Boiler Replacement Dublin
Upgrade your home heating with Ireland's trusted RGI-registered engineers. We specialize in same-day A-rated gas boiler replacements, combi conversions, and oil-to-gas upgrades across Dublin, Kildare, Meath, and Wicklow—backed by up to 10-year manufacturer warranties and fixed upfront pricing.
Get Your Fixed Quote Today
Pre-selected for New Boiler Installation
A standard gas boiler replacement in Dublin typically costs between €2,300 and €3,800 supplied and fitted (including 13.5% VAT), depending on boiler output, flue configuration, and system flushing. Most straight-swap condensing boiler installations are completed in 6 to 8 hours with full RGII Declaration of Conformance sign-off.
What's Included in Our Boiler Replacement Dublin Service
- Worcester Bosch & Viessmann A-rated (94%+ efficiency) condensing boilers
- Full chemical system flush and magnetic central heating filter installation
- Up to 10-year parts and labour manufacturer warranty registration
- Complete oil-to-gas and cylinder-to-combi heating conversions
- Official RGII Declaration of Conformance & SEAI grant documentation
- Safe decommissioning and eco-friendly disposal of your old boiler
Need Urgent Advice or Same-Day Dispatch?
Speak directly with our RGI engineering desk or fill in the 60-second quote calculator at the top of this page.
Our 4-Step Engineering Process
Free Survey & Fixed Written Quote
We assess your heat load, water pressure, and flue routing with no hidden charges and issue a fixed, all-inclusive price.
System Flush & Safe Decommissioning
We safely isolate gas/water mains, remove your aging boiler, and flush corrosive magnetite sludge from your pipework.
Precision RGI Installation
Our RGI-certified engineers (#3148) fit your new A-rated boiler, magnetic filter, and smart heating controls.
Flue Gas Analysis & Handover
We balance all radiators, test combustion efficiency, register your 10-year warranty, and issue your RGII safety certificate.
Frequently Asked Questions
How long does a gas boiler replacement take in Dublin?
A standard like-for-like gas boiler replacement takes 6 to 8 hours, meaning your heating and hot water are fully restored on the very same day. Full oil-to-gas or combi conversions typically take 1.5 to 2 days.
How much does a new gas boiler cost in Dublin?
Supplied and fitted A-rated gas boiler replacements in Dublin generally range from €2,300 to €3,800 including VAT, magnetic filter, chemical flush, and RGII certification. We provide a fixed upfront quote before any work starts.
Can I claim the €700 SEAI grant when replacing my boiler?
While SEAI does not grant-fund standalone fossil fuel boilers, homeowners in pre-2011 homes can claim the €700 SEAI Heating Controls Grant when upgrading to multi-zone smart thermostats and motorized valves alongside their boiler replacement.
Is a boiler replacement survey and quote free?
Yes. All boiler replacement surveys and written quotations across Dublin, Kildare, Meath, and Wicklow are 100% free with zero obligation and no hidden charges.
Helpful Homeowner Guides & Cost Breakdowns
Ready to Book Your Boiler Replacement Dublin?
Complete our quick online form for a fast callback and fixed price quote, or call our 24/7 dispatch line right now.