Answer:
Noun clause
Explanation:
Noun clause is usually an entire clause which is found in the place of a noun in another clause or phrase. The noun clause can act as a subject or object of a verb or a even as an object of a preposition.
From the above sentence, "...which house has more space" acts as an object of the verb "was". Therefore, it's a noun clause.
It answers the question, "what specific consideration?"
