Boiler replacement · Castleknock
Boiler Replacement in Castleknock
Castleknock and the estates around the Phoenix Park end of Dublin 15. Tell us what you have now and one Registered Gas Installer who covers the area rings you with a price.
Free, no obligation. One registered engineer prices it, not five.
- 15,780homes in Castleknock
- 76%heat with gas
- 30%built before 1981
- 81%are houses
How much is a new boiler in Castleknock?
A new gas combi fitted in Castleknock is €1,995–€6,200, typically about €2,800. A system boiler is €1,895–€4,900, and a back boiler or old system to combi €3,100–€6,500.
Homes in Castleknock, and the boilers they need
30% of homes in Castleknock were built before 1981 and 9% since 2011, close to the Dublin mix of 49% and 8%. Most boilers here are wall-hung gas boilers in a kitchen or utility room.
Gas heats 76% of homes in Castleknock, against 70% across Dublin. Every one of those boilers should be serviced once a year by a Registered Gas Installer.
12% heat with oil. An oil boiler is serviced by an oil technician, not a gas installer, and the tank and its lines get checked at the same visit.
Replacing a boiler in Castleknock: a gas combi fitted is €1,995–€6,200, typically about €2,800. The size, the flue and whether the boiler moves decide where you land.
New boiler prices in Castleknock
Typical prices. The engineer confirms the price before any work.
| Job | Typical price | What moves the price |
|---|---|---|
| Gas combi boiler, supplied and fitted | €1,995–€6,200 | Size and make. A like-for-like swap in the same spot is the low end. |
| Gas system boiler, supplied and fitted | €1,895–€4,900 | For homes with a hot water cylinder. A new cylinder is extra. |
| Back boiler or regular system to combi | €3,100–€6,500 | The cylinder and tanks come out, pipes are changed, often the boiler moves. |
| Combi, 24 to 25 kW (apartment, small house) | €2,150–€3,290 | Up to about 10 radiators and one bathroom. |
| Combi, 28 to 30 kW (3-bed semi) | €2,320–€3,390 | The usual size for a 3-bed with one or two bathrooms. |
| Combi, 35 kW (bigger house) | €2,470–€3,990 | More radiators and a stronger shower flow. |
| Moving the boiler to a new spot | €500–€1,500 | Short moves on the same wall are the low end. A new room, with a new flue and gas run, is the top. |
Ask whether VAT is included, and what's in the package: filter, controls, a power flush and the certificate.
New boilers, by job
What each job costs, what's involved and how long it takes.
Free quote
Get a price for a new boiler
Three taps about the boiler you have now. One Registered Gas Installer who covers your area rings you with a fixed price.
Castleknock: questions
Do you cover all of Castleknock?
Yes. We pass your request to one registered engineer who covers Castleknock.
How many homes in Castleknock heat with gas?
76%, in the CSO's census figures. 12% heat with oil and 11% with electricity.
How old are the homes in Castleknock?
30% were built before 1981 and 9% since 2011, in the CSO's census figures.
New boilers across Dublin
- Swords16,020 homes, 74% gas, 14% oil
- Malahide and Howth24,215 homes, 71% gas, 17% oil
- Balbriggan13,563 homes, 69% gas, 20% oil
- Rush and Lusk12,705 homes, 52% gas, 30% oil
- Castleknock15,780 homes, 76% gas, 12% oil
- Blanchardstown and Mulhuddart12,040 homes, 75% gas, 5% oil
- Ongar and Clonsilla13,276 homes, 80% gas, 6% oil
- Lucan17,258 homes, 83% gas, 8% oil
- Palmerstown and Fonthill7,328 homes, 80% gas, 11% oil
- Clondalkin17,424 homes, 69% gas, 14% oil
- Tallaght26,585 homes, 68% gas, 11% oil
- Firhouse and Bohernabreena12,198 homes, 74% gas, 13% oil
- Rathfarnham and Templeogue19,469 homes, 74% gas, 19% oil
- Dundrum11,905 homes, 79% gas, 10% oil
- Stillorgan11,571 homes, 76% gas, 10% oil
- Blackrock12,422 homes, 76% gas, 8% oil
- Dún Laoghaire17,821 homes, 75% gas, 7% oil
- Killiney and Shankill14,031 homes, 72% gas, 14% oil
- Sandyford and Dublin 1817,360 homes, 77% gas, 11% oil
- Ballsbridge and Sandymount18,837 homes, 64% gas, 4% oil
- Dublin 2 and the south inner city17,168 homes, 50% gas, 1% oil
- Dublin 818,080 homes, 52% gas, 1% oil
- Rathmines and Kimmage24,461 homes, 69% gas, 6% oil
- Ballyfermot and Drimnagh17,970 homes, 79% gas, 4% oil
- Dublin 1 and the north inner city27,329 homes, 44% gas, 2% oil
- Cabra and Glasnevin24,635 homes, 64% gas, 6% oil
- Finglas and Ballymun20,313 homes, 80% gas, 6% oil
- Artane and Whitehall18,213 homes, 77% gas, 8% oil
- Clontarf21,671 homes, 75% gas, 7% oil
- Donaghmede16,842 homes, 78% gas, 7% oil
Get a price for a new boiler in Dublin
One registered engineer rings you. Free, no obligation.