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Building plot for the villa

Building plot for the villa: Selection and size

The building plot shapes the villa more than any other decision: location, layout, topography and the permissible development according to GRZ and GFZ set the framework for the design. This page objectively classifies the most important criteria.

The building plot sets the framework for the villa

Before the design comes the building plot. Its location, its layout and the planning law requirements determine how large a villa may become, where it is placed and how it orients to the surroundings. Villas often include 250 to over 1,000 m² living area; in order for the building, garden and privacy to come into a good ratio, generous building plots are the rule. The permissible development results from the development plan, in particular from the site coverage ratio (GRZ) and the floor space ratio (GFZ).

Topography and subsoil influence the costs considerably. A hillside plot enables a view and exciting architecture, but often causes additional effort for foundation and drainage. How such factors are reflected in the budget is shown on the page about the cost drivers. Regional particularities and their characteristics are covered on the page about the locations.

Criteria for building plot selection

CriterionSignificanceReference value
Plot sizeRatio to the villa, open space, setback areas, privacyoften 800 – 5.000 m² and more
GRZ (site coverage ratio)permissible proportion of the buildable plot areaoften 0.2 – 0.4 in villa areas
GFZ (floor space ratio)permissible floor area in relation to the plotoften 0.3 – 0.8, depending on the development plan
Topographyhillside location, orientation, view, development effortSlope: additional costs for foundation possible
Location advantagelakeside location, forest edge, panorama, connectivity, neighborhoodstrongly price-forming, location-dependent

Reference values from market observation, project-dependent. GRZ and GFZ result bindingly from the respective development plan. This overview is a general explanation and no legal advice.

Align building plot and villa with each other

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Correctly assess special locations

Hillside location

View and architectural potential, but additional effort for foundation, statics and drainage. Soil report and early static assessment are advisable.

Lakeside location

Shore protection, flood risk and water distances limit the development. Strongly price-forming, thorough review of local requirements necessary.

Privacy

Size, layout, planting and building positioning determine the insight. Quiet, generous plots offer more leeway.

How the building plot and building mass can be combined in the floor plan is covered on the page about the floor plan of the villa. An independent review of the project is offered by the construction consulting.

Frequently asked questions about the villa plot

Factual answers regarding size, GRZ and GFZ, hillside and lakeside location as well as privacy – reference values, project-dependent, no legal advice.

How large should the building plot for a villa be?
It depends on the villa size, the permissible development and the desired open space. Villas often comprise 250 to over 1,000 m² living area; for a balanced ratio of building, garden and privacy, plots of about 800 to 5,000 m² and more are common. Decisive are GRZ and GFZ in the development plan that limit the buildable area. The values are reference values, project-dependent.
What do GRZ and GFZ mean?
The site coverage ratio (GRZ) indicates which proportion of the plot may be built on; a value of 0.3 allows about 30 percent built area. The floor space ratio (GFZ) describes the ratio of the total floor area to the plot area. Both values are in the development plan and limit how large a villa on a plot may be. This is a general explanation and does not replace legal advice.
What should be considered for a hillside plot?
A hillside plot often offers a view and exciting architecture but requires special attention for foundation, structural analysis, drainage and development. These points can cause considerable additional costs. A soil survey and an early structural assessment are particularly important here before the design is fixed.
What should be considered for a lakeside plot?
In lakeside situations shore protection, flooding, water body setbacks and nature conservation conditions play a major role. The permissible development is often more restricted than in other locations. Such plots are strongly price-forming and require thorough checking of the local specifications through local specialist consulting.
How do I secure privacy on the building plot?
Privacy arises from the interplay of building plot size, layout, orientation of the building structure, planting and height offset. The placement of the villa and the position of the window areas already strongly influence how easily it can be seen into. Large, quietly located building plots offer more scope here, but do not replace careful planning.
Does the building plot affect the construction costs?
Yes, significantly. Topography, subsoil, development and regulations can noticeably change the costs, for example through complex foundation on a slope or special requirements in lakeside locations. The building plot is considered separately in the overall investment and is not included in the square meter price of the building.

All information consists of guide values from market observation and is project-dependent. Statements on GRZ, GFZ and building regulations are general explanations and not legal advice. Luxus-Villa recommends local specialist advice for binding questions.

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