Last updated: September 2026
A neighbourhood (Grätzl) in Vienna's 8th district. Strongest on Public transport and Safety, while Affordability is more of a trade-off.
Piaristengasse shows off its finest side with its many old buildings and inviting Gastgärten that define daily life here. It's a peaceful place where you can enjoy life outdoors. However, for extended walks in large parks, you'll need to venture a bit further.
The streetscape is almost solidly Gründerzeit apartment houses.
The six dimensions
Light & built form
Piaristengasse is densely and tall built — light falls narrow between the facades, and the lanes turn shady earlier in the day. Measured at the Grätzl centre: about 10.8 hours of direct sun on the longest day, about 0.4 in December. The low winter sun (only ~18° at noon in Vienna) mostly stays behind the rooftops here. In the evening the sun disappears early behind the buildings. How bright a single flat is comes down to floor, orientation and courtyard vs. street side — the measurement is for the Grätzl centre.
☀️ Experience the sun's path here →Light & sun in Vienna
The roofs above Piaristengasse
Within 450 m of the centre, buildings carry around 13 hectares of roof that would be greenable by pitch — 38.4 % of the roof area there, calculated from the City of Vienna’s official roof model. On that area roughly 24,300 m³ of rain a year would stay up top instead of entering the sewer, by the model. The modelled heat index here is 62 out of 100.
The radius is a fixed reference area, not a neighbourhood boundary, and the circles of adjacent neighbourhoods overlap — so these figures cannot be added up. Whether any of these roofs is already green is unknown to a geometry model; whether it carries the build-up is for a structural engineer to say. Geometry as of 2016. All districts compared →
Similar neighbourhoods
Mariahilfer StraßeThaliastraßeLinke WienzeileWähring Zentrum
Nearby neighbourhoods
Josefstädter Straße, 8th district
Related guides
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Frequently asked about Piaristengasse
What is it like to live in Piaristengasse?
Piaristengasse reaches a Living Score of 84 out of 100 (Very good place to live). It is strongest on Public transport (Excellent), followed by Safety; Affordability is more of a trade-off. The score combines six dimensions from open data (City of Vienna OGD, OpenStreetMap, Wiener Linien, Statistics Austria).
Where is Piaristengasse?
Piaristengasse is in Vienna's 8th district (Josefstadt), postal code 1080.
How safe is Piaristengasse?
Safety in Piaristengasse: Excellent (8.5/10), based on official police crime statistics. A non-binding orientation value for the area, not a statement about any single address.
Is Piaristengasse dangerous?
Short answer: no — Vienna consistently ranks among the safest large cities in the world, and that holds across all 23 districts. Piaristengasse sits at 8.5 out of 10 on the safety dimension (Excellent). One thing worth knowing when reading such figures: crime statistics count offences where they HAPPEN, not where those affected live. Districts with major stations, nightlife and many visitors therefore collect more reports without a residential street a few corners away being any different. Within a district, the gap between a busy hub and a quiet side street is usually larger than the gap between two districts.
How good is public transport in Piaristengasse?
Public transport in Piaristengasse: Excellent (9.0/10) – based on proximity to metro, tram and bus (Wiener Linien).
Is Piaristengasse noisy?
Quiet in Piaristengasse: Average (6.2/10), based on traffic-noise exposure. Part of the area sits along Hernalser Gürtel; a few streets further in it gets noticeably quieter. Right there, traffic drowns out a conversation with the window open (calculated above 75 dB by day). At night it calms down noticeably — the level drops below the threshold at which mapping begins. The busiest named axes nearby, by official annual traffic volume: Lerchenfelder Gürtel (~22,878/day), Hernalser Gürtel (~22,149/day), Alser Straße (~21,260/day).
How hot does Piaristengasse get in summer?
In summer Piaristengasse is heat-prone — warmer than the Vienna average. Heat index 62 of 100 (Vienna average 57), modelled. Dense, enclosed building form stores the day's heat and releases it slowly at night; there is little green to cool it. This is a MODELLED index (from building form, density, green space, street trees, water and elevation, checked against the City of Vienna's climate analysis map), not a measured temperature and not a count of hot days. Within one area it varies a lot: a green courtyard and a treeless street a few metres apart are not the same place.
How green is Piaristengasse?
Green space in Piaristengasse: Good (7.5/10). Parks and greenery shape everyday life here.
Who is Piaristengasse a good fit for?
Most of all for people who value short trips by public transport and a safe area. Less ideal if good value for money is at the very top of your list — that's the trade-off here.
Is Piaristengasse expensive?
Guide prices for Piaristengasse: rent around €22/m², buying around €9,600/m² (indexed orientation). Value for money in the Living Score: Average.
How is the natural light in Piaristengasse?
Piaristengasse is densely and tall built — light falls narrow between the facades, and the lanes turn shady earlier in the day. Measured at the Grätzl centre: about 10.8 hours of direct sun on the longest day, about 0.4 in December. How bright a single flat is comes down to floor, orientation and courtyard vs. street side — the measurement is for the Grätzl centre.
What kind of buildings shape Piaristengasse?
In Piaristengasse: The streetscape is almost solidly Gründerzeit apartment houses. Per the City of Vienna building typology, around 76% of the residential buildings here are Gründerzeit apartment houses (1848–1918). How a single flat is laid out still depends on the individual building.
How much roof area around Piaristengasse could be greened?
Within 450 m of the centre of Piaristengasse, around 13 hectares of roof are greenable by pitch — 38.4 % of the roof area there. The figure comes from the City of Vienna’s Generalised Roof Model LOD2.1: for every roof face the official area and the official pitch are read and sorted by the thresholds of the City’s green-roof potential cadastre (up to 5° intensive and extensive, up to 20° extensive, minimum 5 m²). It says nothing about which of those roofs is already green, and nothing about statics.