UK tax refund estimator
Most PAYE employees never claim back what they're entitled to. Higher-rate pension relief alone is worth thousands a year, and Marriage Allowance can be backdated four tax years.
Your details
Your total annual gross pay (before tax and NI)
Total gross contributions you made (workplace + personal)
Most workplace schemes today use 'relief at source'. Salary-sacrifice schemes give full relief automatically and don't need claiming.
HMRC flat rate £6/week, no receipts needed
Annual fees to HMRC-approved bodies (RCN, BMA, GMC, ICAEW etc.)
What you actually paid. Higher-rate taxpayers get extra 20% (or 25%) back.
If you earn under £12,570 and your spouse is a basic-rate taxpayer, you can transfer £1,260 of personal allowance.
Estimated refund
Pension top-up£600
Working from home£48
Professional fees£0
Gift Aid top-up£0
Marriage Allowance£0
Total estimated refund£648.00
HMRC may owe you money
To claim, file a Self Assessment for 2024-25 (deadline 31 Jan 2026) or write to HMRC. We can do it for you.
Backdate 4 years
You can claim refunds going back to 2020-21. Later years close on 5 April each year.
Skip the cowboys
"Tax refund" companies take 25-50% commission. Filing yourself or via TaxMTD is £0 / £4.99 a month.
Estimates only
This calculator is a guide. Final refund depends on your tax code, other income, and HMRC's records.
Claim your refund the easy way
TaxMTD Personal files everything for you. SA100, employment, pension, dividends, rental, crypto, foreign income.