Open federal and cantonal geodata⏱Report link usually within 24 hours💳TWINT, card, Apple Pay, Google Pay↩Correction, otherwise refund (14 days)

Guides

Sun, shadow and location, clearly explained.

What lies behind south-facing, evening sun, winter shadow and shadow diagrams, and how to check them for an address in Switzerland. For private individuals before buying or renting, and for estate agents, valuers and planners.

Location checkChecking the location before buying propertyCheck the sun, view, noise, natural hazards and public transport of an address before you buy or rent.Sun and shadowChecking sun and shadow for an addressHours of sunshine for every day, shadow casting in 3D with mountains, neighbouring buildings and trees.ViewChecking the view: what can you see from a house, flat or plot?Panoramic view from every façade and floor, with mountain names and the building zones opposite.Natural hazardsChecking natural hazards when buying a houseHazard maps, surface runoff, earthquakes and hail at the address, with what the colours mean.SolarChecking the solar potential of the roofThe Confederation’s sonnendach.ch with suitability and yield, plus the shading from the 3D model.SurroundingsChecking the surroundings of an addressPublic transport, shopping, school, noise, air, accidents and building zones around the address.Property analysisProperty analysis in Switzerland: analysing the location of an addressMicro-location in figures: sun exposure, view, risks, access and potential of an address.GuideBuying a house in Switzerland 2026Equity, affordability, mortgage, purchase costs, taxes, contract and location.GuideBuying a house: 12 things the listing doesn’t showWinter sun, view, building zone, noise, natural hazards, solar, public transport: the location checklist.GuideBuying a flat: check the location in 5 minutesFloor, winter sun, balcony, noise, view, public transport, cellar: seven questions before the viewing.Sun by placeHours of sunshine by municipalityWhen the winter sun comes out from behind the mountain: calculated for municipalities in Central Switzerland, neighbourhood by neighbourhood.Renting a flatViewing a flat: what should you look out for?The checklist for location, noise, getting around and sun, before you sign.Renting a flatHow noisy is the flat really?Check road and railway noise against the limits of the Noise Abatement Ordinance.Buying or renting a flatHow much sun does my flat get?Orientation, winter sun, neighbouring buildings: check the hours of sunshine before buying or renting.Balcony, terrace, gardenEvening sun on balconies and terracesWest-facing balcony or south-west terrace: when the evening sun arrives and when it goes.Neighbours and new buildingsShadow from the neighbouring buildingBuilding profile poles next door: estimate the cast shadow and record the current situation.Building and planningShadow diagram and 2-hour shadowTerms, the rule in the canton of Zurich, and what a preliminary check can do.Property professionalsSun exposure and micro-location in the sales dossierFor estate agents and valuers: document sun exposure, view and micro-location.

Sun and shadow at your address, in 3D.

Single report CHF 49, link by email usually within 24 hours. Based on open federal and cantonal geodata.

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