What is a CP12 certificate?
A CP12 certificate, also known as a Gas Safety certificate, is a legal document that private landlords in the UK must obtain every year. It confirms that all gas appliances, flues, and related systems in a rental property have been inspected by a Gas Safe registered engineer and are safe to use.
At Lime Heating, we help Milton Keynes landlords meet this crucial safety obligation with expert checks and digital certification.
Who needs a CP12?
If you’re a private landlord in Milton Keynes (or anywhere in England), the law requires you to:
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Get a CP12 certificate every 12 months for each rental property with a gas supply
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Provide a copy of the certificate to your tenants within 28 days
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Supply a copy to new tenants before move-in
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Retain copies for at least 2 years
What does the CP12 certificate include?
A typical CP12 form will list:
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The address of the property checked
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A description of each gas appliance and flue
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Any issues found and recommended actions
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The date of inspection
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Details of the Gas Safe registered engineer, including registration number and signature
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A clear statement confirming the appliances have passed safety checks
What happens if you don’t have one?
Failing to obtain a valid CP12 certificate could result in:
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Fines of up to £6,000 per property
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Voided landlord insurance policies
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Legal action or imprisonment in serious cases
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Risks to tenant safety from gas leaks or carbon monoxide exposure
Gas safety is not just a box-ticking exercise—it’s a legal responsibility and a moral duty.
What’s involved in a gas safety inspection?
Lime Heating’s Gas Safe engineers carry out thorough inspections across Milton Keynes, including:
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Visual checks of boilers, cookers, fires and flues
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Pressure and tightness testing on all pipework
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Verification of appliance safety devices
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Checking ventilation and combustion
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Highlighting any risks or remedial works needed
You’ll receive a digital copy of your CP12, which can be easily stored or sent to letting agents and tenants.
Why landlords in Milton Keynes trust Lime Heating
With years of experience working with local landlords, agents and housing providers, Lime Heating offers:
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Fast, same-day appointments (where available)
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Fully qualified Gas Safe registered engineers
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Clear, competitive pricing
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Optional boiler service during the same visit
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Automatic reminders before renewal next year
Book your CP12 certificate with Lime Heating
Stay compliant and protect your tenants. Get in touch with Lime Heating’s Gas Safe team today to arrange your CP12 certificate in Milton Keynes.
Call us or request an appointment online — we’ll handle the paperwork so you can focus on managing your property.
