In March, Ireland's homes felt an old and familiar shock returning: the price of heating oil climbed to a level not seen since the Central Statistics Office began publishing detailed figures in 1996, and the wider cost of living rose with it. Behind the numbers lies a distant conflict in the Gulf and a narrow shipping passage that many depend on, reminding ordinary households how far their warmth and mobility are tied to events they cannot see. The question now hanging over the coming months is whether the fragile calm in the Middle East will reopen those waters soon enough to ease what the wi
Home-heating oil hits its highest price since CSO records began in 1996 as Irish inflation rises to 3.6%
Households face sharply higher energy costs amid broader cost-of-living pressures.
The huge jump in inflation was driven entirely by oil prices
Mark
Why does heating oil in particular stand out here?
Mimi
Because it's the biggest single driver. It added 0.52 percentage points to the 3.6 percent inflation rate, more than diesel at 0.27 and petrol at 0.11.
Mark
And it's a record?
Mimi
By the CSO's detailed sub-indices, yes. March 2026 is the highest since they began publishing them in 1996.
Luke
Worth being precise: the record is for the index, which tracks price trends over time, not necessarily the raw cost per litre in every year.
Mark
Fair. How does this compare with 2022?
Mimi
The annual rise of 63.3 percent is the largest since September 2022, when prices were up almost 84 percent after Russia invaded Ukraine.
Mark
Is this all about energy?
Mimi
Largely. RSM's Thomas Pugh says excluding energy, inflation actually dipped to 2.8 percent from 2.9 percent.
Luke
That's one economist's reading, though the CSO's contribution figures point the same way. What nobody can say yet is how April will go.
Mimi
Pugh expects some easing as the excise cut and lower energy prices reach pumps, but he ties anything beyond that to Hormuz transit resuming.
Luke
And the excise cut expires at the end of May. What happens then is simply not in the reporting.
Le Pouls
- Heating oil leapt 67.5 percent in a single month, a jolt that pushed household energy bills to their highest point in three decades.
- Inflation climbed to 3.6 percent, its highest pace since January 2024, while motor fuel prices swung from falling to up more than 10 percent.
- Economists are watching the Strait of Hormuz closely, since shipments through it must resume before Gulf production and damaged infrastructure can recover.
- Relief is expected in April as a ceasefire and excise cuts reach the pumps, but the excise cuts end in late May and the path beyond that remains uncertain.
In March, Ireland's homes felt an old and familiar shock returning: the price of heating oil climbed to a level not seen since the Central Statistics Office began publishing detailed figures in 1996, and the wider cost of living rose with it. Behind the numbers lies a distant conflict in the Gulf and a narrow shipping passage that many depend on, reminding ordinary households how far their warmth and mobility are tied to events they cannot see. The question now hanging over the coming months is whether the fragile calm in the Middle East will reopen those waters soon enough to ease what the winter has already made heavy.
In March, a litre of home-heating oil in Ireland cost more than at any point since the Central Statistics Office began publishing detailed price indices in 1996. It rose 67.5 percent in a single month and now stands more than 63 percent above a year ago. For households already stretched, the jump landed heavily.
The pressure reached well beyond the oil tank. Diesel averaged €2.05 a litre and petrol €1.88, both at their highest since August 2022, before the Government cut excise duty on fuel. Together these movements lifted the Consumer Price Index to 3.6 percent, the highest annual rate since January 2024. Heating oil alone accounted for more than half a percentage point of that rise.
Economists see a fragile path ahead. The fall in energy prices after a Middle East ceasefire, along with the tax cut, should ease inflation somewhat in April. But the longer outlook depends on whether shipping through the Strait of Hormuz truly resumes, and on how quickly Gulf producers and damaged energy infrastructure can recover. The excise cuts expire at the end of May, and by then fuel prices may have eased, if oil holds at current levels.
In March, a litre of home-heating oil in Ireland cost more than it ever has since the Central Statistics Office began publishing detailed price sub-indices in 1996. Its price rose 67.5 percent in a single month and is now up more than 63 percent on a year ago. The figures, released by the CSO, show how sharply energy costs have hit households.
The pressure was not confined to the oil tank. Before the Government cut the excise duty on fuel, the national average price of diesel stood at €2.05 a litre, up 31 cent since February. Petrol averaged €1.88, up 13 cent over the same month. Both were at their highest since August 2022.
Those movements pushed the Consumer Price Index up 3.6 percent between March 2025 and last month, compared with an annual rise of 2.7 percent in the twelve months to February. It is the highest annual rate of inflation since January 2024, when it was 4.1 percent.
The CSO broke down how much each fuel contributed. Home-heating oil added 0.52 percentage points to the overall rate, diesel 0.27 and petrol 0.11. Anthony Dawson, a statistician in the CSO's prices division, said the March 2026 price index for home-heating oil was the highest since detailed sub-indices were first published in 1996.
The annual increase of 63.3 percent for heating oil is the largest since September 2022, in the wake of the energy surge caused by Russia's invasion of Ukraine. In that month prices were up almost 84 percent year on year.
Thomas Pugh, chief economist at RSM Ireland, said the jump was driven entirely by oil. Motor-fuels inflation moved to 10.6 percent from -3.1 percent, and heating-oil inflation to 63.3 percent from -7.3 percent. Strip out energy products, he noted, and inflation actually eased slightly, to 2.8 percent from 2.9 percent.
Looking ahead, Pugh said the fall in energy prices after the announcement of a ceasefire in the Middle East, together with the Government's excise cut, means inflation will probably hover around this level in the coming months. He expects it to ease a little in April as lower energy prices and tax cuts reach the pumps.
Beyond April, he said, the outlook depends on whether the ceasefire actually resumes transit through the Strait of Hormuz. Two weeks may not be enough for many Gulf countries to restart production that was shut in, and repairs to damaged energy infrastructure will take months or years rather than weeks. The excise cuts are due to expire at the end of May, and Pugh said fuel prices should have eased somewhat by then if oil prices hold at current levels.
Citations marquantes
In March 2026 the price of home heating oil was at its highest level since the CSO started publishing detailed sub-indices in 1996.— Anthony Dawson, statistician, CSO prices division
Excluding energy products, inflation fell to 2.8pc from 2.9pc.— Thomas Pugh, chief economist, RSM Ireland
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