What is a ground plan? What is it used for? Where to ask for it ?

The layout plan is one of the plans that must be provided in the context of an application for a building permit, a prior declaration of work or a connection to public networks. This is a very precise plan which represents the entire plot in its environment as well as all the constructions and elements already present and/or envisaged. All dimensions should be given and carefully drawn to scale. Let’s review the characteristics of the ground plane and its usefulness.

What is a master plan?

The ground plan is a plan that represents an overview of a property in the context of its neighborhood, as well as the different constructions that inhabit it and that are envisaged there. Under article R 431-9 of the Town Planning Code, this very precise document in terms of dimensions and representations is one of the documents required in the context of a building permit application, for a new house, for a renovation or for any exterior addition (terrace, fence, garden shed, swimming pool, etc.).

The master plan is codified PCMI 2 in the administrative framework. It must precisely show the limits of the parcel and all the constructions which appear there or which are envisaged there, to scale and with precise dimensions in length, width and height.

What the floor plan contains

For a site plan to be valid, it must be complete and include the elements listed in article R 431-9 of the Town Planning Code and in Cerfa notice n°51343 05.

On any ground plan must appear:

  • The orientation of the plan and the altitude of the plot (with its possible embankments and unevenness)
  • The boundaries of the parcel and the precise dimension of each side
  • The footprint of the buildings already present on the site, with their dimensions (width, length and height)
  • The footprint of the desired constructions on the plot, with their dimensions, and the footprint of the surfaces to be excavated for the establishment of these new constructions
  • The distances that separate the new constructions from any existing construction and from the boundaries of the plot
  • The trees present on the plot, those to be removed, those to be moved and those to be planted
  • The boundaries of the plot and the elements that delimit them: fences, gates, gates, etc.
  • Access areas, parking areas and traffic lanes provided on the plot and outside
  • Connections to public networks (water, electricity, telephony/internet, gas, rainwater, sanitation, etc.).

What is the use of a ground plan?

The ground plan is a document required as part of a construction or renovation project on land. It must imperatively be appended to any official request for a building permit, prior declaration of works or request for connection to public networks. This is not just yet another document to provide, but an essential plan for your project which allows the town planning department of your municipality to check that what you are planning complies with the regulations in force and respects imposed distances from the neighborhood and public space.

For these verifications, it is essential that the ground plan be rigorously drawn and that the dimensions to be represented therein be strictly respected.

Where to request a ground plan?

As part of the construction of a new house, the ground plan is one of the documents provided by the builder of the dwelling or by its architect. For a project subsequent to the construction, in particular within the framework of a development of plot or a renovation, you can obtain the ground plan of your plot through the cadastral administration of your municipality, by Internet or by going there.

The owner of the plot can also draw up his master plan himself. However, it must imperatively respect the instructions, standards and dimensions for it to be valid.

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