semi-detached house

Plural

semi-detached houses

a type of residential house that is joined to another house by a shared wall

They lived in a semi-detached house with a small garden at the back.
The semi-detached house had a shared wall but plenty of privacy.
He bought a semi-detached house because it was more affordable than a detached one.
They shared a fence with their neighbors in the semi-detached house.
The garden in the semi-detached house was separated by a low hedge from the neighbor's yard.