Gas and heating

Gas fire and stove installation

Fitting or replacing a gas fire or gas stove, and proving the flue is sound.

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Whether this needs a licence in Ireland

Ireland

Licence required

Registered Gas Installer (RGI)

Registered Gas Installer (RGI), issued or supervised by the Commission for Regulation of Utilities. Ask for the registration number before the work starts and check it on the public register. Check the register: www.rgi.ie

Wording approved by Talqero; not yet reviewed by a solicitor

Commission for Regulation of Utilitieswww.rgi.ieChecked 11/10/2026

Gas fire and stove installation: what the job involves

Fitting, replacing or removing a gas fire or gas stove, natural gas or LPG, including checking the flue or chimney, ventilation and a carbon monoxide alarm. Only a Registered Gas Installer may do it.

Also asked for as: gas fire fitted · gas fire installation · gas stove installer · remove gas fire · gas fire service

How the job is usually done

Inspect the fireplace, chimney or flue and decide which type of fire it can take: open-flued, balanced flue or flueless.
Check for a back boiler or old appliance that must be removed and capped safely.
Carry out flue tests (spillage and flow) and check ventilation requirements.
Run or adapt gas pipework to the appliance and install it to the manufacturer’s instructions.
Commission the fire, test for spillage and gas tightness, and fit or check the carbon monoxide alarm.
Issue the Declaration of Conformance and show you how to use the fire safely.

Gas fire and stove installation: what is included

Usually included

Removing the old gas fire
Flue and spillage testing
Connecting and commissioning the new fire
Declaration of Conformance

Usually not included — agree it separately

Chimney sweeping or lining
A new fireplace surround, hearth or building work
Removing a back boiler and changing the heating system around it

Materials and who supplies them

The fire or stove, often chosen by the customer
Gas fittings, flue components and the carbon monoxide alarm, supplied by the installer

How long it takes

Usually half a day for a like-for-like fire; a full day or more where a new flue, liner or gas run is needed.

When to book

Book before the autumn rush and get the chimney swept first if the fire is going into an old fireplace.

Gas fire and stove installation: the rules in Ireland

What the official sources say, checked against them on the date shown. A summary, not legal advice — follow the link to read the rule itself.

Only a Registered Gas Installer may install, replace, alter, repair or service a gas appliance or gas pipework in a home, whether natural gas or LPG. Every RGI carries a photo ID card renewed each year, and can be checked on the register.
Applies to: the installer, and the homeowner who engages one
Energy (Miscellaneous Provisions) Act 2006; Register of Gas Installers of Ireland for the Commission for Regulation of Utilities · rgi.ie · Checked 9 October 2026
An RGI must issue a Declaration of Conformance (completion certificate) for all gas works and give the customer the original copy as soon as the work is finished. A service, safety check, repair or appliance fit is recorded on a Cert 3; a boiler replacement on a Cert 2.
Applies to: the installer
Energy (Miscellaneous Provisions) Act 2006; Register of Gas Installers of Ireland · rgi.ie · Checked 9 October 2026
When a new or replacement open-flued combustion appliance (other than one used only for cooking) is installed, a carbon monoxide alarm to I.S. EN 50291 should be fitted in the room, with alarms near bedrooms as the guidance sets out.
Applies to: the installer and the homeowner
Building Regulations Part J, Technical Guidance Document J · gov.ie · Checked 9 October 2026
The Commission for Regulation of Utilities is the safety regulator for gas installers and supervises the RGI register.
Applies to: gas installers
Commission for Regulation of Utilities · cru.ie · Checked 9 October 2026

What gas fire and stove installation costs, and why

What jobs on Talqero came to

Not enough comparable jobs yet to publish a range here. Talqero shows a price range only once at least five comparable jobs, agreed prices or offers exist — a range from fewer would describe a handful of jobs, not the market. Post your job and compare the offers you get.

What affects the price

The type of fire and what the chimney or wall can take
Condition of the flue, and whether sweeping or lining is needed first
Length of the new gas supply run
Removing an old back boiler
VAT: work on a home is charged at the reduced 13.5% rate by a VAT-registered business, unless materials exceed two-thirds of the price; ask whether the quote includes it
VAT: building work on a home is charged at the reduced rate of 13.5% by a VAT-registered business — unless the materials come to more than two-thirds of the price, when Revenue’s two-thirds rule applies the goods rate to the whole job. Ask whether a quote includes VAT.

Paperwork to ask for at the end

Declaration of Conformance (Cert 3) for the appliance fit
Notice plate for the hearth or flue where one is provided
Manufacturer instructions and warranty

Safety

A gas fire needs a working flue and, depending on type, a permanent air vent that must never be blocked.
A carbon monoxide alarm in the room is essential, and expected by the Building Regulations for a new open-flued appliance.
Have the chimney swept before a gas fire goes into an old open fireplace.

Gas fire and stove installation: before you hire

Questions to ask a tradesperson

Will you test the chimney before fitting the fire?
Does this fire need an air vent in the room?
Will you fit a carbon monoxide alarm?
May I see your RGI card?

What you can do yourself

Not a DIY job: fitting, moving or removing a gas fire is gas work for a Registered Gas Installer.

What to put in your task

What do you want done?
What is behind the fire now?
Mains gas or LPG?
Have you bought the fire already?

Photos that help

The fireplace and existing fire
The chimney or flue outside, including the top
Where the gas pipe comes in near the fireplace

Gas fire and stove installation by county

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Questions about gas fire and stove installation

Does gas fire and stove installation need a licence in Ireland?

Yes. Registered Gas Installer (RGI), supervised by the Commission for Regulation of Utilities. Source: www.rgi.ie. Ask for the registration number and check it on the public register. Wording approved by Talqero; not yet reviewed by a solicitor.

Can I put a gas fire where there is no chimney?

Often yes, with a balanced-flue or flueless fire on an outside wall, subject to the installer’s checks on ventilation and room size.

Do gas fires need servicing?

Yes, they should be serviced regularly like a boiler, with a flue spillage test. A Declaration of Conformance should be left after each service.

What about my old back boiler?

Removing a back boiler means changing how the house is heated, so it is usually done with a new boiler. The RGI will cap off the gas safely.

Often booked with gas fire and stove installation

Heating engineers