Winner — Wales Energy Efficiency Awards 2026Boiler Installer & Heating Contractor of the Year
See Our Wales Award
Special Commendation — UK National Energy Efficiency Awards 2026Boiler Installer & Heating Contractor of the Year
View certificate (opens in a new tab)See Our National RecognitionBoiler brands we install
Explore the ranges. We recommend the right boiler for your home following an assessment.
Boiler services for homes in Swansea
Our team combines technical checks with a conversation about comfort, running priorities and future plans. The result is a heating recommendation tailored to the property rather than the postcode alone.
Boiler installation Swansea
Boiler replacement and wider heating upgrades considered together where the existing system needs more than one change.
Boiler repair Swansea
Boiler Diagnostic & Repair£85inc. VAT
Evidence-led repair recommendations for Swansea households, with no unnecessary work added to the scope.
Boiler servicing Swansea
Boiler Servicing£85inc. VAT
Annual boiler care covering safety, condition and performance, with the service outcome recorded for the homeowner.
SwiftHeat UK Group Ltd · Whole-home thinking
Heating, solar & whole-home energy in Swansea.
One improvement or a longer-term plan: our expertise brings heating, electricity generation, storage and hot water into the same conversation. We assess your existing system, comfort, energy use and budget before recommending the next step.
Care for what you have
Gas, oil & LPG heating
Installation, servicing, fault diagnosis and system upgrades across gas, oil and LPG. We assess the appliance, fuel supply, pipework and controls together, with the appropriate specialists identified for the work.
Explore a different heat source
Heat pumps & hybrid heating
Air source heat-pump planning considers room heat loss, radiators, hot water and outdoor space. Where suitable, we can compare a hybrid arrangement combining a heat pump with a compatible boiler and coordinated controls.
Generate, store and use
Solar PV & battery storage
Explore rooftop solar, solar with storage, adding a compatible battery, and maintenance of existing systems. Roof condition, shading, seasonal generation, electricity use and tariffs shape the proposal.
Compare suitable electric heating
Electric boilers
Electric combi, system and suitable heat-only arrangements assessed around the heating circuit, hot-water demand, electrical capacity and running costs. We compare the complete proposal with other suitable heating options.
Match supply to daily life
Cylinders & electric hot water
Hot-water cylinder assessment and replacement, direct electric unvented storage and compact electric heaters. We consider capacity, recovery, mains supply, available space and the requirements of the chosen installation.
Make the system work together
Controls, radiators & underfloor heating
Smart thermostats, TRVs, zoning, radiator upgrades and underfloor heating, with balancing and system cleaning where needed. We check compatibility and heat delivery so improvements suit the way you use your home.
One home. A connected energy plan.SwiftHeat UK Group Ltd · Assess first. Recommend second.
Whole Home Energy Solutions in Swansea.
Bring heating, hot water, solar generation, battery storage and smart controls into one considered plan. We assess how suitable technologies can work together around your property, energy use and budget.
For enquiries around SA1, SA2, SA3, SA4, SA5, SA6 and SA7, tell us your full postcode, existing fuel and equipment, and what you want to improve. We can consider suitable combinations or phase the work around your priorities. Availability, responsible installers, relevant certification and aftercare are confirmed in your proposal.
Solar output varies through the year. Batteries have limited capacity, and most homes retain a grid connection. Equipment compatibility, electrical capacity and expected running costs are checked before a combined system is recommended.
Swansea homeowner heating guide
Heating advice from Swansea Bay to the city suburbs
Swansea covers coastal homes, dense terraces, apartments and properties climbing into more exposed suburbs. Salt air, wind and building type all influence equipment choice and siting.
We assess the individual home rather than treating the city as one market, checking external exposure, water demand, emitter output and practical service access.
Heating-system assessments and upgrades · Radiator improvements · Heating controls
That local property context is considered alongside the boiler, controls, radiator circuit and hot-water pattern, so the advice for a Swansea home is grounded in evidence rather than a standard package.
Verified SwiftHeat work and customer evidence
These approved photographs show genuine SwiftHeat UK diagnostics and installations. They are representative workmanship examples and are not presented as projects completed in Swansea unless a separate case study below names the town and postcode district.
Approved customer feedback
Experience behind the local service.
These are genuine SwiftHeat UK customer reviews. No location is attributed where the approved source does not provide one.
I have had a few jobs done by the boys now, new boiler, new feed to bedroom and dining room radiators and leaking toilet fixed and all work was completed to perfection.
Read more
From start to finish the service they provided was excellent, the quote they gave was very reasonable and no hidden extras when it came to paying when the job was completed. They were very quick providing our quotes and when we said we wanted the work completed they were there in a matter of days to do the works.
The most recent works was to put an additional feed in as our radiators in the downstairs bedroom and dining room have never heated up properly since we moved into the house. The boys hit a problem as soon as they started the work as they could not drill through the floor as they thought they could due to the beams running the opposite way however, this did not stop them completing a fantastic job. They found a solution and my radiators are the warmest they have ever been.
The boys worked tirelessly all day and did not leave until the work was completed.
Thank you Tristan, Keiran and Axel for providing such a brilliant service. We will definitely be using you again in the future and would highly recommend your company xx
Enquired about a boiler service, within minutes I was responded to by Tristan - very polite & friendly.
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Shortly after, our boiler was having issues - messaged again asking if someone could come earlier, they arranged for someone to be out and within 4 days of issue arising, my boilers been repaired & serviced (also ordered in a part in that time)
Thank you 😊
Our Work • Installation examples
Explore our completed heating projects
Considering heating work in Swansea? Explore examples completed elsewhere in South Wales. These are examples of our installation work, with each project's actual location clearly identified.
A Navien combi upgrade with wireless controls.
A new NCB300 28kW combi with magnetic filtration, a shock arrestor, complimentary thermostat and five-year manufacturer’s warranty.
View the Penarth, South Wales case study →
A considered Baxi combi installation.
A Baxi 800 30kW combi with MagnaClean protection, complimentary wireless controls, ten-year manufacturer’s warranty and twelve-month installation guarantee.
View the Cardiff, South Wales case study →Planning a heating visit in Swansea
Send the full postcode, property type and any parking or access restrictions. The SA1, SA2, SA3, SA4, SA5, SA6 and SA7 districts are a guide; we confirm the actual address and appointment availability.
Share the make, model and visible fault code if known, or a photograph taken safely without removing covers. Tell us whether you need servicing, fault diagnosis or an installation survey.
Tell us your current fuel, insulation, hot-water needs, available outdoor space and whether a hot-water cylinder is fitted. We assess room-by-room heat loss, radiator suitability and outdoor-unit siting before recommending a suitable system.
Read the heat-pump assessment guideFull information, one authoritative source
Essential SwiftHeat UK guides for Swansea
These concise summaries point to the central pages where current terms, qualifications and full service details are maintained.
0% options for eligible installations
Eligible boiler installations from SwiftHeat UK Group Ltd may have repayment options of 3 months, 6 months, 9 months or 12 months through Humm Group Limited. 0% finance is subject to eligibility, approval and provider terms. Any applicable deposit, fees, repayment conditions and total payable are explained during your enquiry/application. Review the terms supplied before applying.
Lower-carbon comfort starts with the right design.
A heat pump performs best when the building, heat loss, emitters and hot-water arrangement are considered together. We can discuss the practical checks for properties in Swansea before a proposal is developed with our MCS-certified installation partner. Current Boiler Upgrade Scheme support is subject to the property, technology, MCS and scheme eligibility rules.
The Boiler Upgrade Scheme offers £7,500 towards an eligible air-to-water heat pump in England or Wales. Qualifying homes currently heated by oil or LPG, with no mains-gas connection, may receive an additional £1,500 (£9,000 in total) until March 2027. An MCS-certified installer must confirm eligibility and apply on your behalf; approval is not guaranteed.
Running costs and any savings depend on the property, system design, controls and energy tariff.
Wales’ 2026 heating-contractor winner
SwiftHeat UK won Wales’ Boiler Installer & Heating Contractor of the Year 2026, alongside Highly Commended and Commended honours, and received a Special Commendation in the national Boiler & Heating Installer and Contractor of the Year category.
Cardiff City benefits and Disability Confident
SwiftHeat UK Group Ltd is Disability Confident Committed. Eligible Cardiff City season-ticket holders can also receive 15% off qualifying new boiler installations and boiler servicing under the current published offer terms.
Local heating questions
Boiler and heating FAQs for Swansea
Which Swansea postcode districts can SwiftHeat UK attend?
SwiftHeat UK uses SA1, SA2, SA3, SA4, SA5, SA6 and SA7 as the main Swansea postcode coverage, alongside the surrounding communities of Morriston, Mumbles, Gorseinon and Pontarddulais. A full postcode is always checked because boundaries and travel requirements vary.
How should an older heating circuit in Swansea be checked?
Swansea covers coastal homes, dense terraces, apartments and properties climbing into more exposed suburbs. Salt air, wind and building type all influence equipment choice and siting. We assess the individual home rather than treating the city as one market, checking external exposure, water demand, emitter output and practical service access. Coastal siting and corrosion protection matter for heat pumps and external fittings; shelter must never obstruct safe airflow or clearances.
How does SwiftHeat UK decide the right next step for a Swansea home?
For an enquiry from SA1, SA2, SA3, SA4, SA5, SA6 and SA7, send a concise description of the current system or fault. The team confirms the suitable appointment type and access arrangements, then assesses the boiler together with the connected controls, radiators and hot-water requirements where relevant to the Swansea property.
What help is available when I am unsure which service my Swansea home needs?
SwiftHeat UK supports installation, planned servicing, fault diagnosis and wider heating improvements. The detailed central guides set out the scope, while this page supplies the verified local context for Swansea and nearby communities.
Local service coverage
Serving Swansea and nearby communities
Our Swansea service area is centred on SA1, SA2, SA3, SA4, SA5, SA6 and SA7 and includes homes throughout Swansea, with nearby coverage around Morriston, Mumbles, Gorseinon, Pontarddulais. If your location is not listed, contact us—SwiftHeat UK works across Wales and throughout the UK.
Browse all Areas We Cover →
Gas Safe registered business978273
- Wales’ Boiler Installer & Heating Contractor of the Year 2026
- Gas, Oil and LPG boiler expertise
- Air source heat-pump assessment and installation
- Domestic & Commercial Heating • Plumbing • Engineering
- Manufacturer warranties from 5–12 years on eligible boilers
- 0% finance options, subject to eligibility and terms
Assess first. Recommend second.
One home.Practical answers without the pressure.
Tell us what is happening at your Swansea property and what outcome you want. Mention the boiler, controls or rooms affected; our team will review the detail and contact you with a sensible next step for your home in Swansea.
- 1Send a few details about your boiler, heating system or project.
- 2A member of the SwiftHeat UK team will contact you using your preferred method.
- 3Receive considered advice and a clear quotation for your Swansea property.