scheme": "cadastral or title number", "value_or_pattern": "national register", "note": "identifies the property in law, which is the plot plus what stands on it" }, { "scheme": "building reference in an address register", "value_or_pattern": "national", "note": "the closest thing to a stable identifier for the structure itself" } ], "standards_and_regulation": [ "National building codes, which set structure, fire, insulation and accessibility requirements at the time of construction or alteration", "Planning or zoning regimes, which decide whether a dwelling may exist there at all", "Energy performance certification schemes, which produce the rating attached to sales and lettings", "Housing fitness and habitability standards, which govern what a landlord must maintain" ], "failure_modes_and_hazards": [ "Water: roof, plumbing and rising damp, which cause most of the slow damage buildings suffer", "Structural movement and subsidence, which is what surveys look for and what insurers price", "Fire, with escape routes and detection the things that decide outcomes", "Hazardous materials from the period of construction - asbestos, lead paint, lead pipe - which constrain any alteration", "Services failing: heating in winter and drainage at any time make a sound house uninhabitable" ], "in_scope": [], "out_of_scope": [], "characteristics": [], "agent_conduct": { "may": [ "Describe a house from public records and visible features.", "Monitor and report its systems (heating, water, power) for the household that authorized it.", "Schedule maintenance requested by the occupants." ], "must_not": [ "Enter a house without the occupants' permission or a lawful warrant.", "Record or share images of the inside of a home without consent.", "Disable safety systems such as smoke alarms or gas shut-offs.", "Present a house as available for sale or rent without the owner's authority." ], "requires_human": [ "Changing locks, access codes or alarm settings.", "Calling emergency services on the household's behalf when the situation is unclear." ] }, "ethics": { "considerations": [ "A home is where privacy is strongest; observing it is intrusive even when legal.", "Housing decisions affect families' security and can discriminate." ], "affected_parties": [ "Occupants and household members", "Neighbours", "Owners and tenants" ] }, "owners": { "steward": "The owner of the property; the occupants hold possession. The land registry records title.", "master_systems": [ "Land registry or cadastre" ] } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q3947: house", "url": "https://www.wikidata.org/wiki/Q3947", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: House", "url": "https://en.wikipedia.org/wiki/House", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "identity-and-property", "name": "Identity, plot and property rights", "description": "Which house this is, what land it stands on, and who holds what over it.", "rationale": "The building, the plot and the rights are three separate objects that share an address, and nearly every mistake about a house starts by merging them.", "layers": [ { "id": "which-house", "name": "Which house this is", "description": "Address, register entries and what each of them actually names.", "findings": [ { "id": "identifiers-and-scope", "name": "Identifiers and what each identifies", "description": "An address names a delivery point, a title names a property, and neither names the structure.", "questions": [ { "text": "What address and register entries name this house, and does each refer to the building, the plot or the property?", "kind": "definition" }, { "text": "What evidence resolves the case where the address has been reassigned or the plot subdivided?", "kind": "provenance" } ] } ] }, { "id": "rights-over-it", "name": "Rights and interests", "description": "Ownership, tenancy, charges and rights others hold over it.", "findings": [ { "id": "who-may-decide", "name": "Who may decide what", "description": "Owner, occupier, lender and neighbour each hold different powers over the same house.", "questions": [ { "text": "Who owns, who occupies, and who else holds a registered interest or right of way over this house?", "kind": "definition" }, { "text": "Whose consent does a given alteration require, and what must an agent refuse to arrange without it?", "kind": "action" } ] } ] } ] }, { "id": "fabric-and-construction", "name": "Fabric, construction and period", "description": "What it is made of and what that implies about everything else.", "rationale": "Period and construction predict insulation, hazards, repairability and cost more reliably than any survey line item, and they cannot be changed.", "layers": [ { "id": "structure", "name": "Structure and materials", "description": "Walls, roof, floors and foundations as built and as altered.", "findings": [ { "id": "as-built-and-as-altered", "name": "As built and as altered", "description": "The original construction and every change made since, which is usually undocumented.", "questions": [ { "text": "What construction and materials is this house built from, and which parts have been altered since?", "kind": "definition" }, { "text": "What evidence exists for alterations, and what should an agent assume where there is none?", "kind": "provenance" } ] } ] }, { "id": "hazardous-materials", "name": "Hazardous materials", "description": "What the period of construction implies is present.", "findings": [ { "id": "period-hazards", "name": "Period hazards and their constraint", "description": "Materials that are safe in place and dangerous when disturbed.", "questions": [ { "text": "Which hazardous materials are likely given this period of construction, and where would they be?", "kind": "boundary" }, { "text": "What must be established before any work disturbs them, and by whom?", "kind": "action" } ] } ] } ] }, { "id": "habitability-and-services", "name": "Habitability, services and performance", "description": "Whether it can be lived in, and how well.", "rationale": "A house is fit to live in or not, and that depends on connections and systems it does not contain rather than on the structure that dominates its description.", "layers": [ { "id": "connections", "name": "Connections and supply", "description": "Water, drainage, power, heat and communications, each with its own supplier and failure mode.", "findings": [ { "id": "supply-record", "name": "What it is connected to", "description": "Which services reach it, on what terms, and what happens when one stops.", "questions": [ { "text": "Which services is this house connected to, metered how, and who supplies each?", "kind": "definition" }, { "text": "Which single failure makes it uninhabitable, and what is the response?", "kind": "action" } ] } ] }, { "id": "performance", "name": "Thermal and energy performance", "description": "How well it holds heat and what that costs.", "findings": [ { "id": "performance-record", "name": "Performance, measured and modelled", "description": "The certificate figure, how it was produced, and what it fails to capture.", "questions": [ { "text": "What energy performance is recorded for this house, assessed by whom and when?", "kind": "measurement" }, { "text": "Where does the assessment method diverge from how the house actually behaves?", "kind": "boundary" } ] } ] } ] }, { "id": "condition-and-maintenance", "name": "Condition, defects and maintenance", "description": "What state it is in and what is falling due.", "rationale": "Buildings fail slowly and predictably, and the whole value of a condition model is that it turns a slow failure into a scheduled task.", "layers": [ { "id": "defects", "name": "Defects and their urgency", "description": "What is wrong, how bad, and how fast it worsens.", "findings": [ { "id": "defect-record", "name": "Defects and their trajectory", "description": "Findings with a date, a severity and a rate of change.", "questions": [ { "text": "What defects are recorded for this house, found by whom, and how quickly does each worsen?", "kind": "measurement" }, { "text": "Which defect obliges immediate action rather than scheduling, and on whose judgement?", "kind": "action" } ] } ] }, { "id": "maintenance", "name": "Maintenance cycle", "description": "The recurring work that keeps a house from failing.", "findings": [ { "id": "maintenance-schedule", "name": "Recurring work and responsibility", "description": "What must be done, how often, and who is obliged to do it.", "questions": [ { "text": "What maintenance does this house require, at what interval?", "kind": "definition" }, { "text": "Who bears each obligation under the current tenure, and what happens when it is not met?", "kind": "action" } ] } ] } ] }, { "id": "permissions-and-change", "name": "Permissions, alteration and lifecycle", "description": "What may be changed, by whom, and how the house ends.", "rationale": "Almost nothing may be done to a house without permission from somebody, and the permission regime is the part an agent is most likely to get wrong.", "layers": [ { "id": "permission-regime", "name": "What needs permission", "description": "Planning, building control, conservation and tenancy constraints.", "findings": [ { "id": "permission-map", "name": "Permission required, by change", "description": "Which alterations need which consent, and which need none.", "questions": [ { "text": "Which consents does a given alteration to this house require, and from which authority?", "kind": "definition" }, { "text": "What must an agent verify before arranging work that may need consent?", "kind": "action" } ] } ] }, { "id": "lifecycle", "name": "Change of use, extension and end", "description": "Conversion, subdivision, demolition, and what each does to the identity of the thing.", "findings": [ { "id": "identity-through-change", "name": "Identity through change", "description": "When a change makes it a different house, and when it does not.", "questions": [ { "text": "Which changes preserve the identity of this house in the registers, and which create a new object?", "kind": "boundary" }, { "text": "What must be recorded so that a later reader can follow the house through those changes?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Should the model treat a house as a building with a dwelling use, or as a dwelling that happens to be a building - the two give different answers for conversions and subdivisions?", "How should shared structures be handled, where a terrace is one structure and several houses?", "What is the minimum evidence for occupancy, given that registers, utilities and reality routinely disagree?", "How should period-implied hazards be represented so they are treated as likelihoods rather than as recorded facts?" ], "statistics": { "bundles": 5, "layers": 10, "findings": 10, "questions": 20 } }