HMRC Admin 20 Response

Hi Rainbow Langdale-smith,

If you contact our helpline we will be able to ensure that your tax codes are updated correctly
Income Tax: general enquiries

Thank you.

Hi Barry Croucher,

No.  
Your inheritance is not classed as income and is not taxable.  
Any interest or dividends arising from your inheritance would be taxable and would need to be declared.

Thank you.