Sunan an-Nasa'i 1800
سنن النسائي#1800SahihIt was narrated that Umm Habibah bint Abi Sufyan said:"Whoever prays twelve rak'ahs in a day and prays before Zuhr, Allah (SWT) will build for him a house in Paradise
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih Lighairihi
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 20:203