party wall

American  

noun

1. a wall used, or usable, as a part of contiguous structures.

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party wall British  

noun

1. property law a wall separating two properties or pieces of land and over which each of the adjoining owners has certain rights

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Other Word Forms

• party-walled adjective

Etymology

Origin of party wall

First recorded in 1660–70

Example Sentences

As a result, the property wall was effectively a party wall, he said, and "needed to come down anyway".

From BBC

A: A shared wall is often called a “party wall,” but it’s no party when a neighbor’s snoring keeps you awake.

From Washington Post

He said they were both in the bedroom at the time and his wife was still in bed, next to the party wall between the properties.

From BBC

Strictly utilitarian and much less costly are invisible party walls, abutting adjacent buildings on each side, and the rear façade overlooking a public alley or back yard.

From Washington Post

I ended up paying to soundproof my bedroom ceiling and party wall.

From New York Times