Your first set of accounts are due at Companies House 21 months after the date of incorporation.
Subsequent accounts are due 9 months after the company year end.
Companies House late filing penalties are as follows:
|Time after your deadline||Penalty|
|Up to 1 month||£150|
|1 to 3 months||£375|
|3 to 6 months||£750|
|More than 6 months||£1,500|