Boiler servicing and landlord safety checks

Build a steady round of annual boiler services and landlord gas safety checks, fitted around other work.

Startup cost£1.5k to £5k
Monthly revenue£800 to £3.5k
Time needed8+ h/week
First incomeWeeks
  • £1.5k-5k
  • Side hustle
  • Out and about
  • Licence or permit needed

Estimates for a small start in the UK, not guarantees.

What it is

A lighter version of the trade focused on annual boiler services, landlord gas safety checks and small repairs. You book visits in blocks and can run it alongside a job or as a first step to full-time.

Your first three steps

  1. Confirm your gas qualifications are current and register with Gas Safe, then sort a flue gas analyser and calibration
  2. Set a fixed price for services and landlord checks after comparing local rates
  3. Contact local letting agents and landlords to offer reminder-based annual servicing
Who pays

Landlords, letting agents and homeowners who want their boiler serviced every year.

How it makes money

A fixed price per service or safety check, with extra for repairs and parts. Landlords with several properties and agents give regular repeat work.

Skills that help
  • Gas safety qualifications
  • Accurate record keeping and certificates
  • Reliable timekeeping
  • Explaining findings clearly to customers
Watch out for
  • Legally, you must be on the Gas Safe Register to carry out gas work in Great Britain; check the rules for Northern Ireland
  • Landlord certificates have legal requirements for landlords, so keep accurate records and check the current rules
  • Public liability insurance and, if needed, cover for certificates and advice given
  • Training costs are not included in the startup estimate
  • Check your employment contract if you work alongside another job
  • You may find unsafe appliances, so know the correct process for reporting and making them safe

Deep research report · UK

Everything you need to start: boiler servicing and landlord safety checks

Researched with live web search for United Kingdom: real startup prices, the licences and rules, what others charge, a break-even example, how to find your first customers and a 30-day launch plan. With sources.

  • Startup costs with real prices
  • Licences, registration and rules
  • Pricing: what others charge
  • Break-even example
  • Finding your first customers
  • 30-day launch plan
  • Risks and how to reduce them
Ready in about 2 minutes · one-off payment, tax included

See a full sample report

Questions people ask

How much does it cost to start a boiler servicing round?

Startup costs are typically around £1,500 to £5,000, depending on your equipment and insurance. Training costs are not included in that estimate, so add them to your own budget.

How much can I earn from boiler servicing and landlord checks?

Monthly revenue is typically around £800 to £3,500, depending on how many services and landlord checks you book in. Estimates start from about 8 hours a week, so it can run alongside another job.

What rules should I check before offering landlord gas safety checks?

Check that you must be on the Gas Safe Register to carry out gas work in Great Britain, and check the rules for Northern Ireland. Also check current landlord certificate requirements, keep accurate records, and know how to report unsafe appliances.

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