Good luck - my husband resigned from his firm in February this year as he hadn't had any pay rise, not even cost of living in the FIVE years he'd been there!
Buildersmate is quite right. However, as you are in the notoriously lowly-paid care sector you may be being paid at the minimum wage, which does rise every year. Even if you are not the lowest paid in your organisation, this usually has a knock on effect to other low paid employees. Full details at, including a phone number to ring to blow the whistle on your employer if you need to: http://www.berr.gov.uk/employment/pay/national -minimum-wage/index.html