What to do before the tax year ends: your April 5th checklist for ISAs, pensions and more
Written by Boring Money
18 Feb, 2026
The tax year ends on April 5th. After that, unused allowances are gone for good — and with a raft of tax changes landing in 2026/27, this year matters more than most.
Here's a taste of what's inside:
- Every basic rate taxpayer who puts £80 into a pension sees it become £100 — instantly. Higher rate taxpayers do even better. With income tax thresholds frozen until 2031, this is one of the most valuable moves you can make right now.
- If you earn between £100,000 and £125,140, you're effectively paying 60% tax. A pension contribution can pull your income below that threshold — and save you thousands.
✅ The full checklist has 12 actionable steps — from topping up your ISA to gifting rules that reduce your Inheritance Tax bill.
Read the full checklist free — takes less than 1 minute to register
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