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Boiler servicing is often misunderstood, especially by landlords trying to manage multiple properties in London. Unfortunately, falling for boiler servicing myths can lead to costly repairs, inefficient systems, and even legal risks. As energy prices continue to rise and tenants demand safe, well-maintained homes, understanding the truth behind these misconceptions is crucial.
In this guide, we’ll uncover common boiler servicing myths and share practical boiler efficiency tips to help London landlords avoid unexpected costs and maintain legal compliance.
Many landlords wrongly assume that boiler servicing is only necessary when there’s a visible issue. However, waiting until a boiler breaks down can result in major expenses.
Annual servicing by a Gas Safe registered engineer helps identify minor issues before they become costly emergencies. It also ensures your boiler remains energy-efficient and legally compliant.
Boiler efficiency tip: Schedule your service during summer when demand is lower. This avoids winter breakdowns and potential delays in getting a technician.
Another dangerous myth is that any heating engineer can service a boiler. In the UK — and especially in London — only engineers registered with the Gas Safe Register are legally permitted to carry out boiler inspections and repairs.
Landlords who hire unqualified individuals risk invalidating their insurance and violating legal responsibilities under the Gas Safety (Installation and Use) Regulations 1998.
Boiler servicing myths busted: Always check the engineer’s Gas Safe ID and registration number before work begins.
Many London landlords believe that if they’ve recently installed a new boiler, it doesn’t need servicing for years. This is false — and can void the manufacturer’s warranty.
Most warranties require annual boiler servicing to remain valid. Skipping it could leave you footing the bill for any repairs. Regular maintenance also ensures the boiler continues to operate at peak efficiency.
Boiler efficiency tip: Keep a digital log of annual service dates for each rental property to stay on top of maintenance requirements.
Some landlords skip servicing to save money in the short term. But ignoring annual checks can lead to bigger problems — like emergency repairs, legal fines, or tenant complaints.
Boiler servicing costs in London typically range from £80 to £120. Compare that to the average cost of emergency boiler repairs, which can reach £500 or more.
Boiler efficiency tip: Preventative maintenance can extend the lifespan of your boiler by up to 5 years.
By law, landlords must have all gas appliances in rental properties checked annually by a qualified engineer. This includes the boiler, gas hob, and any other gas installations.
Failing to obtain a valid Gas Safety Certificate (CP12) can result in heavy penalties, including fines of up to £6,000 and even imprisonment.
Boiler servicing myths busted: Boiler checks are not optional for landlords — they’re a legal obligation.
Regular boiler servicing helps:
• Maintain fuel efficiency, reducing heating costs for tenants
• Identify sediment buildup or blockages that affect performance
• Reduce CO2 emissions, making your rental property greener
• Keep the heating system responsive, especially in cold London winters
Ignoring routine maintenance is one of the most dangerous boiler servicing myths landlords believe. In reality, consistent checks are essential for maintaining a safe and efficient heating system. Applying boiler efficiency tips, like regular filter cleaning and checking for limescale, can also extend your boiler’s life and reduce long-term costs.
Landlords in areas with older housing stock should be even more vigilant. Many properties in London have outdated systems that require regular inspection to remain safe and efficient. Don’t fall for boiler servicing myths that downplay the importance of annual servicing.
Even between servicing, be on the lookout for signs of a failing boiler:
• Uneven heating or cold radiators
• Strange noises like banging or gurgling
• Low pressure on the boiler gauge
• Leaks or dripping pipes
• Persistent pilot light problems
Believing the boiler servicing myth that “no news is good news” can lead to major repair bills. Just because your boiler appears to be working doesn’t mean it’s operating efficiently. Stay alert for these warning signs and respond quickly — it’s one of the most valuable boiler efficiency tips a London landlord can follow.
Here’s a quick overview of what landlords must do to stay compliant and avoid unnecessary costs:
✅ Schedule annual boiler servicing
✅ Use Gas Safe registered engineers only
✅ Keep valid CP12 Gas Safety Certificates
✅ Provide tenants with a copy within 28 days
✅ Maintain all heating systems in safe working condition
Falling for common boiler servicing myths can leave landlords exposed to legal and financial risks. Staying informed and following smart boiler efficiency tips not only protects your investment, but also ensures tenants enjoy a comfortable, warm home throughout the year.
To maximise boiler lifespan and energy savings:
• Bleed radiators once a year
• Insulate exposed pipes to prevent freezing
• Install a magnetic filter to trap debris
• Encourage tenants to report heating issues early
• Upgrade to a condensing boiler if your system is over 15 years old
These practical boiler efficiency tips help improve performance and lower utility costs — especially important in high-demand markets like London. Don’t believe the boiler servicing myth that modern systems don’t need attention. Even new boilers benefit from proactive care to ensure they run at peak efficiency.
As a landlord in London, understanding your responsibilities and the importance of boiler servicing is essential. Don’t fall for common myths that downplay its value. By keeping up with annual checks, hiring certified engineers, and maintaining efficient systems, you’ll save money, stay compliant, and keep your tenants warm and safe all year round.
