Gas Safety Certificates in London by BeFix - Your Trusted Heating Professionals London | cost 2025​

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Ensuring the safety of your property and its occupants is paramount. At BeFix, your local London heating professionals, we provide thorough and reliable Gas Safety Certificate services (often referred to as CP12 certificates) to give you complete peace of mind. As a Gas Safe registered company, we are fully qualified to inspect your gas appliances and pipework, ensuring they meet strict safety standards. Whether you are a landlord legally required to hold an annual certificate or a homeowner prioritizing safety, BeFix offers a professional, hassle-free service.


This page explains our Gas Safety Certificate service, why BeFix is the right choice for London properties, and how easy it is to get your certificate arranged.

Why Choose BeFix for Your Gas Safety Certificate?

Trusted by London landlords and homeowners for certified gas safety services that go beyond a basic inspection.

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Gas Safe Registered

Our engineers are fully certified and registered with Gas Safe – your legal assurance of competence and safety.

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Experienced Heating Professionals

We don’t just test. We understand your full heating system – offering expert insight and recommendations where needed.

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Local London Coverage

Based in London, we’re never far away. Fast, friendly, and tailored to the needs of your specific borough or area.

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Customer-First Approach

Expect clear communication, prompt arrival, and a stress-free journey from your booking to the final certificate.

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Honest & Transparent Pricing

No hidden fees or confusing small print. What we quote is what you pay.

Areas We Serve in London

We cover every corner of London, including:

North London

South London

East London

West London

Central London

If you don’t see your borough listed, don’t worry we likely serve it! Just get in touch to confirm.

We’ve Got You, Day or Night

Your 24/7 Lifeline
Call Us Any Time:
02080584241 or

Recent Google Reviews

Posted on Google Google
Kate Henderson profile picture
Kate Henderson
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
I’d had various concerns about my aircon system at my flat in NW2 not working effectively, and was very relieved when Befix were able to offer a prompt service appointment. Communication in advance of the appointment was good and engineer Vahid arrived punctually and worked carefully and thoroughly, ensuring the whole system was in good working order. He was clearly knowledgeable about all kinds of technical issues, friendly and adaptable, and I had confidence that he was attending to everything properly. I am not perhaps very familiar or up to date with what I should expect to pay for this kind of work. I think the price was probably fair - but I would advise checking in advance to make sure you are happy with the arrangement. I was left feeling relieved my system was now in good working order, and will certainly consider the company again for future work, including more ambitious projects.
Posted on Google Google
Beryl Ramsay profile picture
Beryl Ramsay
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Excellent job, very thorough and pleased with the end result.
Posted on Google Google
Kornwipha Sutthiphonphong profile picture
Kornwipha Sutthiphonphong
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Great job on fixing the boiler. Fast and efficient quick call out for Slone square area 👏
Posted on Google Google
Asim Cengiz Akbulut profile picture
Asim Cengiz Akbulut
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Needed certified gas safety experience in Finchley Central, N3. Came out on emergency call and did a great job. V happy, will call again
Posted on Google Google
oja c profile picture
oja c
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Vahid was kind, professional, and incredibly good at his job. He came quickly and flexibly to west london/ Kensington area— and worked out the most economic and quickest way to help with a boiler that lost its pressure. Could not recommend this service more!
Posted on Google Google
Sev Zacharia profile picture
Sev Zacharia
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Brilliant service very fast Aircon unit installed.Very reasonably priced
Posted on Google Google
NICHOLAS PEARSON profile picture
NICHOLAS PEARSON
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Excellent in every respect. If you need a top plumber in South East London then BeFix come highly recommended. A tricky job which had not been solved by previous professional, was immediately diagnosed by BeFix which has saved me money and time. Efficient, punctual, and reasonably priced.
Posted on Google Google
Anthony Pisarski profile picture
Anthony Pisarski
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Amazing quality of work. Was lucky enough to have a same day appointment. Provided great advice, arrived on time and completed the work exactly as promised. Very reasonably priced (having received a quote for over 2x) Would absolutely recommend every time. Very friendly and professional! Thank you so much
Posted on Google Google
Samin MoghimiAsl profile picture
Samin MoghimiAsl
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Vahid was very fast to respond to my quote request and to set a time for his visit. He fixed our boiler in a very efficient and professional manner. He already had the replacement part with him beforehand which was very helpful. I would 100% recommend BeFix!
Posted on Google Google
Taysir profile picture
Taysir
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Took some trial and error and a few visits, but in the end it was done. He visited on short notice which was very helpful.

The Benefits of Choosing BeFix

Trusted by London landlords and homeowners, our service goes beyond compliance – it's about safety, convenience, and professionalism.

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Complete Peace of Mind

Protect your home from risks like carbon monoxide leaks and gas fires. Our inspections are thorough and safety-focused.

Effortless Legal Compliance

Need a CP12 for a rental property? We make it simple and fast – with clear documentation delivered right after the check.

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Expert Heating Insights

Our engineers do more than tick boxes – they know heating. Get informed about potential issues or inefficiencies during inspection.

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Fast & Flexible Service

Book online, choose a convenient time, and rely on our local engineers to arrive promptly and finish efficiently.

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Respectful, Professional Approach

From booking to certification, enjoy friendly, respectful service and clear communication throughout the process.

What Does Our Gas Safety Check Include?

Our certified Gas Safe engineers carry out detailed checks to ensure everything in your property is safe and legally compliant.

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Appliance Inspection

We thoroughly check all gas appliances (boilers, cookers, fires) for safe installation and proper functioning.

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Pipework Examination

Visible pipework is examined for signs of damage, corrosion, or potential gas leaks.

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Safety Device Testing

We test safety devices on each appliance to ensure they operate as expected in emergencies.

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Ventilation & Flue Checks

We make sure there's adequate ventilation and confirm flues/chimneys safely remove combustion gases.

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CP12 Certificate Issued

If everything meets safety standards, we issue your official Gas Safety Certificate with full details of all checks.

Gas Safety Certificate Pricing

Fair, transparent, and professional. BeFix makes gas safety simple and affordable for London homes and landlords.

Standard Certificate
£90 + VAT

Covers inspection of up to 3 gas appliances

  • ✔ Full Gas Safety Check
  • ✔ CP12 Certificate Issued
  • ✔ London-based certified engineers
  • ✔ Same-week appointments available
💡 Combine with a boiler service and save!
Ask us about available package deals.
Get a Quote or Book Now

Frequently Asked Questions (FAQs) - Gas Safety Certificates (CP12)

Q: Is a Gas Safety Certificate legally required for homeowners?

A: While not a legal requirement for homeowners living in their own property, it is highly recommended to have an annual gas safety check for your own peace of mind and safety. Faulty gas appliances can be extremely dangerous.!

Q: How often do landlords need a Gas Safety Certificate?

A: Landlords in the UK are legally required to have a gas safety check performed on their rental properties every 12 months. A copy of the valid certificate must be provided to existing tenants within 28 days of the check and to new tenants before they move in.

Q: Who can issue a Gas Safety Certificate?

A: Only engineers who are registered with the Gas Safe Register are legally allowed to carry out gas work and issue Gas Safety Certificates in the UK. Always ask to see their Gas Safe ID card.

Q: What gas appliances are typically checked?

A: The engineer will check all gas appliances owned by the landlord (or homeowner if requested), which usually includes gas boilers, gas fires, gas cookers/hobs, and gas water heaters. They also check the visible gas pipework and flues.

Q: What happens if an appliance fails the safety check?

A: If an appliance is deemed unsafe, the engineer will explain the problem. Depending on the severity, they might issue a warning notice or, if it's 'Immediately Dangerous', they will disconnect the appliance with your permission to make it safe. The certificate cannot be fully issued until the necessary repairs are completed. BeFix can provide a quote for any required remedial work.

Q: How long does the gas safety check usually take?

A: A typical check for a standard property with a boiler, hob, and/or fire usually takes around 30-60 minutes, but this can vary depending on the number and type of appliances and the complexity of the installation.

Q: Do I need to be present during the check?

A: Someone over 18 needs to be present to grant the engineer access to the property and the gas meter. For landlords, this could be the tenant, provided they are aware and agree.

Q: How long is the Gas Safety Certificate valid for?

A: A Gas Safety Certificate (CP12) is valid for 12 months from the date of issue.

Ready to Ensure Your Gas Safety?

Booking your Gas Safety Certificate with BeFix is simple. Ensure your property is safe and compliant with minimal fuss. Contact our friendly London-based team today.

Call Us Any Time: 02080584241
Email Us: info@befix.co.uk
Fill Out Our Online Contact FormDon't delay in securing the safety of your property. Get in touch with BeFix, your professional and reliable Gas Safe registered engineers in London.