From £1,790
New boiler
A surveyed installation, carefully specified for your home and hot-water demand.
Choose your quickest route
What do you need today?
Start with the service that best matches your home. You can read the details first or send a short, pre-selected enquiry.
£85 inc. VAT
Boiler service
Planned safety, condition and performance checks with straightforward feedback.
£85 inc. VAT
Boiler fault
Evidence-led diagnostics before parts are replaced, with repair costs agreed first.
Grants available
Heat pump
A whole-home assessment covering heat loss, emitters, hot water and grant eligibility.
SwiftHeat UK Group Ltd · Proudly associated with Cardiff City Football Club
Proudly backing the Bluebirds. Committed to Cardiff.
SwiftHeat UK Group Ltd is proud of our association with Cardiff City Football Club, with our brand showcased across the LED display system on all three sides of Cardiff City Stadium.
For us, this association means far more than matchday visibility. It reflects our genuine commitment to the club, its passionate Bluebird supporters, the city of Cardiff and the wider community that Cardiff City Football Club brings together.
As a growing Welsh heating business, we are proud to give something meaningful back through exclusive supporter benefits, trusted heating expertise and dependable service that helps keep local homes warm, efficient and comfortable.
From the stands of Cardiff City Stadium to homes throughout Cardiff and beyond, we are proud to stand alongside the Bluebirds and the communities we serve.
One club. One city. One community.
Three honours • Wales Energy Efficiency Awards 2026
Winner — Wales’ Boiler Installer & Heating Contractor of the Year 2026
Winner
Recognised for heating expertise, quality and customer care.
News & updates
Latest from SwiftHeat UK Group Ltd.
National recognition, company milestones, Cardiff City supporter news and important heating updates from SwiftHeat UK Group Ltd.
SwiftHeat UK Group Ltd team pictured after winning at the Wales Energy Efficiency Awards 2026.
National finalistsSwiftHeat UK Group LtdProud finalists in two national categories9th October 2026 · Hilton Birmingham Metropole
National recognition, powered by your trust.
SwiftHeat UK Group Ltd is incredibly proud to have been named a finalist in two categories at the UK National Energy Efficiency Awards 2026.
UK National Boiler Installer & Heating Contractor of the Year 2026
UK National Fuel Poverty & Vulnerable Customer Support Organisation of the Year 2026
These nominations would not have been possible without every customer who has placed their trust in us.
Explore our national recognition
Cardiff City
Proudly associated with Cardiff City Football Club
Our presence across the LED display system on all three sides of Cardiff City Stadium reflects a genuine commitment to the club, Bluebird supporters, Cardiff and the wider community.
Read our Cardiff City story
Home energy
Enhanced heat-pump support for qualifying off-grid homes
Eligible oil or LPG homes may receive up to £9,000, while standard Boiler Upgrade Scheme support remains £7,500 for other qualifying properties.
Read the full heat-pump grant update
SwiftHeat UK Group Ltd team pictured after winning at the Wales Energy Efficiency Awards 2026.
Named Wales’ Boiler Installer & Heating Contractor of the Year
SwiftHeat UK Group Ltd received three honours at the Wales Energy Efficiency Awards 2026, recognising expertise, customer care and wider support.
Explore our award recognitionComplete heating care
Boiler & heating services
in Cardiff.
For Cardiff homeowners, Cardiff City supporters and Bluebirds across South Wales, SwiftHeat brings the same care, clarity and expertise to every boiler repair, replacement and heating upgrade.
Main service
Boiler installation
Gas, oil and LPG boilers specified around heat loss, hot-water demand, controls and your existing system.
Explore boiler installation →Main service
Boiler Diagnostic & Repair
£85 inc. VATIncludes the diagnostic visit and initial fault finding. Any additional parts or labour are explained and agreed before a same-visit repair.
Explore boiler repairs →Main service
Boiler servicing
£85 inc. VATStandard boiler servicing focused on safety, condition and performance. Remedial work and parts are quoted separately.
Explore boiler servicing →
Main service
Air source heat pumps
Whole-home assessment and design considering heat loss, emitters, hot water, controls and grant routes.
Explore heat pumps →Boiler specialists for Cardiff and South Wales
Our services include boiler installations in Cardiff, boiler repair in Cardiff and boiler servicing in Cardiff, together with boiler installation, boiler service and boiler repair throughout South Wales.
View all South Wales service areas →Real customers. Real experiences.
Trusted from first call to final handover.
Clear advice matters. So do punctuality, tidy workmanship and support after the installation. Explore review highlights from customers across Wales and the UK.
100% recommend
Across 32 Facebook reviews
View on Facebook →
Real homes • Wales & the UK
Warmth starts at home.
Expert heating care, delivered with respect for your home.★★★★★
“From initial quotation to full installation of our new combi boiler — just two days. Excellent service from start to finish.”
★★★★★
“Communication was spot on from start to finish. Even from hundreds of miles away, it felt like I was on site.”
Explore 30 named review highlights
Facebook currently shows 32 reviews. Browse the published excerpts, then open Facebook for the complete set.
1–3 / 32
Featured in our Cardiff City information video
The right boiler.
The right fit.
We choose the boiler around your home, hot-water demand and priorities — then install it with the care, clarity and finish you should expect from SwiftHeat.
- Clear recommendations based on your property
- Neat installation with system protection considered
- Controls, warranty and handover explained properly
Hive Mini included
Plus your first two annual boiler services.
Boiler manufacturers we install
Leading brands, selected around your home.
Flexible ways to pay with Humm
0% interest finance for your new boiler.
Spread the cost of an eligible SwiftHeat boiler installation over 3, 6, 9 or 12 months with finance provided by Humm Group Limited. Apply directly with Humm after your survey, specification and SwiftHeat charges have been explained.
3 months0% interest · subject to approval
6 months0% interest · subject to approval
9 months0% interest · subject to approval
12 months0% interest · subject to approval
Important information: Finance is subject to application, status, eligibility and Humm Group Limited’s terms. SwiftHeat requires a 20% deposit and charges a separate administration fee; both are explained during your enquiry and confirmed before you apply. Humm’s supplied information states a £0 application fee. A £7 late-payment fee may apply.
Air source heat pumps • Cardiff & South Wales
A lower-carbon heating plan starts with the home.
Before equipment is selected, we consider the property’s heat loss, available space, hot-water needs and how each room will emit heat at a lower flow temperature. SwiftHeat UK can guide the early assessment and develop an eligible installation route with our MCS-certified partner.
- Room-by-room heat-loss assessment
- Radiator, cylinder and control review
- System design explained in plain English
The SwiftHeat way
Assess First.
Recommend Second.
Every home is different. We listen, assess what you actually need and explain the options clearly — so you can choose with confidence.
Straightforward recommendationsClear options without unnecessary complexity.
Quality workmanshipInstalled properly and backed by meaningful guarantees.
Local care, wider reachKeeping homes warm across Wales and the UK.
PROUD TO BE DISABILITY CONFIDENT COMMITTED
SwiftHeat UK is proud to be a Disability Confident Committed employer as part of the UK Government’s Disability Confident scheme. This reflects our commitment to inclusion, equal opportunities and supporting disabled people and those living with long-term health conditions.
Proud to be associated with Cardiff City Football Club
Ready when you are
Get your free heating quote.
Tell us what you need and the SwiftHeat team will contact you. No obligation, just clear advice.
Work completed by Gas Safe registered engineersSwiftHeat UK • Reg. No. 978273