Mufti Ebrahim Desai asserts that it is not permissible for a woman to leave her home, "except in dire need":

Religious Authority: 
Ebrahim Desai
Fatwa Question or Essay Title: 
Mufti Ebrahim Desai asserts that it is not permissible for a woman to leave her home, "except in dire need":

It is not permissible for a woman to leave her home except in dire need and necessity. The only exclusion to work is for that woman who has no relatives to support her and she is forced to seek a livelihood that is sufficient for her to live upon.

[Note: For other opinions on this topic, search: Women's Mobility.]