Looking for dependable boiler installation in Swansea (Abertawe)? EazyHeat fits and replaces gas boilers right across the city, from the Victorian copperworkers’ terraces of SA1 Hafod and St Thomas to the Edwardian villas of SA2 Uplands and Sketty, and out to the family homes of SA6 Morriston and SA4 Gorseinon. Whether your ageing back boiler in a Townhill terrace has stopped keeping up, or you need a straightforward combi swap near the Maritime Quarter, get a clear online quote for boiler replacement in Swansea and book an installation date that works for you.
Swansea’s building stock reflects its industrial past and coastal growth, and that history matters when choosing the right boiler. In the tightly packed Victorian terraces of SA1 Hafod, St Thomas and Bonymaen, originally built for the copperworks and dockyard workforce, many homes still rely on outdated back boilers or undersized combis squeezed into small kitchens.
EazyHeat’s engineers regularly requalify these properties for a modern combi that fits the same footprint but delivers far better performance. Further out in SA2, the substantial Edwardian villas of Uplands and Brynmill and the inter-war semis of Sketty and Derwen Fawr often have loft space suited to a regular boiler and cylinder, though most homeowners today prefer converting to a combi to reclaim that space.
In SA6 Morriston and SA4 Gorseinon and Penllergaer, where 1960s and newer housing predominates, straightforward combi replacements are the norm. Wherever you are in Swansea, we assess your pipework, hot water demand and property type before recommending a boiler suited to your home.
A large number of the boiler call-outs we receive from homes around Brynmill, Uplands and the Maritime Quarter involve units well beyond 12 to 15 years old, still running on manual dials rather than modern controls.
In Swansea’s older housing, particularly the solid stone-built terraces near Kilvey Hill and St Thomas, a struggling boiler has to work harder to heat rooms that were never designed with central heating in mind, and this shows up quickly in winter gas bills.
Swansea’s coastal exposure and hillside terraces bring their own wear and tear too: salt-laden air off Swansea Bay can accelerate corrosion on external flues, while properties on the steep streets of Townhill and Mount Pleasant often have boilers tucked into awkward loft or cupboard spaces that are due an upgrade.
Replacing an ageing boiler resolves these issues, adds smart heating controls and comes with a manufacturer warranty, giving Swansea homeowners fewer breakdowns through the wetter, windier months typical of this stretch of the Bristol Channel coast.
Browse our most popular boiler installation packages, selected to suit different property sizes, hot-water requirements and budgets in Swansea.
Ideal Logic Max Combi2 C30 Boiler
Glow-worm Compact 28C Combi Boiler
Worcester 4000 Combi Boiler
We provide home energy installations nationwide, helping families across the UK upgrade their heating and energy systems. With next-day installation slots often available, getting started couldn’t be easier.
We have major hubs in Wales, London and the Midlands. Our accredited engineers deliver a fast, reliable service wherever you live. You can get a quote online today using our streamlined system, and we’ll match you with an engineer in your local area.
Across Swansea, a straightforward like-for-like combi boiler replacement typically costs between £1,800 and £3,500 fully installed, depending on the brand and output size chosen. This covers the majority of terraced homes in SA1 and SA5, where the new unit is fitted in the same location as the old one with minimal extra pipework required.
For a system or regular boiler replacement, more common in the larger villas and semis of SA2 Uplands, Sketty and Derwen Fawr, expect to pay in the region of £2,200 to £4,000, especially where an ageing hot water cylinder or loft tank needs replacing at the same time.
If you’re converting from a traditional regular system to a combi, relocating the boiler, or working in a period property near Brynmill where access is more restricted, costs typically rise to £3,000 to £5,000. EazyHeat provides a fixed, itemised quote before work begins, so Swansea homeowners know the exact cost for their specific property ahead of booking.
When it comes to replacing an existing gas boiler, you have several options depending on your home, lifestyle, and budget in Swansea.
Ideal for: Flats, apartments, and small to medium homes in areas like St Thomas and Manselton.
Ideal for: Families with multiple bathrooms in Uplands and higher daily hot water use.
Ideal for: Larger detached homes already configured for a regular boiler, or high hot water needs.
Choose from a range of convenient payment options, including flexible finance plans or paying for your installation in full.
Representative APR 11.9% (fixed)
Spread the cost of your installation over a longer repayment term with manageable monthly payments.
As long as your scheduled monthly payments are maintained, you can make additional payments at any time. Overpayments may help reduce the total interest charged and shorten the length of the agreement.
You will also receive the additional protections provided by the Consumer Credit Act 1974.
Representative example: Cash price £2,000. No deposit required. Total amount of credit £2,000. Interest rate 11.9% per annum fixed. Representative APR 11.9%. Agreement term 60 months. 60 monthly payments of £43.78. Total amount repayable £2,627.08.
Pay for your installation in full
Choose from several convenient ways to pay for your installation:
We act as an introducer appointed representative of Vendigo, we’ll never quote you real time rates. We’ll simply send you a link to apply for finance from them.
EAZY HEAT LTD (FRN: 1020736)] is an Appointed Representative of Koze Group Ltd, a credit broker, not a lender. Koze Group Ltd is authorised and regulated by the Financial Conduct Authority (FRN 811281) and registered in England (08357963). We offer finance products from a panel of lenders. Credit is subject to age and status.
At EazyHeat, we don’t just install systems. We provide a complete, customer-focused experience that puts speed, simplicity, and service first. Homeowners across the UK choose us for:
Choose your install date, and we’ll do the rest. No drawn-out processes or unnecessary delays.
All boiler installations come with a market-leading 12-year parts and labour warranty.
We’re proud of our reputation. From initial quote to final handover, we deliver consistently top-rated service across the UK. That’s why we’re rated Excellent on Trustpilot!
Every job is carried out to the highest safety standards by our fully qualified, experienced engineers.
No matter where you’re based, we’ve got expert installers ready to help – from major cities to rural towns.
“Needed to upgrade my very old gravity-fed boiler system with a new direct mains. Once I received the online quote the follow up with Craig was really helpful in choosing the right boiler – we went for the Weismann. The install team were great, did the job in a day including removal of the water tanks, were a good laugh, and left little to no mess.”
“Excellent service from EazyHeat from start to finish. Craig, the salesman, was professional, friendly, and explained everything clearly without any pressure. The installation engineers, Matt and Joe, were punctual, tidy, and completed the work to a very high standard. They took the time to explain how everything works and made sure we were happy before leaving.”
“Flawless job from Shaun and Callum, they were so incredibly professional and very clean throughout the installation. The job was done to a very high standard; they clearly take pride in their work. Cheers fellas! Without a doubt would recommend EazyHeat, and will use them again if needed.”
“Joe from Eazyheat went the extra mile with my install and performed a full system flush, even popping back to ensure the flush was effective.”
Hi folks, I had a boiler change today from a system boiler to a combi, the engineer that came (Joe) was superb, extremely pleasant, massively helpful extremely clean and tidy, and took up most care throughout and was very professional. I would without a doubt recommend EazyHeat going forward ,and look forward to dealing with them again soon
Yes. Many of the Victorian terraces built for Swansea’s copperworks and dockyard families in SA1 still have a back boiler hidden behind a fireplace or built into a kitchen chimney breast. Removing one involves capping the old flue and making good the chimney, plus running a new balanced flue to an outside wall, which our engineers include in your survey and quote.
Yes, though converted flats and apartments around the Maritime Quarter and Marina sometimes have shared freeholds or restricted flue positions due to nearby windows and balconies. We check building regulations Part J flue clearance distances and, where needed, liaise with the building’s management company before scheduling work.
Flue positioning generally falls under permitted development, but period properties in areas like Uplands and Brynmill, some of which are listed or sit within a conservation area, can have restrictions on external fittings. Our engineers check with Swansea Council’s planning guidance where a property’s status is unclear before finalising flue placement.
A straightforward combi replacement in an SA2 semi usually takes around 4 to 6 hours. If you’re upgrading from a regular boiler and removing a loft tank and airing cupboard cylinder, the job typically takes a full day, occasionally running into the next morning to complete testing and commissioning.
Some Swansea households may qualify for support under the UK Government’s Boiler Upgrade Scheme or ECO4 scheme, depending on income, benefits status and the property’s EPC rating. Our team can advise during your quote whether your Swansea property is likely to meet eligibility criteria for any current scheme.
In addition to Swansea itself, our engineers regularly carry out boiler installations in nearby Gorseinon, Llanelli and Neath, as well as villages across the wider Swansea Bay area. If you’re just outside the city boundary, get in touch to confirm coverage for your postcode.
For personal guidance about your property or installation, call EazyHeat on 0330 133 5170.
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