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24 Hour Boiler Repairs
86-90 Paul Street
London
EC2A 4NE

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Landlord CP12 London

Landlord Gas Safety Certificate (CP12) London

Book a landlord gas safety check in London

Gas Safe registered engineers · 24/7 call handling · London wide

We carry out landlord gas safety checks in London and issue the Landlord Gas Safety Record after inspection, with clear reporting and flexible booking options.

Need a CP12 gas safety certificate in London for a rental property? Call with the property postcode and appliance count and we will confirm availability.

If you have an active breakdown with no heating or hot water, see Emergency Boiler Repairs.

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Two details to start. Tell us the property postcode and how many gas appliances are present.

If we identify an issue that needs repair, we explain the problem clearly and confirm a quote before any work proceeds.

We use your details only to respond to your enquiry. See our privacy policy.

What is a landlord gas safety certificate (CP12)

A CP12 is the common name people use for a landlord gas safety certificate. It is issued after a Gas Safe registered engineer inspects relevant gas appliances and associated flues in a rental property and records the results on the Landlord Gas Safety Record.

The purpose is to confirm gas appliances and flues have been checked and to record any action required. If issues are found, we explain what is needed and provide clear next steps.

Validity: A landlord gas safety record is typically valid for 12 months, and landlords must provide a copy to existing tenants within 28 days and to new tenants before they move in.

Key takeaways

  • CP12 is the common term for a landlord gas safety certificate.
  • Checks are carried out by a Gas Safe registered engineer.
  • You receive a Landlord Gas Safety Record after inspection.
  • If faults are found, we explain options and confirm costs before any repair work.

Who needs a CP12 in London

This service is for landlords, letting agents, and property managers who need gas safety checks for rented homes across London. If you manage multiple properties, we can arrange bookings in a way that reduces admin and disruption.

This covers private rentals and HMOs where gas appliances are present. If you are unsure what applies, call and we will confirm the right check for the property.

What’s included in our landlord gas safety inspection

We keep the process clear and practical. The engineer will inspect relevant gas appliances and associated flues at the property and record the outcome. You will receive the Landlord Gas Safety Record after the visit.

  • Appliance condition and basic safety inspection
  • Flue and ventilation checks where applicable
  • Gas tightness and safety related observations as required
  • Operating checks to confirm appliances function correctly
  • Visual checks for unsafe installation, damage, or signs of spillage
  • Safety classification recorded, for example advisory versus unsafe, with next steps explained
  • Clear report with any advisories or remedial actions recorded
Note: A CP12 covers gas appliances and flues we can access at the property. It does not include general plumbing work or non-gas electrics.

How to book a CP12

  1. Call or request a call back

    With the property postcode and appliance count.

  2. We confirm availability

    And book a time that suits your tenant schedule.

  3. Engineer attends

    Completes the checks and records the results.

  4. Record issued

    The Landlord Gas Safety Record is issued after the inspection.

Record turnaround: In most cases we issue the Landlord Gas Safety Record promptly after the inspection.

What we need from you

To confirm the right appointment and avoid delays, please have the details below ready:

Property postcodeand access notes
How many gas appliancesare at the property
Appliance typesboiler, gas hob, gas fire
Preferred appointment window
Contact detailsletting agent or landlord

Appliances we can inspect

We can inspect common gas appliances found in London rentals, such as gas boilers, gas cookers and hobs, and gas fires, plus associated flues where accessible. If you are unsure what is included at your property, call us with the appliance list and we will advise.

If your boiler also needs maintenance, see Boiler Servicing London.

Areas we cover

We provide landlord gas safety checks and CP12 certificates across London and surrounding areas. If you searched “CP12 near me”, call with your postcode and we will confirm availability.

See coverage: London areas we cover.

CP12 FAQs

What is a CP12 gas safety certificate?

CP12 is the common name for a landlord gas safety certificate. It is issued after a Gas Safe registered engineer inspects the relevant gas appliances and associated flues in a rental property and records the results on the Landlord Gas Safety Record.

How much does a CP12 cost in London?

The cost depends on how many gas appliances are at the property and where it is. Tell us the postcode and appliance count when you call and we will confirm a price before booking.

How long is a CP12 valid for?

A landlord gas safety record is typically valid for 12 months from the date of the check.

Do tenants need a copy of the CP12?

Yes. Landlords must provide a copy to existing tenants within 28 days of the check, and to new tenants before they move in.

What happens if an appliance is classed as unsafe?

The engineer records the safety classification and explains what it means and what needs to happen next. If a repair is needed, we explain the problem and confirm a quote before any work proceeds.

Can you carry out CP12 inspections for letting agents and portfolios?

Yes. If you manage multiple properties we can arrange bookings in a way that reduces admin and disruption. Call with the property list and we will work out the most practical schedule.

Do you issue the certificate after the inspection?

Yes. In most cases we issue the Landlord Gas Safety Record promptly after the inspection.

Can you also repair boilers if a fault is found?

Yes. If the inspection identifies a fault, we explain the problem clearly and confirm a quote before any repair work proceeds.

Book a CP12 in London

Call now or request a call back with the property postcode and appliance count.

Gas Safe registered engineers · Landlord Gas Safety Records · London wide
24 Hour Boiler Repairs, 86-90 Paul Street, London EC2A 4NE



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Good value for money & was able to sort out my boiler quickly by ordering next day delivery for broken parts. Friendly, punctual service and laid out all the costs beforehand which was helpful. Would recommend.

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Really impressed with the boiler repair service. Clear communication from the start and no surprises with pricing. The engineer was friendly, knowledgeable and got everything sorted efficiently.

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Booked them in for a power flush after ongoing heating issues. The engineer was very thorough and explained what was being done at each stage. We noticed a huge difference in how quickly the radiators now heat up.

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