بسم الله الرحمن الرحيم
(Fatwa: 854/948/L=08/1437)
If there is practice of purdah in the home of her husband as well as there is no other fear in living there then the wife may live in the house of her husband in his absence as well.
Allah knows Best!
Darul Ifta,
Darul Uloom Deoband
