Umm Habiba bint Abu Sufyan reported,

I heard the Messenger of Allah ﷺ say, "Whoever prays twelve rakats in a day and a night will have a house built for him in Paradise because of them."

Azami 2419

Sahih

عن أم حبيبة قالت

سمعت رسول الله ﷺ يقول: من صلى اثنتي عشرة ركعة في يوم وليلة بني له بهن بيت في الجنة.

الأعظمي 2419صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Prayer
Chapter
Sunnah prayers and voluntary prayers in general
Section
Maintaining the regular sunnah prayers before and after the obligatory prayers
Numbering
Jami al-Kamil 2419 (2nd edition)
Azami 2419