Common-law partner
You will have to provide documents that prove that you and your common-law partner have combined your affairs and have set up your household together in one home. This could include:
joint bank accounts or credit cards;
joint ownership of a home;
joint residential leases;
joint rental receipts;
joint utilities (electricity, gas, telephone);
joint management of household expenses;
proof of joint purchases, especially for household items; or
correspondence addressed to either person or both people at the same address