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Public-images-osm logo.svg house = terraced
Terrace (5526211578).jpg
Used in addition to building=house to map the individual units in a terrace. Preferred over mapping the whole terrace as one building. Show/edit corresponding data item.
Group: buildings
Used on these elements
should not be used on nodesshould not be used on waysmay be used on areas (and multipolygon relations)should not be used on relations (except multipolygon relations)
Useful combination
See also
Status: in use

This tag can be used in addition to building=house to map the individual units in a row of houses that form a [W] terrace. These are known as "rowhouses" or "townhouses" in North American English.

This is preferred over mapping the whole terrace as building=terrace by some mappers.

How to map

Draw an area area for each unit in the terrace, ensuring they have at least two nodes connecting the units together.

Building house terraced example.svg

Alternate tagging

There are many ways of mapping terraces, these can be seen of the wiki page Tag:building=terrace.

The house=terrace tag is currently used identically to house=terraced by some, but is not the recommended form. Instead, house=terrace is recommended to be used only on the terrace as a whole — i.e. if the terrace has not been split into individually mapped houses.

See this OSM tag history as a curve chart which shows the development of the usage numbers of the different tags in comparison.

Possible Tagging Mistakes

If you know places with this tag, verify if it could be tagged with another tag.
Automated edits are strongly discouraged unless you really know what you are doing!