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UK Tax Tools

Payroll & Employment

Tax on employer benefits and lifecycle pay events: P11D benefits in kind, company car tax (BIK), holiday pay, statutory sick pay, redundancy and PILON.

Income Tax

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.

p11d deadline penalties
Income Tax

P11D vs P11D(b): What's the Difference and Who Files Which?

P11D reports each employee's benefits in kind; P11D(b) declares the employer's total Class 1A NIC liability. Both due 6 July, but only one per PAYE scheme. Plain-English guide for employers.

p11d p11d-b hmrc-forms
General

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.

self-assessment employment P45
General

Holiday Pay Explained: the 12.07% Method and Rolled-Up Holiday Pay in 2025-26

How UK holiday pay is calculated for irregular-hours and part-year workers using the 12.07% method, when rolled-up holiday pay is legal again, and how holiday pay is taxed.

holiday-pay employment payroll
General

Statutory Sick Pay (SSP) Explained for 2025-26

A complete guide to UK Statutory Sick Pay for 2025-26: the £118.75 weekly rate, qualifying conditions, waiting days, how SSP interacts with contractual sick pay, and the 2026-27 reforms that scrap the waiting period.

ssp statutory-sick-pay employment
Income Tax

P11D Benefits in Kind: How Company Perks Are Taxed (2025-26)

Company cars, medical insurance, gym memberships — your employer perks are taxable benefits in kind. See how BIK tax is calculated, common P11D items, and how payrolling changes from April 2026.

p11d benefits-in-kind company-car
Income Tax

Redundancy Pay Tax: What's Tax-Free and What Isn't (2025-26)

The first £30,000 of redundancy pay is tax-free, but PILON and holiday pay are always taxable. See statutory amounts by age, worked examples, and how NI applies.

redundancy employment tax-free-allowance
Income Tax

How Your Bonus Is Really Taxed in the UK (It's Not 40%)

Think your bonus is taxed at 40%? It's not — bonuses are taxed through cumulative PAYE like regular salary. Here's how it actually works and how to keep more.

bonus-tax paye national-insurance
Income Tax

Company Car Tax & BIK Rates 2025/26 (Electric Cars from 2%)

Company car tax is based on the P11D value × BIK rate. Electric cars pay just 2% in 2025/26. See full BIK rates, calculate your tax, and compare fuel types.

company-car benefit-in-kind BIK
Pension

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.

state-pension income-tax retirement
Income Tax

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-codes PAYE income-tax
Income Tax

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.

income-tax tax-bands personal-allowance
Income Tax

Working from Home Tax Relief: Claim £6/Week (£312/Year)

Claim £6/week tax relief for working from home — that's £312/year without receipts. See who's eligible, how to claim via HMRC, and the actual costs method.

working-from-home tax-relief employment-expenses

Related Calculators

Last updated 21 May 2026Tax year 2025-26

Data sources: HMRC (gov.uk/hmrc)

This tool is general information only, not financial advice.

Reviewed by UK Tax Tools Editorial Desk

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