New Boiler Installationin Barry &Vale of Glamorgan
Replace your old, inefficient boiler with a modern energy-rated system — fitted in as little as one day, backed by up to 12 years of manufacturer warranty, and installed by a Worcester Bosch accredited engineer.
26+ five-star reviews · Gas Safe Reg. 594173 · Worcester Bosch Accredited Installer
9+
Years Experience
500+
Boilers Installed
12yr
Max Warranty
1 Day
Typical Install
100%
Gas Safe Compliant
What Is a Boiler Installation and When Do You Need One?
A boiler installation involves removing your existing heating system and replacing it with a brand-new, energy-efficient unit. This includes disconnecting and safely disposing of the old boiler, fitting the new appliance, connecting it to your existing pipework, and commissioning it to manufacturer specifications.
You may need a new boiler if your current system is over 10 years old, breaks down regularly, heats your home unevenly, or causes your energy bills to spike every winter. Modern condensing boilers operate at 90%+ efficiency compared to 60–70% for older models — meaning you could save hundreds of pounds per year on gas bills.
A new installation is also essential when converting from a back boiler or older floor-standing unit to a wall-mounted combi or system boiler. Whether you are renovating your property, extending your home, or simply want more reliable heating and hot water, a professionally installed boiler transforms how your home performs.
At JR Heating Services, every installation is carried out by Gas Safe registered engineers using Worcester Bosch equipment. We handle the entire process — from the initial survey through to commissioning and warranty registration — so you do not have to coordinate multiple tradespeople.

Worcester Bosch Accredited
The UK's Most Trusted Boiler Range
We install the full Worcester Bosch Greenstar range — including the Greenstar 4000, 8000 Life, and the premium Style in black or white. Every model delivers A-rated efficiency, whisper-quiet operation, and award-winning reliability.
- Greenstar 4000 — compact combi, ideal for smaller homes
- Greenstar 8000 Life — premium efficiency for larger properties
- Style — designer boiler in black or white finish
- All models compatible with smart heating controls

Affordable Heating
0% Interest-Free Finance on New Boilers
Don't let cost hold you back from reliable heating. Spread the cost of your new boiler over affordable monthly payments with our 0% interest-free finance — available on qualifying Worcester Bosch installations across Barry, Cardiff, and the Vale of Glamorgan.
- 0% interest — pay no more than the cash price
- Flexible repayment terms to suit your budget
- Quick, simple online application
- Up to 12-year manufacturer warranty included
- Subject to status — T&Cs apply



Premium Design
Worcester Bosch Style — A Boiler You'll Want to Show Off
The Greenstar Style combines top-tier performance with a sleek, modern design. Available in black or white, this premium boiler looks as good as it performs — making it perfect for open-plan kitchens and utility spaces where appearance matters.
- A-rated efficiency with hydrogen-blend ready technology
- Ultra-quiet operation — won't disturb your household
- Smart controls compatible via the Bosch EasyControl app
- Up to 12-year warranty with accredited installation
What Happens If You Delay Replacing Your Old Boiler?
An ageing boiler does not just cost you more to run — it becomes a safety risk. Older units are more prone to carbon monoxide leaks, which are undetectable without an alarm and can be fatal. The longer you leave an inefficient boiler running, the higher the chance of a complete breakdown during the coldest months of the year.
Many homeowners make the mistake of patching up an old boiler with repeated repairs. Each repair adds cost, and replacement parts for discontinued models become harder to source and more expensive. In most cases, the cumulative cost of two to three repairs exceeds the price difference of installing a new, warrantied unit.
Delayed replacement also means continued energy waste. An old G-rated boiler can cost you £300–£500 more per year in gas compared to an A-rated condensing boiler. Over five years, that is up to £2,500 wasted — money that could have gone towards a new installation with finance options available.
There is also the inconvenience factor. A boiler that cuts out mid-shower, leaves your radiators cold on winter mornings, or takes 20 minutes to produce hot water is not something you should tolerate when a reliable alternative exists.
Our Process
How It Works
Free Home Survey
We visit your property, assess your current system, measure your heat loss requirements, and recommend the right boiler for your home size, usage pattern, and budget.
Fixed-Price Quote
You receive a written, itemised quote with no hidden costs. We explain every line so you know exactly what you are paying for — and why.
Scheduled Installation
We book a date that works for you. Most standard boiler swaps are completed within one day. Complex installations with pipework changes may take two days.
Professional Fitting
Our Gas Safe registered engineer removes your old boiler, fits the new unit, connects all pipework, installs the flue, and wires in new controls or a smart thermostat if required.
Commissioning & Handover
We commission the boiler to manufacturer specifications, register your warranty (up to 12 years), test every radiator, and walk you through the controls before we leave.
Benefits
Why This Matters
Lower Energy Bills
A-rated condensing boilers recover heat from flue gases, cutting your gas consumption by up to 30% compared to older models.
Up to 12-Year Warranty
As Worcester Bosch accredited installers, we can offer extended manufacturer warranties — giving you long-term peace of mind.
One-Day Installation
Most like-for-like boiler replacements are completed in a single day with minimal disruption to your household.
Full System Upgrade
We do not just swap the boiler — we assess your entire heating system and recommend improvements to controls, pipework, and radiators.
Smart Controls Included
We can fit wireless smart thermostats so you control your heating from your phone — saving even more on energy costs.
Finance Available
Spread the cost of your new boiler with affordable monthly payments. Interest-free options available on qualifying installations.
Boiler Types, Brands & Technical Considerations
The three main boiler types we install are combi boilers, system boilers, and heat-only (regular) boilers. Combi boilers are the most popular choice for homes with one bathroom — they heat water on demand and do not require a separate hot water cylinder. System boilers are ideal for larger homes with multiple bathrooms, as they work with a sealed hot water cylinder to deliver consistent pressure across several outlets simultaneously.
Heat-only boilers are typically found in older properties with gravity-fed systems. While we can replace these like-for-like, we often recommend upgrading to a combi or system boiler for improved efficiency and space savings. We will always advise you on the best option based on your property layout, water pressure, and usage habits.
As Worcester Bosch accredited installers, our primary range includes the Greenstar 4000, Greenstar 8000 Life, and Greenstar CDi Classic. Each model offers A-rated efficiency, quiet operation, and robust build quality backed by one of the most trusted names in UK heating. We can also fit Ideal, Vaillant, and Baxi boilers if you have a specific preference.
Every installation includes a magnetic system filter to protect the new boiler from sludge and debris, a system flush to remove existing contaminants, and new thermostatic radiator valves where needed. We also install condensate pipes, upgrade flue systems, and relocate boilers to more convenient positions within your home if required.
For landlords, we offer boiler installations that include gas safety certification, ensuring your property meets all legal requirements from day one. We also provide ongoing service plans to keep your investment protected year after year.
We serve Barry (CF62, CF63), Cardiff, Penarth, Bridgend, Cowbridge, Pontypridd, and all surrounding areas in the Vale of Glamorgan. Whether you live in a terraced house, semi-detached, detached, or a flat — we have installed boilers in every property type across South Wales.
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