What percentage of your gross income should go towards rent?

No more than a third of your gross annual income should go towards housing. As for rent, you should not spent anymore than 25% of your gross income. Housing - This expense should include mortgage, insurance, gas, electricity, maintenance, and phone. (according to crown.org budget guide) Rent or your monthly mortgage payment plus each of the above should never exceed 36%. 1/3 is generally a good rule just as with the 1st answer, but don' t forget that the number includes the other housing expenses.