How Does a Topographical Survey Work?

A topographical survey is a detailed map of an area of land that shows the natural and man-made features of the land, as well as its terrain. Topographical surveys are used by a variety of professionals, including engineers, architects, and land developers, to plan and design projects.


The first step in conducting a topographical survey is to establish a control network. This is a series of points on the ground that have been precisely surveyed and referenced to a known coordinate system. The control network provides a reference point for all of the other measurements that will be taken during the survey.


Once the control network has been established, the land surveyor will begin to measure the features of the land. This may include buildings, roads, trees, streams, and other natural features. The surveyor will also measure the elevation of the land at a series of points. This is done using a variety of equipment, such as a total station, a GPS receiver, or a laser scanner.

The surveyor will then use the data that they have collected to create a topographic map. The map will show the position and elevation of all of the features that were measured. It will also show the contours of the land, which are lines that connect points of equal elevation.


Topographical surveys are an essential tool for a variety of projects. They can be used to plan and design new construction projects, assess the impact of development on the environment, and manage natural resources. If you are involved in a project that requires a detailed map of an area of land, you should consider having a topographic survey conducted.


Here are some of the benefits of having a topographic survey done:

      • Improved decision-making: A topographic survey can provide you with accurate information about the land, which can help you make better decisions about your project. For example, a topographic survey can help you determine the best location for a building, the amount of earth that needs to be moved, and the potential impact of your project on the environment.

      • Reduced risks and costs: A topographic survey can help you identify potential problems with your project before they occur. This can help you reduce the risks of delays, cost overruns, and lawsuits.

      • Increased compliance: A topographic survey can help you ensure that your project complies with all applicable regulations. This can help you avoid fines and penalties.

    If you are considering having a topographic survey done, there are a few things you should keep in mind:

        • The size and complexity of the project will affect the cost of the survey.

        • The accuracy of the survey will depend on the equipment and methods that are used.

        • The time it takes to complete the survey will vary depending on the size and complexity of the project.

      Land surveys can be a complex and technical process, but they are an essential part of many different industries. If you are looking for a land surveyor in Bideford, then please do not hesitate