When 'Uthman b. 'Affan intended to build the mosque (of the Prophet) the people did not approve of it. They liked that it should be kept in the same state. Thereupon he said: I heard the Messenger of Allah ﷺ say: He who built a mosque for Allah, Allah would build a house for him like it in Paradise.
سَمِعْتُ رَسُولَ اللَّهِ ﷺ يَقُولُ مَنْ بَنَى مَسْجِدًا لِلَّهِ بَنَى اللَّهُ لَهُ فِي الْجَنَّةِ مِثْلَهُ
"Whoever builds a Masjid in which Allah is remembered, Allah, (the Mighty and Sublime) will build for him a house in Paradise."
أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ مَنْ بَنَى مَسْجِدًا يُذْكَرُ اللَّهُ فِيهِ بَنَى اللَّهُ ﷻ لَهُ بَيْتًا فِي الْجَنَّةِ
"I heard the Messenger of Allah say: 'Whoever builds a mosque in which the Name of Allah is mentioned, Allah will build a house for him in Paradise.'"
سَمِعْتُ رَسُولَ اللَّهِ ﷺ يَقُولُ مَنْ بَنَى مَسْجِدًا يُذْكَرُ فِيهِ اسْمُ اللَّهِ بَنَى اللَّهُ لَهُ بَيْتًا فِي الْجَنَّةِ
"The Messenger of Allah said: 'Whoever builds a mosque for the sake of Allah (from his own wealth), Allah will build a house for him in Paradise.'"
قَالَ رَسُولُ اللَّهِ ﷺ مَنْ بَنَى لِلَّهِ مَسْجِدًا مِنْ مَالِهِ بَنَى اللَّهُ لَهُ بَيْتًا فِي الْجَنَّةِ
I heard the Messenger of Allah( ﷺ) say: ʿWhoever builds a mosque for the sake of Allah, Allah will build for him a house like it in Paradise.ʿ
أَنْ يَبْنِيَ مَسْجِدَ الْمَدِينَةِ فَكَرِهَ النَّاسُ ذَاكَ وَأَحَبُّوا أَنْ يَدَعُوهُ عَلَى هَيْئَتِهِ فَقَالَ عُثْمَانُ سَمِعْتُ رَسُولَ اللهِ ﷺ يَقُولُ مَنْ بَنَى مَسْجِدًا لِلَّهِ بَنَى اللهُ لَهُ بَيْتًا فِي الْجَنَّةِ مِثْلَهُ