Claiming SIPP Tax Relief

I'm looking to open my first SIPP account. The previous tax year 23-24 I earned ~£56,000 (38k PAYE, 7k from rental property, 9k contracting and 2k from dividends). I have a pension with my employer which is a defined benefit final salary scheme. The previous tax year I was a 40% tax rate payer. If I open a SIPP today can I claim the additional 20% tax relief from the tax year 23-24 in my self assessment in April 2025? Thanks

Hi,
If you are making the payment now you will be due relief in the 2024 to 2025 tax year and would show this in the tax return that will be issued after 6 April 2025.
Thank you.