Gas Engineer
Also advertised as: Boiler Engineer, Central Heating Installer, Domestic Gas Engineer, Gas Engineer, Gas Safe Engineer, Heating Engineer
Installs, services and repairs gas boilers, cookers and heating appliances.
What the job involves
Gas engineers keep homes and businesses safely supplied with heating and hot water, fitting new boilers and fixing faults on existing systems. Because gas work carries serious safety risks, every engineer must be registered before working unsupervised. Many build a loyal customer base and move into self-employment once qualified.
Typical responsibilities
- Install and commission gas boilers and appliances
- Service and repair gas heating systems
- Carry out gas safety checks and issue certificates
- Diagnose faults and identify unsafe installations
- Advise customers on heating system options
Common employers
- Heating installation companies
- Housing associations
- Facilities management firms
- Self-employment
- Energy suppliers
Pay, hours and working environment
Typical pay
£24,000 – £30,000 a year
With experience
£35,000 – £48,000 a year
Typical hours
Standard working week, with some callouts for emergencies
Working environment
Customer homes and commercial premises
Remote working
on_site
Demand for this work
high
Pay ranges are indicative guidance drawn from advertised UK vacancies and published careers information. They are not an offer, and actual pay varies by employer, location and experience.
Skills and qualifications
Core skills
- Gas appliance installation
- Fault diagnosis
- Gas safety regulations
- Customer communication
- Record keeping and certification
Transferable skills you may already have
- Practical problem solving
- Working directly with customers
- Following safety procedures
Requirements employers ask for
- Gas appliance installation
- Fault diagnosis
- Gas safety regulations
- Customer communication
- Record keeping and certification
- Level 3 gas engineering qualification and Gas Safe registration before working unsupervised
- Gas Safe registration
Useful but not essential
- Practical problem solving
- Working directly with customers
- Following safety procedures
- Additional qualifications for LPG, commercial or unvented hot water systems
Helpful qualifications
- Additional qualifications for LPG, commercial or unvented hot water systems
Licences and checks
- Gas Safe registration
Ways into this career
A degree is only one route. Where an apprenticeship, work-experience or qualification route exists, it is listed here alongside the academic option.
Apprenticeships and work-based routes
- Gas Engineering Operative (Level 3)
Degree and college routes
- Related subject: Design and technology
- Related subject: Mathematics
Where this career can lead
next
Senior Gas Engineer
next
Self-employed Gas Engineer
next
Heating Systems Manager
The good parts and the hard parts
What people enjoy
- Strong self-employment earning potential
- Consistent demand for heating repairs
- Practical trade with clear qualification route
What people find hard
- Training and registration involve upfront cost
- Emergency callouts can disrupt evenings or weekends
Common questions
- Do you need a degree to become a gas engineer?
- No. As well as degree routes, this career can be entered through an apprenticeship or by building experience and qualifications on the job. not_required
- How much does a gas engineer earn in the UK?
- Typical advertised pay runs from £24,000 to £30,000 a year, rising towards £48,000 with experience. Figures are indicative guidance rather than an offer.
- What skills transfer into this career?
- Skills that transfer well include Practical problem solving, Working directly with customers, Following safety procedures.
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Where this information comes from
- National Careers Service
- Institute for Apprenticeships
Last reviewed 16 September 2026.
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