Building a New Mosque That Would Harm the Old Mosque

Question

A certain man made his unused land a waqf for the construction of a mosque, and some members of his family, on their own account, bought bricks and made the bricks a waqf for building an enclosure wall around the endowed land; however, construction of the mosque has not yet begun. There is a strong likelihood that the construction of this new mosque will cause harm to the old mosque of the neighbourhood in the following way: (1) Almost all the members of the waqif’s (endower’s)

Answer

If there is already a mosque there and it is sufficient for the worshippers, then building a second mosque without need is not wise: through it the worshippers of the first mosque will be divided and become fewer, the construction expenses will be separate, then expenses will be required to keep it populated with worshippers, and keeping both the old and the new mosques fully…

Source: Fatawa Mahmudiyya

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