How Much Does a Gas Boiler Replacement Cost in Dublin? (2026 Price Guide)
Transparent pricing guide for gas boiler replacements, combi conversions, and system upgrades in Dublin.
David Murphy
Senior RGI Gas Engineer & Technical Director
Key Takeaways for Homeowners
Need an engineer today? Book below- Standard like-for-like gas boiler replacements in Dublin range from €2,300 to €3,800 including VAT.
- Converting from a conventional cylinder system to a Combi boiler costs more due to pipework alterations.
- Always ensure your written quote includes a magnetic system filter, chemical flush, and RGII certificate.
- We offer free, no-obligation surveys with no hidden charges across Dublin, Kildare, Meath & Wicklow.
2026 Dublin Boiler Replacement Pricing Tiers Explained
A straight swap (like-for-like replacement) of a standard heat-only or system gas boiler in the same location typically ranges from €2,300 to €2,950 supplied and fitted. This includes the A-rated boiler, standard horizontal flue, magnetic filter, chemical system flush, and RGII safety certification.
Converting from an older gravity-fed system (with an attic cold water tank and hot press cylinder) to a modern mains-pressure Combi boiler generally ranges between €3,100 and €3,850 due to the extra labour required to decommission the tanks and re-route hot and cold feeds.
Free No-Obligation Survey
We provide free, no-obligation on-site surveys and fixed-price written quotes across Dublin, Kildare, Meath, and Wicklow.
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Frequently Asked Questions
Are there hidden costs in boiler replacement?
With Dublin Plumbing & Gas, there are zero hidden costs. We provide a fixed, all-inclusive written quote upfront before any work starts.
Does the price include a magnetic filter?
Yes, all our boiler replacement quotes include a magnetic central heating filter and chemical flush to protect your heat exchanger and validate your 10-year warranty.
Speak with a Licensed RGI Gas Engineer Today
Whether the DIY fix didn't solve it or you want an upfront fixed quote, our engineers are on standby across Dublin, Kildare, Meath & Wicklow.
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