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SPATIAL FRAMEWORK FOR A TITLE REGISTRATION SYSTEM: UNIQUE PARCEL IDENTIFIERS AND CADASTRAL MAPS

SPATIAL FRAMEWORK FOR A TITLE REGISTRATION SYSTEM: UNIQUE PARCEL IDENTIFIERS AND CADASTRAL MAPS. TITLE REGISTRATION. Based on parcels of land Transactions set out in simple documents – reference to the land parcel Registration of transactions is essential to their validity.

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SPATIAL FRAMEWORK FOR A TITLE REGISTRATION SYSTEM: UNIQUE PARCEL IDENTIFIERS AND CADASTRAL MAPS

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  1. SPATIAL FRAMEWORK FOR A TITLE REGISTRATION SYSTEM: UNIQUE PARCEL IDENTIFIERS AND CADASTRAL MAPS

  2. TITLE REGISTRATION • Based on parcels of land • Transactions set out in simple documents – reference to the land parcel • Registration of transactions is essential to their validity

  3. SPATIAL FRAMEWORK - CADASTRE • Unique parcel identifiers – linking documents and maps • Cadastral maps depicting parcel framework – location, spatial relationships

  4. DESIRABLE UPIN FEATURES 1. Unique 2. Easy to remember 3. Easy to use 4. Permanent 5. Capable of being updated 6. Flexible (can be used for multiple purposes)

  5. DESIRABLEUPIN FEATURES CONT’D 7. Ease and economy (introduction, maintenance) 8. Able to support archiving , historical record 9. Maintained by one authority 10. Independent

  6. IDEAL UPIN QUALITIES • Compatible with other agencies • Preferably the same system • Primary key to link databases

  7. UPIN OPTIONS Most common: • Cadastral administrative area, block, parcel. • Cadastral map, parcel Others: 3. Title number 4. Street address 5. Tax/Utility number 6. Geocode Less Desirable options: 7. Abuttals (i.e. ‘bounded in the north by…’) 8. Metes and bounds 9. Grantee/grantor index

  8. UPIN EXAMPLES • Australia – lot/plan number e.g. 3/790349 • Sweden- municipality or village, block, parcel e.g. HaningeSvartso 3:49 • Latvia – e.g. 01000030002,(cadastral territory 0100,cadastral group 003, parcel 0002) • England – administrative area, lot (e.g. CS72510 for parcel 72510 in Cornshire) • Cambodia – e.g. 05070512-0104, (Province 05, District 07, Commune 05, Village 12, lot 0104) • Thailand – various options (requires cross indices) including: • lot/map • Title number • Adjudication number

  9. SPATIAL FRAMEWORK - CADASTRE • Topological applications: • Identification of parcel on the register • Spatial framework for register – data validation, verification • Spatial query/access to data • Spatial/metric applications: • Relocation of a boundary if necessary • Support subdivisions/consolidations • Calculation of parcel areas/offsets, etc. • Basis for Spatial Data Infrastructure (SDI)

  10. EXAMPLES OF CADASTRES Some cadastral systems: • Registry map that precisely define parcel boundaries (e.g. European cadastral maps) • General registry map with file plans for each parcel prepared from this map (e.g. England) • Individual land parcel plans with or without an index/chart/noting map (e.g. Australia, or Thailand) Source: Simpson, 1976

  11. Ordinance Survey Map - UK

  12. Cadastral Map - Thailand

  13. Survey Plan - Thailand

  14. Urban Photomap - Thailand

  15. Cadastral Overlay - Thailand

  16. Spatial Portal - NSW

  17. DCDB – 33 Foothills Road

  18. Deposited Plan 29894

  19. SURVEY: Cost vs Precision 10 1.0 Accuracy (m) 0.01 0.001 0 5,000 10,000 15,000 20,000 Equipment Cost US$ Source: Dale and McLaughlin 1999

  20. SURVEY OPTIONS • Graphical • Plane-table • Square offset (optical square/cross staff) • Imagery (unrectified, rectified, ortho) • Large scale topographic maps • Digital • GPS (including RTK GPS) • Electronic total-stations • Digital photomaps (aerial/satellite, other sensors)

  21. PHILIPPINES – SNS REPORT

  22. HIGH RESOLUTION SATELLITE IMAGRY Source: Y. V. N. Krishnamurthy, 2010

  23. SPATIAL FRAMEWORK - SUMMARY • For registry cadastre completeness and currency are more important than accuracy • Survey is typically a major cost component (~50%) in both for compilation and maintenance • No country has adopted a full high accuracy/cost approach in implementing land administration reform

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