If I take out an immediate needs annuity, can I cancel it and get money back?
Only if you cancel within the Statutory Right to Change Your Mind period (30 days).
After this you will not be able to cancel the plan nor receive any money back.
What happens if I buy an annuity to fund my mother’s care and she later receives NHS Continuing Healthcare?
Once purchased an immediate needs annuity cannot be cashed in or surrendered but the income does continue for the rest of the insured life so