How Much Does a Gas Boiler Replacement Cost in Dublin? (2026 Price Guide)
Transparent pricing guide for gas boiler replacements in Dublin.
David Murphy
Senior RGI Gas Engineer & Technical Director
Key Takeaways for Homeowners
- Standard boiler replacements range from €2,400 to €3,800.
- Converting from a regular system to a combi boiler costs more due to pipework alterations.
- Always ensure the quote includes a magnetic system filter and chemical flush.
- We offer zero call-out fee assessments.
Pricing Tiers Explained
A straight swap (like-for-like) of a standard gas boiler typically starts around €2,400. This includes the boiler, flue, standard labor, and RGI certification.
Converting from an old system boiler (with a hot water cylinder) to a modern Combi boiler generally costs between €3,000 and €3,800 due to the additional plumbing work required to remove the old tanks and reroute the pipework.
Zero Call-Out Fee
We provide free, no-obligation on-site surveys and fixed-price transparent quotes across Dublin, Kildare, Meath, and Wicklow.
Frequently Asked Questions
Are there hidden costs in boiler replacement?
With Dublin Plumbing & Gas, there are no hidden costs. We provide a fixed, written quote upfront.
Does the price include a magnetic filter?
Yes, all our quotes include the installation of a magnetic filter to protect your new boiler and validate the warranty.
Speak with a Licensed RGI Gas Engineer Today
Whether you need urgent emergency repairs or an upfront quote for a boiler replacement, our team is available 24/7 across Dublin, Kildare, Meath & Wicklow.
More Helpful Guides
View All Articles
5 Signs Your Boiler Needs Replacing Before Winter
Don't wait until it breaks down in the middle of winter. Look out for these 5 critical warning signs that your boiler is on its last legs and costing you money on heating bills.
How to Prevent Frozen and Burst Pipes This Winter
A burst pipe can cause thousands of euros in water damage within minutes. Follow our practical, step-by-step checklist to winterize your home's plumbing system.
What to Do in a Plumbing Emergency: The Step-by-Step Guide
Panic is your worst enemy during an active leak or burst pipe. Learn the exact 5-step protocol to take to protect your home before your emergency plumber arrives.
Best Gas Boilers for Irish Homes: A Dublin Buyer's Guide (2026)
Comprehensive guide comparing Combi vs System boilers, Worcester Bosch vs Viessmann vs Ideal, SEAI grant eligibility (€700), and pricing.
How to Claim the €700 SEAI Heating Controls Grant in Ireland (2026 Guide)
Step-by-step breakdown of qualifying homes, zoned valve installation, smart thermostat compatibility, and RGI contractor sign-off.
How to Fix Low Water Pressure in Dublin Showers & Taps
Gravity-fed tank systems vs mains pressure, Stuart Turner booster pumps, negative head shower solutions, and sediment blockages.