Gas & Oil Boiler Installation Across South Wales
Efficient Heating Solutions Installed By Gas Safe & OFTEC Registered Specialists
Whether you’re replacing an ageing boiler, upgrading your heating system or installing a boiler in a new property, Swansea Gas Services provides professional gas and oil boiler installations across South Wales.
Backed by over 21 years of industry experience and 5* Google Reviews, we’re trusted by homeowners throughout Swansea and the surrounding area.
Professional Gas & Oil Boiler Installations
A new boiler is one of the most important investments you can make in your home. A properly installed system can improve reliability, increase efficiency and provide dependable heating and hot water for years to come.
At Swansea Gas Services, we install and replace both gas and oil boilers for homeowners across South Wales. Whether you’re replacing an older boiler that’s becoming unreliable or upgrading to a more efficient system, we’ll help you choose the right solution for your property and heating requirements.
As a Gas Safe and OFTEC registered installer, every boiler installation is completed to current regulations, fully tested and commissioned correctly before handover.
Is It Time To Replace Your Boiler?
Many homeowners contact us when their existing boiler starts showing signs of age or becomes increasingly expensive to run.
Common reasons for replacing a boiler include:
- Frequent Breakdowns – Ongoing repair costs and unexpected failures
- Rising Energy Bills – Older boilers are often far less efficient
- Inconsistent Heating – Uneven temperatures or unreliable hot water
- Obsolete Parts – Difficulty sourcing replacement components
- Ageing Systems – Older heating systems nearing the end of their lifespan
A new boiler can improve efficiency, reduce running costs and provide greater reliability throughout the year.
Why Homeowners Trust Swansea Gas Services
Backed by 5* Google Reviews
- Gas Safe Registered – Registration number 565902
- OFTEC Registered – Qualified oil boiler installers
- HETAS Registered – Registration number 10333
- Family-Run Business – Dedicated office support from first enquiry to completion
- Ideal Accredited Installer – Extended manufacturer warranties available
- Fully Insured – £2 million public liability cover
- 12-Month Guarantee – Workmanship guaranteed
“The team were so understanding and Satinder really went above and beyond for us. Highly recommend.”
– Lucinda Dargavel
What To Expect From Your Boiler Installation
Every property is different, but every installation follows a straightforward process designed to ensure your new heating system is installed safely and correctly.
1. Home & Heating Assessment
We’ll assess your property, heating requirements and existing system before recommending the most suitable gas or oil boiler for your home.
2. System Preparation
Where required, we’ll prepare the system for installation, including pipework alterations, boiler relocations and optional power flushing.
3. Professional Installation
Your existing boiler will be safely removed and your new boiler installed in accordance with current regulations and manufacturer requirements.
4. Testing & Handover
We’ll thoroughly test the system, balance radiators where required, commission the installation correctly and provide any relevant certification before handover.
Gas Safe & OFTEC Registered
When choosing a boiler installer, it’s important to know that the work is being carried out by a properly qualified professional.
Gas boiler installations are completed by a Gas Safe registered engineer, while oil boiler installations are carried out by an OFTEC registered installer. Every installation is completed in line with current regulations and industry standards, giving you complete confidence in the safety and reliability of your new heating system.
Frequently Asked Questions
How long does a boiler installation take?
A straightforward like-for-like combi boiler replacement can often be completed in a single day. More complex installations or system conversions may take longer, depending on the work involved.
Do you install both gas and oil boilers?
Yes. Swansea Gas Services installs and replaces both gas and oil boilers across South Wales.
Can you relocate an existing boiler?
Yes. We can relocate boilers where required, including alterations to gas supplies, pipework and system components.
Do I need a power flush?
Not always. We’ll assess your existing system and advise whether a power flush would be beneficial before installation.
Will my new boiler come with a warranty?
Yes. As an Ideal accredited installer, extended manufacturer warranties may be available on selected boiler installations.
Do you provide free quotations?
Yes. We provide free quotations and surveys for gas and oil boiler installations.
Covering South Wales
Based in Pontarddulais, Swansea Gas Services provides gas and oil boiler installations across Swansea, Llanelli, Carmarthen, Neath, Port Talbot and the wider South Wales area.
We regularly work throughout all SA postcode areas and are happy to travel up to 50 miles along the M4 for the right project.
Whether you’re replacing an ageing boiler, upgrading your heating system or planning a completely new installation, we’re always happy to discuss your requirements and provide a free quotation.
Ready To Discuss Your Project?
Whether you’re planning a gas boiler replacement, oil boiler installation or heating system upgrade, our team is here to help.
When you contact Swansea Gas Services, you’ll speak directly with Satinder, who manages customer enquiries, quotations and project scheduling from start to finish. That means clear communication, prompt responses and a dedicated point of contact throughout your project.
Get in touch today to arrange your free quotation and expert advice.
“Recently had a new combi boiler fitted. Ian was great, explained everything before starting the job. Since installation I can’t believe how quiet the new boiler is.”
– Helen Griffith
