Tax Codes & Allowances
Understanding your tax code, personal allowance taper, marriage allowance, and blind person's allowance.
HMRC Time to Pay Arrangement: How to Set Up a Self Assessment Payment Plan in 2026
Step-by-step guide to setting up an HMRC Time to Pay arrangement on Self Assessment debt under £30,000 — online self-service, interest, and what triggers a phone call instead.
P11D Deadline 2026: Filing, Class 1A NIC Payment & Late Penalties
P11D and P11D(b) are due 6 July 2026 for the 2025-26 tax year. Class 1A NIC payment by 22 July. Miss the deadline and HMRC charges £100 per 50 employees per month. Full penalty rules and action checklist.
Non-Dom Regime Abolished: The 4-Year FIG Regime, TRF, and Who Is Affected from April 2025
The UK non-dom remittance basis ended on 6 April 2025. What replaces it: the 4-year FIG regime for new arrivals, the Temporary Repatriation Facility at 12%, IHT switching to residence-based rules, and transition planning for former remittance-basis users.
Payment on Account 31 July 2026: How to Reduce Your POA Before HMRC Collects
Your second payment on account for 2025-26 is due 31 July 2026. How to check if you can reduce it — and the SA303 claim process — plus the interest charge on over-reductions, who typically benefits from a reduction, and avoiding unnecessary refunds.
Fake HMRC Refund Messages 2026: How to Spot a Tax Scam
How to tell a real HMRC refund message from a scam in 2026 — the signals, what HMRC will and won't do, and how to verify your real refund.
Frozen Tax Thresholds and Fiscal Drag 2026-27 — How the UK's Stealth Tax Works
UK income tax thresholds are frozen through April 2028. By tax year 2026-27 the freeze has been in place for five years. Here is how fiscal drag works, who is most affected in 2026-27, and the legal levers to reduce its impact.
Payments on Account Explained — Who Pays, How HMRC Calculates the 50/50 Split (2025-26)
HMRC requires Payments on Account (POAs) when your Self Assessment bill exceeds £1,000 and less than 80% is collected at source. Learn the trigger rules, 50/50 calculation, July 31 and January 31 deadlines, and how PAYE / CIS / dividend income each affect whether you pay POAs at all.
Payment on Account vs Balancing Payment — Why the January 31 Bill Is Bigger (HMRC SA)
The January 31 Self Assessment payment bundles the prior-year balancing payment plus the first POA for the current year — often 150% of last year's tax. Side-by-side worked examples for rising income, falling income, and first-year-POA shock, with the exact 50/50 + balance maths.
Starting a New Job in the UK — P45, Starter Checklist, Emergency Tax Code, and NI Continuity (2025-26)
Hand the new employer your P45 within 30 days or fill in the HMRC Starter Checklist. The wrong checklist tick triggers an emergency tax code (1257L W1/M1) that over-withholds for months. Student loan plan, NI continuity, and workplace pension auto-enrolment carry-over.
HMRC Personal Tax Account (PTA) 2025-26 & 2026-27 — What You Can Do Online (HMRC)
Full 2025-26 and 2026-27 guide to the HMRC Personal Tax Account at gov.uk/personal-tax-account: registration via Government Gateway or GOV.UK One Login, checking your tax code and state pension forecast, fixing common verification errors, and the services available inside.
Payment on Account 31 July 2026 — Reduce Your POA Claim Before HMRC Collects (HMRC SA)
Your second payment on account for 2025-26 is due 31 July 2026. Learn when and how to reduce a POA via SA303 or the HMRC online account, the interest risk of reducing too far, and a worked example showing when a reduction is the right call.
2025-26 Tax Year: Key Changes You Need to Know
A comprehensive summary of all major UK tax changes for 2025-26, including frozen thresholds, employer NI increases, dividend and CGT allowance cuts, and stamp duty changes for first-time buyers.
How UK Income Tax Bands Work: Marginal vs Effective Rates
Understand how the UK's income tax bands work in 2025-26, the difference between marginal and effective rates, and a worked example at £35,000.
The £100,000–£125,140 Personal Allowance Trap: How to Escape the 60% Tax Rate
Earning between £100,000 and £125,140 creates an effective 60% income tax rate as your Personal Allowance is clawed back. Pension contributions, salary sacrifice, and Gift Aid donations can legally reduce your income and restore the allowance.
Scotland vs Rest of UK Tax 2026/27 & 2025/26 — How Much More Do Scottish Taxpayers Pay?
Scotland's six-band income tax system differs significantly from the three-band rUK system. 2026-27 Scottish Starter and Basic bands uplifted (gross £16,537 / £29,526); other bands frozen. Worked examples at £30,000, £50,000, and £100,000 plus the NI-identical-UK-wide note.
Should You Repay Your Student Loan Early? Plan 2, Plan 5, and When It Makes Sense
Student loans in the UK are not like commercial debt — they write off after 30–40 years and repayments are income-contingent. For most borrowers, voluntary early repayment is a poor financial decision. Here's the analysis.
Should You Claim Marriage Allowance? Eligibility, Savings, and When Not to Bother
Marriage Allowance can save a couple £252 a year in income tax — but only if you meet the eligibility criteria. Find out who qualifies, how to claim, when it's not worth it, and how to backdate up to four years.
Student Loan Repayment Thresholds Explained (2025-26)
All UK student loan plan thresholds for 2025-26, repayment rates, when loans are written off, and how multiple plans interact.
Blind Person's Allowance: An Extra Tax-Free Amount
How the Blind Person's Allowance works in the UK, who qualifies, how to claim it, and how it can be transferred to a spouse or civil partner.
CIS Explained: Deductions, Registration & Reclaiming Tax
How the Construction Industry Scheme works: 20% or 30% deduction rates, how to register as a subcontractor, and how to reclaim CIS tax overpayments from HMRC.
UK Crypto Tax 2025-26 & 2026-27 — CGT on Bitcoin, Staking Income (HMRC)
HMRC crypto tax rules for 2025-26 and 2026-27: 18%/24% Capital Gains Tax on disposals, income tax on mining/staking/airdrops, Section 104 pooling, and Self Assessment reporting.
Gift Aid and Charitable Donations: How to Give Tax-Efficiently
How Gift Aid works in the UK, how charities and donors both benefit, and how higher-rate taxpayers can claim extra relief on their donations.
HICBC 2025-26 & 2026-27 — High Income Child Benefit Charge £60k–£80k (HMRC)
HMRC High Income Child Benefit Charge for 2025-26 and 2026-27: 1% of Child Benefit clawed back per £200 of income between £60,000 and £80,000. Who pays, how to opt out, and when to keep claiming.
UK Marriage Allowance 2025-26 & 2026-27 — Transfer £1,260, Save £252 (HMRC)
HMRC Marriage Allowance for 2025-26 and 2026-27: transfer £1,260 of your Personal Allowance to your partner to save up to £252. Eligibility rules, how to claim, and when it doesn't work.
Making Tax Digital (MTD): What You Need to Know
An overview of HMRC's Making Tax Digital programme, covering MTD for VAT, Income Tax Self Assessment, and what businesses need to do to comply.
UK 60% Tax Trap £100k–£125,140 — Personal Allowance Taper 2025-26 (HMRC)
HMRC Personal Allowance taper for 2025-26 and 2026-27: earn £100k–£125,140 and you lose £1 of PA per £2 of extra income, creating a 60% effective marginal rate. Exact numbers and escape routes.
UK Self-Employment Tax 2025-26 & 2026-27 — Class 2 & Class 4 NI (HMRC)
HMRC self-employment tax for 2025-26 and 2026-27: Class 2 voluntary £3.50/week, Class 4 at 6% (£12,570–£50,270) and 2% above, plus income tax. Payments on account and registration.
Scottish Income Tax vs Rest of UK 2026/27 & 2025/26 — What's Different?
Scotland has its own income tax rates and bands set by the Scottish Parliament. 2026-27 Scottish Starter and Basic thresholds uplifted (gross £16,537 / £29,526); other bands frozen. This guide explains what's different, who pays Scottish rates, and how to calculate your liability.
Self Assessment Tax Return: Who Needs to File and How
A practical guide to the UK Self Assessment tax return system, covering who must file, key deadlines, and how to submit your return to HMRC.
State Pension and Tax: Is Your State Pension Taxable?
How the UK State Pension is taxed, why you might owe tax on it, and how HMRC collects the tax through your tax code or Self Assessment.
Student Loan Repayment Plans Compared: Plan 1, 2, 4, 5, and Postgraduate
The UK has five different student loan repayment plans with different thresholds, rates, and write-off periods. Here's how to tell which plan you're on and what you'll actually pay.
Take-Home Pay UK: What Deductions to Expect From Your Salary
Your gross salary and your take-home pay can look very different. This guide explains every deduction you might see on a UK payslip — income tax, National Insurance, pension, and more.
UK Tax Codes Explained 2026-27: What Your HMRC Code Means
HMRC tax codes for 2026-27 in plain English: decode 1257L, BR, D0, D1, NT, 0T, K codes, W1/M1 emergency, S-prefix Scottish and C-prefix Welsh. How to check your code and fix it if wrong.
Tax-Free Childcare: Get £2,000/Year per Child from the Government
The government tops up your childcare costs by 20% — up to £2,000 per child per year. See if you're eligible, how to apply, and how it compares to 30 free hours.
Understanding UK Income Tax Bands
A clear guide to how the UK's progressive income tax system works, covering the Personal Allowance, Basic Rate, Higher Rate, and Additional Rate bands for England, Wales, and Northern Ireland.