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Boiler Replacement Cost Calculator

Replacing a gas boiler in Dublin typically costs €2,800–€4,500 installed. Changing the system type or adding a new hot water cylinder adds to the cost.

  • Typical €2,800–€4,500 installed
  • Hot water options explained
  • RGII-registered installers only
  • Free quotes
Estimate my cost Get free quotes Call 083 056 8710

Emergency Trade is independent and not part of SEAI or any council. Always confirm details with the official source before applying.

What affects the cost

  • Boiler type and output
  • Moving the boiler to a new location
  • Changing system type, for example to a pressurised hot water system
  • Flue and pipework changes
  • Heating controls, which can qualify for a €700 SEAI grant

Cost calculator

Get a guide range based on typical 2026 Dublin prices.

A guide only. Your quote will depend on your property, access and the specification you choose.

Safety

Gas boilers must be installed by an RGII-registered installer, who will certify the work. Consider whether a heat pump would suit your home instead.

Frequently asked questions

How much does a new boiler cost in Dublin?

Typically €2,800–€4,500 installed.

Is there a grant for a new gas boiler?

No, but there's a €700 SEAI grant for heating controls, and grants for heat pumps.

How long does a boiler replacement take?

Usually one to two days.

Find vetted contractors for this work

By area:

  • Dublin 15: Blanchardstown, Castleknock, Mulhuddart, Ongar, Hansfield, Ashtown
  • West Dublin & Leixlip: Chapelizod, Palmerstown, Lucan, Leixlip, Adamstown, Clondalkin
  • Dún Laoghaire & South Coast: Blackrock, Booterstown, Monkstown, Dún Laoghaire, Dalkey, Killiney
  • North Dublin City: Artane, Cabra, Clontarf, Coolock, Drumcondra, East Wall, Fairview, Glasnevin, Phibsborough, Stoneybatter
  • South West Dublin: Tallaght, Citywest, Firhouse, Knocklyon, Ballyboden, Templeogue, Walkinstown, Kimmage, Rathfarnham, Terenure
  • South Dublin City: Ballsbridge, Donnybrook, Sandymount, Ranelagh, Rathgar, Harold's Cross, Churchtown, Dundrum
  • Stillorgan, Sandyford & Foxrock: Mount Merrion, Stillorgan, Goatstown, Sandyford, Cherrywood, Cabinteely, Foxrock, Deansgrange
  • Dublin North Coast: Raheny, Baldoyle, Donaghmede, Howth, Sutton, Portmarnock, Malahide
  • North County Dublin: Swords, Lusk, Rush, Skerries

Get free quotes from vetted contractors

Tell us what you're planning, where the property is and when you'd like to start. We'll match you with a vetted local contractor. For anything urgent, call 083 056 8710.

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