{"version":2,"brief":"docs/PLATFORM.md","principle":"AGR first — open layers around a residual land-rent engine.","choropleth_metrics":[{"id":"agr_plot","label":"AGR (typical plot)","unit":"£/year","group":"value","description":"Notional plot Annual Ground Rent — primary SLRG residual estimate.","property":"annual_ground_rent_plot_gbp"},{"id":"rent_per_sqm","label":"Land rent intensity","unit":"£/m²/year","group":"value","description":"Economic site rent per square metre — comparable across places.","property":"site_rental_per_sqm_gbp"},{"id":"house_price","label":"House prices (HPI)","unit":"£","group":"value","description":"UK HPI average house price by council (OGL) — market value context for residual.","property":"average_price_gbp"},{"id":"agr_price_pct","label":"AGR as % of house price","unit":"%","group":"value","description":"Plot AGR ÷ HPI average price — how large the land rent is relative to local prices.","property":"agr_as_pct_of_price"},{"id":"land_share","label":"Land share of value","unit":"%","group":"value","description":"Implied residual land share of market value (MV − DRC) / MV.","property":"site_share_pct"},{"id":"site_capital","label":"Site capital","unit":"£/m²","group":"value","description":"Economic (Pickard-adjusted) site capital per m².","property":"site_capital_per_sqm_gbp"},{"id":"simd","label":"Deprivation (SIMD)","unit":"% zones in 20% most deprived","group":"context","description":"SIMD 2020v2 share of data zones in Scotland’s 20% most deprived — equity context.","property":"simd_pct_20most_deprived"},{"id":"pop_density","label":"Population density","unit":"people/km²","group":"context","description":"NRS population ÷ council land area — pressure on land.","property":"population_density_per_km2"},{"id":"net_contribution","label":"Net fiscal position","unit":"£/year net","group":"fiscal","description":"Plot gross AGR − equal dividend − remote credit. Positive = funds the state; negative = net receiver (remote/low rent).","property":"net_contribution_plot_gbp"},{"id":"gross_liability","label":"Who pays most (gross)","unit":"£/year gross","group":"fiscal","description":"Gross plot AGR under active scenario — highest-rent places pay most.","property":"gross_plot_liability_gbp"},{"id":"vacant_residual","label":"Vacant land residual","unit":"£/year on SVDLS ha","group":"context","description":"Illustrative full AGR on SVDLS vacant/derelict hectares. Survey polygons, not a bill.","property":"vacant_full_agr_gbp"}],"layers":[{"id":"agr_value","group":"value","status":"live","label":"Annual Ground Rent","description":"Residual site-value AGR on W3W cells and notional plots."},{"id":"boundaries","group":"spatial","status":"live","label":"ROS INSPIRE parcels","description":"Registered cadastral extents (geometry only — no owners).","minzoom":14},{"id":"cell_grid","group":"value","status":"live","label":"W3W cell grid","minzoom":12},{"id":"vdl","group":"spatial","status":"live","label":"Vacant and derelict land","description":"SVDLS sites (survey polygons). Owner class is not legal title.","endpoint":"/layers/open/vdl","licence":"OGL-3.0","source_url":"https://www.gov.scot/publications/the-scottish-vacant-and-derelict-land-survey-site-register/"},{"id":"public_crown","group":"ownership","status":"live","label":"Public and Crown Estate land","description":"SG 2024 map of five national bodies and Crown Estate Scotland. Indicative holdings, not a title, not local-authority land.","endpoint":"/layers/open/public-land","minzoom":6,"source_url":"https://www.arcgis.com/apps/dashboards/a10668ccd4784209bf22e3adcef6b897"},{"id":"la_holdings","group":"ownership","status":"gap","label":"Local-authority land holdings","description":"Spatial Hub ‘Land Ownership – Scotland’ is not an open public layer (PSGA / other restrictions). Shown as a gap, not scraped.","source_url":"https://data.spatialhub.scot/dataset/land_ownership-is"},{"id":"planning","group":"spatial","status":"linked","label":"Planning applications","description":"Verified official view pages where confirmed; otherwise national ePlanning. No national drawable WMS.","endpoint":"/api/registers.json","source_url":"https://www.eplanning.scot/ePlanningClient/"},{"id":"council_assets","group":"ownership","status":"linked","label":"Council asset / CAT registers","description":"Improvement Service amalgamated registers — Spatial Hub login.","source_url":"https://data.spatialhub.scot/dataset/council_asset_register-is","also":"https://data.spatialhub.scot/dataset/community_asset_transfer_register-is"},{"id":"common_good","group":"ownership","status":"linked","label":"Common Good registers","description":"Statutory LA registers; no single open national spatial layer yet."},{"id":"fife_land_map","group":"ownership","status":"linked","label":"Fife land map","description":"This council’s ArcGIS hub. Not a national layer.","source_url":"https://fife.maps.arcgis.com/home/index.html"},{"id":"sasine_private","group":"ownership","status":"gap","label":"Private owners and Sasine land","description":"Incomplete or paid. Gaps are shown; names are not invented."}],"tools":[{"id":"scenarios","status":"live","label":"LVT / AGR scenario calculators"},{"id":"api","status":"live","label":"Public assessment and layer API"},{"id":"downloads","status":"partial","label":"Open layer downloads via API"},{"id":"scotlis","status":"live","label":"Link through to ScotLIS"},{"id":"filters","status":"partial","label":"Filter by vacant land and value band"}],"data_policy":{"portal_scraping":false,"owners_from_inspire":false,"purchase_prices_from_inspire":false,"open_layers_only":true,"gaps_visible":true}}