NICs shortfall rates - paying years 2019-2020 to 2024-2025 later on

maullwurff

Hi everyone,
I got the letter from HMRC (after sending in CF83). This gives me 31 days to pay the years 2006-2007 to 2018-2019 (inclusive).

For the years 2019-2020 to 2024-2025 I can pay later but the sum to pay (rate) would be subject to a penalty (e.g. the rate for 2020-2021 would be 795.60 if I pay in the next 31 days but will be more after this). 
Does anyone know how much more (approx.) these years would cost if I don't pay them now? (in HMRC terms, what the penalty would be).

Thanks for any advice

QrizB

It's not a penalty exactly; it'll just be the current rate rather than the rate that was frozen during the extension to the deadline.

I think it's about £923 for a full year now (£17.75 a week for 52 weeks).

There's a thread here that might help:

https://forums.moneysavingexpert.com/discussion/6596509/is-the-cost-of-filling-class-3-ni-gaps-voluntarily-expected-to-rise-on-6-april-2025

molerat

Once beyond the 31 days

19-20 to 22-23 are currently at the 25-26 price of £923.

(So £780, £795.60, £800.80 & £824.20 all to £923)

23-24 and 24-25 are at their original in year price of £907.40

19-20 ceases to be available from 6 April 2026

20-21 to 23-24 will increase to £923 + Sept CPI from 6 April 2026

maullwurff

Thanks to QrizB and molerat for the detailed replies