Swords · K67 · Heating
Radiator and heating repairs in Swords
Fitting or replacing a radiator costs €150–€600 on published prices. A new central heating pump is €320 including VAT from The Dublin Plumber in Swords, and balancing the whole system €150–€300. Send the job and one local plumber who covers Swords rings you.
- A Swords plumber's own prices
- Prices re-read at source on 2 November 2026
- Gas boiler work by RGI installers only
The short answer
What does a heating repair cost?
Last checked 2 November 2026. Every price on this page was read again at its source that day.
Fitting or replacing a radiator costs €150–€600 on published prices. A new central heating pump is €320 including VAT from The Dublin Plumber in Swords, and balancing the whole system €150–€300.
| Job | Published price | Who says so |
|---|---|---|
| Fit or replace a radiator | €150–€600 | Four sources, below |
| Thermostatic radiator valve, fitted | €45–€75 | plumbersinireland.ie |
| Heating pump, valves fine | €320 incl. VAT | The Dublin Plumber, Swords |
| Heating pump, drain and new valves | €460 incl. VAT | The Dublin Plumber, Swords |
| Balance the whole system | €150–€300 | plumbersinireland.ie |
| Power flush, three-bed, up to 10 radiators | €450–€750 | Cortech Plumbing |
| Power flush, 1–8 radiators, with boiler service | €1,299 incl. VAT | Stillorgan Gas |
| Whole house resized and balanced | €1,800–€4,000 | plumbersinireland.ie |
What's wrong
Which radiator problem have you got?
What you see tells the plumber what the job is.
- Cold at the topAir in the radiator. Bleed it with the heating off. If it keeps coming back, the system is drawing air in somewhere.
- Cold at the bottomSludge has settled in it. One radiator can be taken off and flushed. Several means the system needs cleaning.
- All of them coldThe boiler, the pump or the controls. A pump that hums but doesn't move water is a common one, from €320 fitted in Swords.
Leaking at a valve? Put a bowl under it, and say so in the form.
Swords homes
How Swords heats
78% of Swords homes heat with natural gas, 11% with oil and 9.1% with electricity (CSO Census 2022, CSO Census 2022, small area statistics). Radiators, valves, pumps and pipework are plumbing jobs whatever the fuel. Work on a gas boiler or gas pipe is only for a Registered Gas Installer.
For a yearly gas or oil boiler service, our sister site has a guide to boiler servicing in Swords, with what the engineers who cover Swords publish.
Prices
Every published radiator and heating price
| Who publishes it | Job | Price | VAT | Source |
|---|---|---|---|---|
| Cortech PlumbingTallaght | New radiator supplied and fittedPer radiator, including valves and pipework changes. | €180–€350 | not stated | cortechplumbing.ie |
| The Dublin PlumberSwords | Central heating pump replacement ('A' rated), valves not leaking | from €320 | incl. VAT | thedublinplumber.ie |
| The Dublin PlumberSwords | Central heating pump replacement ('A' rated), system drained + new isolation valves | from €460 | incl. VAT | thedublinplumber.ie |
| Stillorgan GasStillorgan | Power flush (1-8 radiators) + free gas boiler serviceIncludes a free gas boiler service. | €1,299 | incl. VAT | stillorgangas.ie |
| plumbersinireland.ie (guide)Dublin | Radiator install - single like-for-like swapLabour, plus the price of the radiator. | €150–€280 | incl. VAT | plumbersinireland.ie |
| plumbersinireland.ie (guide)Ireland | Radiator replacement (labour, per radiator)Labour, per radiator. Radiator priced separately. | €150–€300 | not stated | plumbersinireland.ie |
| plumbersinireland.ie (guide)Ireland | Radiator balancing (full system) | €150–€300 | not stated | plumbersinireland.ie |
| OnlineTradesmen.ie (guide)Ireland | Radiator installation / replacementFrom a 2025 guide. | €180–€525 (avg €225) | + VAT | onlinetradesmen.ie |
| TradeSource Ireland (guide)Ireland | Radiator installation | €250–€600 | not stated | tradesourceire.ie |
FAQ
Heating questions
How much does it cost to replace a radiator in Swords?
€150–€600 across published Dublin prices. plumbersinireland.ie puts a single like-for-like swap in Dublin at €150–€280 plus the radiator, and a new thermostatic valve (TRV) at €45–€75 fitted (plumbersinireland.ie: radiators in Dublin).
How much is a new central heating pump?
The Dublin Plumber, in Melrose Park, Swords, charges from €320 including VAT for an A-rated pump when the valves on either side aren't leaking, and from €460 if the system has to be drained to fit new isolation valves (The Dublin Plumber: prices).
How much is a power flush?
Cortech Plumbing says €450 to €750 for a standard three-bed home with up to ten radiators (Cortech Plumbing: Dublin costs). TradeSource Ireland gives €400–€900 (TradeSource Ireland: plumber costs 2026). Stillorgan Gas charges €1,299 including VAT for 1 to 8 radiators, with a gas boiler service included.
Why is my radiator cold at the top?
Usually air. Bleed it with a radiator key with the heating off, then check the boiler pressure if you have a sealed system. Cold at the bottom and warm at the top points at sludge, which is where flushing comes in. If every radiator is cold, it's the boiler, the pump or the controls.
Free quote
Send the heating job to one local plumber
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Where these numbers come from (1 public source, checked 2 November 2026)
Sources (7)
Prices and facts on this page were checked against these published pages. We are not connected to these businesses.
- plumbersinireland.ie: plumbersinireland.ie
- The Dublin Plumber, Swords: thedublinplumber.ie
- plumbersinireland.ie: plumbersinireland.ie
- Cortech Plumbing: cortechplumbing.ie
- Stillorgan Gas: stillorgangas.ie
- onlinetradesmen.ie: onlinetradesmen.ie
- tradesourceire.ie: tradesourceire.ie