Hi Chardie
Welcome to the forum, you might want to have a look at the following FAQ which explains where everything is.
Welcome to Benefits and Work .
You need to seek advice from your local welfare rights worker who can take all your circumstances into consideration to give you accurate advice, you can no longer claim ESA which is a legacy benefit but you maybe able to claim New Style ESA Providing you;
- paid Class 1 or Class 2 Contributions before the relevant benefit week in respect of any one Tax Year
and
- were receiving Carers Allowance throughout the Tax Year 2018-19 then Regulation 9(2)(a) of The Employment and Support Allowance Regulations 2013.
www.legislation.gov.uk/uksi/2013/379/regulation/9/made Then the first Contribution Condition is met and you will only need Class 2 Contributions from your CA in the two Tax Years 2017-18 and 2018-19.
Gary