Boiler Repairs in Cardiff

If your boiler breaks down and you’re suddenly without heat and hot water, the experts at Gascall are on hand to carry out first rate repairs on all models. From our Cardiff base, we are perfectly located to serve customers throughout Cardiff, our skilled engineers call on over 20 years in the industry to provide a solution to any boiler issue.

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Our boiler repair service

Wherever possible we will get an engineer to you within 24 hours and can usually fix most common issues on the first visit.

We aim to offer complete satisfaction to each of our customers and all of our boiler repair work is fully guaranteed. We operate to straight and fair principles, carrying out a boiler repair is intended as a long term fix. We will keep you up to date , and advise you on how to keep your appliance in its best running condition.

Our reputation is very important to us and has allowed us to trade successfully in the Cardiff area with many satisfied customers. That means it is in our interest as well as yours to make sure every repair we do is of the highest quality.

As a company with long-established relationships with suppliers and manufacturers, we can offer very competitive prices on replacements parts for all brands of boilers, including Worcester Bosch and Vaillant.


Our pricing

We are are very fair company, our experienced skilled Gas safe engineers, charge fairly and clearly. We keep you informed and in control every stage of the boiler repair.

Our engineers

All our engineers are Gas Safe registered, have all the necessary qualifications to carry out boiler repairs in a safe, timely and effective repair.

We pride ourselves on our professionalism, our friendly engineers represent the company wearing smart uniforms and always display their Gas Safe cards.

Our engineers treat customer with respect, keeping the workplace tidy, at all times, placing dustsheets and floor protectors is standard practice.

Gascall are one of the top boiler repair companies in Cardiff, so if you’ve experienced a boiler breakdown and need a firm of plumbing and heating engineers you can trust, don’t hesitate to get in touch.

although we are competent in boilers from old fashioned back boilers to state of the art condensing combination boilers, we communicate with our customers free of jargon. Its important to keep you informed by explaining everything with patience and ease.


Boiler installation in Cardiff

We are experts in boiler installation. Our team in Cardiff can help you determine the correct boiler for your requirements and organise the installation. Call us today on 02921 660292 to discuss your new boiler installation …

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Why choose us to install your boiler?


We are acredited with boiler manufacturers

All our work is guaranteed

We are a reputable Cardiff company

We work tidily, leaving a quality finish.

We can fast track your boiler installation

Free estimates and free professional technical advice

New Boiler Systems

Our dedication to providing the best possible standard at the lowest possible rate means that we will beat any price from national gas companies, and we offer a two to seven year parts and labour guarantee on every boiler installation. We are available for consultation to determine your needs, whether for replacement or brand new boilers, and will not charge you a penny until you are entirely satisfied with our work.

All of our practices are fully vetted by relevant accreditors, including Gas Safe, the Institute of Plumbing and Heating Engineers and the National Inspection Council for Electrical Installation Contractors, meaning you’re in the best hands with Gas Call.

Boiler Installation and estimates

We carry out free estimates for new boilers and can fit any manufacturer's boiler, give us a call and we will arrange a time to come over. Also we are Worcester Bosch and Vaillant approved installers, which allows us to give extended warranty on parts and labour for all new boilers installed by us. Our prices our very competitive and our work is carried out to the highest standard.

Our team of experienced, gas safe engineers, backed up with gas qualified managers make our company first choice for fitting your boiler. We are Worcester Bosch approved installers and can give a free 7 to 12 year warranty on new boilers fitted by us. In fact if you have a Worcester Bosch filter fitted we can extend your warranty to 8 years if you choose a CDi model. New boilers installed by us can come with the extended 8 year warranty as long as the customer commits to our 8 year service package and the boiler is fitted with an inline filter. If you are eligible for the Goverment Green deal initiative, we are approved to carry any energy efficient improvements in your home too. Replacing your boiler can involve significant work and not only can we change your boiler at a very reasonable cost, we can deliver a very excellent service and quality of work.

Our priority is your satisfaction with our work and giving you peace of mind by registering all boilers with Gas safe and doing all our work under warranty. So do not hesitate to contact us for a free quote on a boiler replacement or free estimate on a boiler change. All boilers are fitted from combination boiler swaps, to an A rated condensing boilers, to conversions from conventional boilers to combination boilers. We carry out quality work by experienced Gas Safe engineers.


Get in touch with us today to arrange your free boiler installation estimate.


Gas safe enginners

Free estimates we are happy to travel a reasonable distance

Competitive prices

Quality and guaranteed work

Free 7 to 12 year warranty on Worcester Bosch and Vaillant boilers



Boiler Servicing in Cardiff

If you require a boiler service, All our gas Gas Safe® Registered engineers are highly experienced and fully qualified to handle the servicing of your boiler. We can service many types of boilers, including open vent, condensing boilers, non-condensing boilers & combination boiler 'combi'

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The routine annual boiler servicing is something almost every household has to go through. The harshness of the weather in recent years has brought annual boiler servicing to the top of our to-do list before the onset of winter.

Whether it's heating or hot water, boilers are at the heart of the modern home. Yet most of us forget about our boilers until they start causing us trouble. It is best to find a professionally trained person for annual boiler servicing.   Looking after your annual boiler servicing will reap the following benefits:

If your boiler needs a service and you need an engineer you can rely on, call Gascall today on Cardiff 02921 660292

Save money on repairs

Full-blown boiler problems can often develop from minor faults. An annual service will increase the chance that these are picked up on and fixed before they become a problem, saving you money and future hassle.

Reduce your heating costs 

The engineer who undertakes your annual boiler service will make sure that it is running as efficiently as possible. This will go a long way towards making sure that you minimise your heating bills.

Preventing carbon monoxide poisoning

Boilers that aren't properly installed, maintained or ventilated can produce carbon monoxide. Symptoms of carbon monoxide poisoning include headaches, drowsiness, nausea, breathlessness and stomach pains. Signs are hard to spot and can be confused with tiredness or a cold. Unfortunately this silent killer can't be seen or smelt, so it really is important to make sure your boiler is serviced at least once a year.

If you're a landlord, it's the law 

If you're a landlord, you have a legal responsibilities to ensure that each of your properties has a current Gas Safety Certificate. Only Gas Safe Register approved engineers are qualified to perform this gas safety check and issue a CP12 Inspection Certificate to prove it.

It is important to remember that all different types of boilers are serviced differently. The types of boiler commonly used are:

Gas boiler

Oil boiler

Solid fuel boiler.

 Finding the right engineer

All our engineers are Gas Safe registered, have all the necessary qualifications and are directly employed by Gascall– we never subcontract our boiler repairs to third parties. That means we can guarantee you a safe, effective service.

We pride ourselves on our professionalism and each of our engineers has a Gas Safe card with their picture on and wears our company uniform. We treat each customer with respect and our engineers will always clean up after themselves before they leave your home.

Gascall are one of the top boiler service companies in Cardiff, so if need a firm of plumbing and heating engineers you can trust, don’t hesitate to get in touch.

An annual service is essential to maintain the warranty on your boiler.

Appliances should be serviced regularly in accordance with manufacturer ’s instructions. Servicing your gas appliances regularly will make sure they are safe to use. It will also maintain your appliances efficiency and performance.

Boiler Service Checklist

  • Carry out gas tightness test
  • Check for adequate ventilation
  • Test the flue for the satisfactory removal of combustion products
  • Carry out spillage test
  • Check flue termination Check that all safety devices are working correctly
  • Check the flame failure devices
  • Check the heat exchangers, combustion fan, casing, seals and circulating pump
  • Check all visible pipe work and heating controls
  • Clean the Boilers condensate
  • Check CO/CO2 ratios
  • Check for any signs of unsafe operation
  • Test gas rate and pressure of burner
  • Perform any other gas safety check as required by manufacturers instructions


Gas central heating in cardiff

Central Heating in Cardiff

With over 20 years of experience in the industry, Gascall have developed a reputation as one of the leading providers of heating a plumbing services in the region, offering first rate value and workmanship to customers throughout Cardiff , Penarth, Barry, and the whole of South Glamorgan...

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Why choose Gascall to install your Central Heating?

We are acredited with all major boiler manufacturers

All work is guaranteed and we offer extended warranties

We have high health and safety procedures - as required by our council clients

We can fast track your boiler installation

Free estimates and free professional technical advice

New Central Heating Systems & Upgrades

With over 20 years of experience in the industry, Gascall have developed a reputation as one of the leading providers of heating a plumbing services in the region, offering first rate value and workmanship to customers throughout Cardiff , Penarth, Barry, and the whole of South Glamorgan

New Central Heating

If you you need a new central heating system, our engineers work to high standards , from fitting the boiler in the most suitable location,
siting radiators to suite the room, and run pipework in the best possible routes to you get the benefits of central heating which is also pleasing to the eye.

We offer new central heating to domestic and commercial customers across the Cardiff region,
and we promise to beat any like for like quote from national gas companies to ensure you get the best possible value.

We cater to bespoke tastes, and have vast experience in both moder and contemporary designer radiator's, smart controls.

We install :-

Thermostatic Radiator Valves (TRVs)
Radiator covers
Wireless controls
Pipe work
Designer radiators
Smart controls.
Smart Apps.

Replacement Central Heating

If your central heating system is old and outdated, you could be paying more for your energy than you have to, not to mention being vulnerable to breakdowns and faults. Our expert team of qualified engineers are on hand to carry out high quality central heating upgrades, offering new central heating to domestic and commercial customers across the region, and we promise to beat any like for like quote from national gas companies to ensure you get the best possible value.
Accredited Engineers

All of the replacement central heating work we perform is Gas Safe accredited, and every new boiler we install comes with a 7 to 12 year warranty for maximum peace of mind.

For more information, or to arrange your central heating upgrade, get in touch with Gascall today.

Central Heating Repairs, service and Installation in Cardiff  Gascall 02921 660292

        02921 660292

Mon - Sun 8.00 - 20.00



For many years, Gascall has provided plumbing and heating services to satisfied customers in Cardiff – gradually building up a reputation as a company which provides high quality service at an affordable price.



Whether it’s a service or repair, Gascall's Gas Safe registered engineers have a keen attention to detail and years of experience working on boilers of all type and size. In the case of repairs, this means a rapid response, accurate diagnosis and a solid repair with complete solutions of any problems. In the case of services, it means that you end up with a healthy, efficient and safe boiler which has been rigorously tested to ensure it’s working efficiently.

Our Promise

Choose Gascall, and we will make you these promises. We will deliver a service of excellent quality, from highly experienced expert plumbers and Gas Safe (Registered) heating engineers. Our first class customer service will make the entire process as effortless as possible for you.

Areas covered

ALL our services (emergency and pre-booked jobs) are available throughout Cardiff. This area is also covered by our 24 hour emergency repair service, which assures you that an engineer will arrive within a maximum of 2 hours. We attend to pre-arranged appointments exactly on time in 99% of cases. In the unlikely event that an unforeseen circumstance holds us up (such as heavy traffic, roadworks or diversions), we will give you a call to let you know.



We have over 20 years of experience providing the best quality products and services to customers throughout Cardiff and South Glamorgan. We are accredited suppliers and installers of all leading heating, hot water and combi boiler brands, giving you a broad range of options and providing the ideal solution for your needs.


For services, installations and repairs, you can have confidence in Gascall's professional approach and extensive experience in working with a wide variety of boiler types and central heating systems. We respond rapidly to requests for emergency repairs, accurately diagnosing, troubleshooting and fixing faults. Our meticulous attention to detail in servicing boilers and conducting thorough tests will leave you with reliable appliances that you can trust to heat your property effectively. Many customers return to us time and time again because of the quality and efficiency of our service.


Gascall and our engineers are proud of our integrity and will only ever be honest about the work that is required. We aim to treat all our customers fairly, and will keep you updated with jargon-free, friendly communications. If you have any questions, Gascall's friendly engineers will be happy to explain any issues and what actions are necessary. Your satisfaction with our work, and peace of mind, are top priorities to us.


We commit ourselves to complete all work within the time agreed with our customers. We use the best of the latest technology and tools to ensure that all jobs are done quickly whilst also giving attention to detail and ensuring all tasks are completed correctly and according to industry standards. As equipment and methods change over time, our engineers undergo further training to keep up-to-date when needed. Customer feedback is important to us, so please get in touch if you have any suggestions or compliments.



We promise to beat any like-for-like quote from national gas companies to ensure you get the best possible value for money.


Gas Safe Cardiff