Why are cadastral maps created?

Why Are Existing Cadastral Maps Made?

An existing cadastral map is the measurement and mapping/drawing of the current physical state of a land area or settlement. The short answer to the question "Why are they made?" is: to provide a reliable reference for the current situation in official and technical processes.

The search for "why are existing cadastral maps made?" often leads to the following: official institutions or project teams requesting an up-to-date, measured map sheet during the zoning, project, expropriation, or permit stages — not just a "map drawing."

When Are Existing Cadastral Maps Needed?

Zoning and permit applications: Showing the existing structure, road, elevation, and boundary relationships on the parcel.
Project and contractor processes: Site plan, application, and pre-construction existing situation analysis.
Expropriation: Land valuation and documentation of property boundaries.
Infrastructure projects: Route and existing situation map for roads, canals, and energy lines.
Urban transformation: Planning of existing building stock, green areas, and social facilities.
Landscape and implementation plans: Topographic map, elevation, and land use analysis.

Who Requests Them?

Municipalities, zoning directorates, contractors, architecture/engineering offices, public institutions, and private investors request existing maps. Production in accordance with the BÖHHBÜY standards is a condition for acceptance in many official processes.

What Happens Without an Existing Map?

In projects carried out without documenting the existing situation, elevation errors, boundary discrepancies, permit delays, and site revision costs increase. An existing map; The project ensures that implementation and legal processes proceed on the same reference map sheet.

Important Notes

A topographic map is not a "general drawing". The scale (1/500, 1/1000, etc.), coordinate system, map sheet boundaries, level of detail, and approval authority must be clarified on a project basis. The production method (drone, total station, or GNSS) also affects the accuracy class.

KG Engineering

We offer topographic map production, topographic surveys, and site plan preparation in accordance with BÖHHBÜY standards. You can find details on our Topographic Map Production and Drone Map Production pages.