A masjid is the center of any Muslim community. It provides much more than a place of worship as many offer education and is a base from which essential community services are delivered.
The Prophet (peace be upon him) said:
‘Whosoever builds a house (masjid) for the pleasure of Allah, whether it be small or large, Allah builds for him a house in Paradise.’ [Tirmidhi]
One Nation is constructing masjids in Syria for £8.000
It is an excellent form of Sadaqah Jariyah as the donor can expect to receive rewards as long as people worship there.