The average plumber salary UK workers earn is around £35,000 a year when employed — roughly £17 an hour. But that figure barely tells half the story. In plumbing, the single biggest factor in how much you earn isn’t your experience or your region — it’s whether you work for someone else or work for yourself.
Plumber Salary UK: Employed vs Self-Employed
An employed plumber on a company payroll typically earns £29,000–£40,000 depending on experience. Going self-employed changes everything. A consistently busy sole trader doing domestic work can bring in £45,000–£70,000 a year, and well-established business owners report £60,000–£85,000+. Day rates of £250–£350 and call-out fees of £60–£120 add up fast.
That’s a gap of £30,000 or more for doing the same hands-on work — simply by taking on the risk and admin of running your own business. It’s the clearest “be your own boss” payoff of any UK trade.
The Gas Safe boost
The biggest single upgrade a plumber can make is becoming a Gas Safe registered engineer. This lets you legally work on boilers, central heating, and gas appliances — a far more lucrative market. Boiler installations alone run £1,500–£3,500+ per job, and full central heating systems £4,000–£8,000. Gas Safe plumbers and heating engineers consistently earn at the top of all trade income ranges (£48,000–£62,000+), with heat-pump specialists earning even more as the UK pushes toward greener heating.
Plumber salary by experience
Like all trades, plumbing pays you to learn rather than charging you for it:
- Apprentice — around £16,500–£21,000 a year. You earn while you train, with no university debt.
- Newly qualified — around £29,000, working independently for the first time.
- Experienced (5+ years) — £38,000–£48,000 employed, more with specialisms.
- Self-employed / business owner — £45,000–£85,000+, the top of the trade.
Plumber Salary UK by Region
Location has a clear effect on the plumber salary UK average. London and the South East pay roughly 15–20% above the national average, driven by high demand and the cost of living:
| Region | Average salary | Per hour |
|---|---|---|
| London | £41,000 | £19.71 |
| South East | £38,000 | £18.27 |
| East of England | £35,000 | £16.83 |
| Scotland | £33,000 | £15.87 |
| Midlands | £32,000 | £15.38 |
| North West | £31,000 | £14.90 |
| Wales | £30,000 | £14.42 |
| North East | £29,500 | £14.18 |
That said, higher London rates are partly absorbed by higher costs — so a plumber in the North or Midlands can enjoy similar real purchasing power despite a lower headline wage.
Is becoming a plumber worth it?
For a debt-free route to a strong income, plumbing is one of the best bets in the UK. Demand is evergreen — every building needs plumbing — the work can’t be outsourced or automated, and there’s a clear path from apprentice to a £70,000+ self-employed business. Surveys have even named plumbers among the happiest workers in Britain. The trade-offs are physically demanding work, emergency call-outs, and the admin that comes with going solo.
It’s also a career that ages well: experienced plumbers are in short supply across the UK, so demand and rates tend to rise rather than fall over time. And because the skills are practical and universal, a qualified plumber can work almost anywhere in the country — or build a business that eventually employs others.
Frequently asked questions
How much do plumbers make an hour in the UK?
Employed plumbers earn around £14–£18 an hour, while self-employed plumbers typically charge customers £45–£75 an hour to cover tools, insurance, travel, and business costs.
Do self-employed plumbers earn more?
Yes, significantly. A busy self-employed plumber earns £45,000–£70,000+ versus roughly £35,000 for an employed plumber — a gap of £30,000 or more.
What’s the highest-paying region for plumbers in the UK?
London leads at around £41,000 for employed plumbers, followed by the South East, though higher living costs offset some of that premium.
Want the bigger picture? See our full breakdown of the average salary in the UK, or check official guidance at the National Careers Service.
Comparing trades across countries? See how much an electrician earns in the USA.