When a house becomes a mosque in the Sharʿi sense

Question

In a village of ours, prayer used to be performed in a house that had been given the name of a mosque. Now, thirty-five gaz (a unit of length, about a yard, ≈ 0.9 m) away from this house, Zayd has given his vacant plot for a mosque, and a mosque has been built on it, in which prayer is being performed. Now Zayd, in exchange for his vacant plot which he has already given for the new mosque, wants to keep the former one (which was named a mosque and used for prayer, and is now of no use)

Answer

If this house was made a waqf and, with his proprietary possession relinquished, declared a mosque for ever — such that the adhan and congregational prayer were held in it, whoever wished came there at any time and prayed, without any hindrance, and this person did not live in it nor were his belongings kept there — then that house is a mosque in the Sharʿi sense, and there no…

Source: Fatawa Mahmudiyya

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