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Land Survey Services

Survey Maps
SLA maintains maps and plans in electronic form. These records include


Cadastral Maps
Cadastral Maps are survey maps prepared and maintained under the Boundaries and Survey Maps Act. To-date, there are 1,596 maps covering the whole of Singapore. The data items shown in the maps are land lot numbers, house numbers, areas, lot boundaries, land tenures, title boundaries, survey plan numbers, survey district numbers and their boundaries, and road names.

The Cadastral Maps are updated as soon as the survey plans showing the subdivision or amalgamation of land parcels have been approved by the Chief Surveyor. New Cadastral Maps are created to accommodate newly reclaimed lands.

These plans are made accessible to the general public via a Web Portal called Integrated Land Information Service (INLIS).

For samples of Cadastral maps, please click here

For Cadastral Map Grids & Coordinates, please click the followings.
DXF File Format
PDF File Format
Shape File Format





Registrar of Title Plans (RT)
A Registrar of Title (RT) Plan is a survey plan showing the provisional boundaries and areas of land lots. The plan is prepared by registered surveyors and must be approved by the Chief Surveyor. RT Plan will be superseded by the Certified Plan (CP) after a ground survey has been conducted. Since 1 Apr 2003, the RT plan has been abolished except in the survey of subterranaen lot, airspace lot, reclaimed land and foreshore structure.

These plans are made accessible to the general public via a Web Portal called Integrated Land Information Service (INLIS).

For samples of RT, please click here




Certified Plan (CP), Strata Certified Plan (CPST)
These plans show the final boundaries and areas of the lots. They must be approved by the Chief Surveyor. Plans which depict land parcels are called Certified Plans (CP). Plans depicting strata lots are referred to as Strata Certified Plan (CPST). Each plan bears a unique plan number.

These plans are made accessible to the general public via a Web Portal called Integrated Land Information Service (INLIS).

For samples of CP and CPST, please click CP | CPST




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