Summer is the cheapest time for boiler servicing — engineers have more availability and prices drop 10–20%. Book now.
Book Now & SaveA boiler engineer in the UK typically costs £200–£2,500 in 2026. TradeMatch connects homeowners with vetted, insured boiler engineer professionals across 200 UK locations. Post your job free, compare up to 5 quotes, and pay securely through escrow protection.
Boiler installation, repair, servicing and powerflush services. Compare quotes from vetted boiler engineer professionals across the UK. Typical cost: £200–£2,500.

Quick answer
A boiler engineer installs, services and repairs gas, oil and electric boilers under Gas Safe Register rules. UK 2026 prices: from £1,100 for a combi swap, £1,500–£3,500 for a system boiler, £100–£250 for an emergency callout. All gas work is notifiable and must be carried out by a Gas Safe-registered engineer.
| Job | Boiler engineer | Gas engineer | Plumber |
|---|---|---|---|
| New combi/system boiler install | ✅ Recommended | ✅ Allowed | ❌ Not legal |
| Annual gas-boiler service | ✅ Recommended | ✅ Allowed | ❌ Not legal |
| Radiator replacement (no gas work) | ✅ OK | ✅ OK | ✅ Recommended |
| Leaking pipe / cold radiator | ✅ OK | ✅ OK | ✅ Recommended |
| Powerflush | ✅ Recommended | ✅ Allowed | ⚠️ Some |
All gas work in the UK must be carried out by a Gas Safe-registered engineer. Plumbers can legally only handle non-gas-side work.
A boiler engineer provides boiler installation, repair, servicing and powerflush services. Whether you need routine maintenance, emergency repairs, or a major installation project, a qualified boiler engineer has the skills, tools and experience to complete the work safely and to a high standard. On TradeMatch, every boiler engineer is vetted, background-checked, and holds verified public liability insurance — giving you peace of mind that your project is in safe hands.
When hiring a boiler engineer, always verify their qualifications. The following are the key credentials and trade body memberships regulated by Gas Safe Register:
On TradeMatch, we verify all of these credentials before any boiler engineer can quote on jobs.
Every tradesperson is verified against the UK accreditation bodies that matter for the work — before they can quote.

Use this checklist before hiring a boiler engineer to ensure you get quality work at a fair price:
Watch out for these warning signs when getting quotes for boiler engineer work:
TradeMatch eliminates these risks — every boiler engineer is vetted, insured, and payments are escrow-protected.
The best time to service your boiler or heating system is in summer or early autumn, before the heating season starts. Demand peaks in October–January, meaning longer wait times and potentially higher prices. Annual servicing keeps your warranty valid and prevents breakdowns.
Browse vetted boiler engineer professionals across 200 UK cities.
| Job | Low | Average | High |
|---|---|---|---|
| Small job | £80 | £200 | £400 |
| Medium job | £300 | £700 | £1,500 |
| Large job | £1,000 | £2,500 | £5,000 |
| Consultation/survey | £50 | £100 | £250 |
| Emergency callout | £80 | £150 | £300 |
Prices are estimated UK averages for 2026. Actual costs vary by location, materials and scope of work.
Gas and oil boiler fault diagnosis, repair and parts replacement by Gas Safe engineers
£100–£500Old boiler removal and new energy-efficient combi or system boiler installation
£1,500–£4,000Central heating power flush to remove sludge, rust and debris from radiators and pipes
£250–£600Tell us what boiler engineer work you need — it only takes 2 minutes.
Receive up to 3 quotes from vetted boiler engineer professionals near you.
Compare reviews, choose the best quote, and leave a review when the job is done.
Browse questions from homeowners about hiring a boiler engineer, costs, and what to expect.
Side-by-side with the four most-searched UK trade platforms. No subscription fees, up to 5 competing quotes, escrow-protected payments — three things every other platform misses.
| Feature | TradeMatch | Checkatrade | MyBuilder | Bark | Rated People |
|---|---|---|---|---|---|
| Up to 5 quotes | ✓ | Browse | Up to 5 | Varies | Up to 3 |
| Escrow payment protection | ✓ | ✗ | ✗ | ✗ | ✗ |
| No tradesperson subscription | ✓ | £50+/mo | ✓ | Credits | £15+/mo |
| Verified reviews (live) | ✓ | 5-day delay | ✓ | Mixed | ✓ |
| Background + qualification checks | ✓ | ✓ | Light | Basic ID | ✓ |
| Dispute resolution team | ✓ | ✗ | ✗ | ✗ | ✗ |