£40,000 with 15 Hours Overtime in Wales | 2025-26
Wales Income Tax (same as England) · Time and a half · £30.77/hr overtime rate · Total gross: £40,462
Overtime tax breakdown — Wales 2025-26
| Item | Base salary | With overtime | OT impact |
|---|---|---|---|
| Gross | £40,000 | £40,462 | +£462 |
| Income Tax (Wales) | −£5,486 | −£5,578 | −£92 |
| National Insurance | −£2,194 | −£2,231 | −£37 |
| Net take-home | £32,320 | £32,653 | +£333 |
Wales vs Scotland: overtime take-home
In Wales, this overtime take-home is £5 more than in Scotland. Scotland's Higher Rate (42%) kicks in at £43,663 vs £50,270 in Wales.
£40,000 salary: how much does overtime pay in Wales after tax?
On a £40,000 salary in Wales, your base hourly rate is £20.51 (based on 37.5 hours/week, 1,950 hours/year). Overtime at time and a half is £30.77 per hour gross.
15 hours of overtime earns £462 gross. After income tax and National Insurance at your marginal rate of 28%, you keep £333 — effective overtime tax rate: 27.9%.
Your total take-home with overtime is £32,653 per year, compared to £32,320 on base salary alone — an extra £28 per month or £6 per week.
Wales taxes overtime as regular income — the same rates as England. National Insurance is the same across the UK. Only Scotland has different income tax rates.
Frequently asked questions
How much overtime pay do I keep in Wales on a £40,000 salary?
On a £40,000 salary in Wales, 15 hours of overtime at time and a half (£30.77/hr) earns £462 gross. After income tax and NI, you keep £333. Tax deducted from overtime: £129 (effective rate: 27.9%).
What is the hourly overtime rate in Wales on £40,000?
Your base hourly rate on £40,000 is £20.51 (based on 1,950 hours per year). Overtime at time and a half is £30.77 per hour gross. After tax at your marginal rate of 28%, each overtime hour nets you approximately £22.
How is overtime taxed in Wales?
Overtime pay in Wales is taxed as regular income — added to your annual salary and taxed at your marginal rate (28% income tax + NI for £40,000). Wales uses the same income tax rates as England: Basic (20%), Higher (40%), and Additional (45%). National Insurance is UK-wide. If overtime pushes you over £50,270, only the portion above the threshold is taxed at the higher rate.
What is my total take-home in Wales with 15 hours overtime on £40,000?
Your base salary take-home in Wales is £32,320 per year. With 15 hours overtime, total gross is £40,462 and total take-home is £32,653 — an extra £333 per year (£28/month or £6/week).
Is overtime taxed differently in Wales vs Scotland?
In Wales, this overtime leaves you with £5 more than in Scotland.
How many overtime hours do I need for an extra £1,000 take-home in Wales on £40,000?
On £40,000 in Wales, each overtime hour nets you approximately £22 after tax. To take home an extra £1,000 net, you would need around 46 hours of overtime (at time and a half).