Oil prices in Northern Ireland have reached their lowest point since the Iran crisis began, with the average price of 500 litres of home heating oil dropping below £400. This significant drop from the peak of almost £630 in April is attributed to the anticipation of a deal between the US and Iran, which has since been announced. The Brent crude price, a key indicator, has fallen from around $120 a barrel during the crisis to just above $80 a barrel on Tuesday morning. This reduction in oil prices has had a ripple effect on the cost of petrol and diesel, with the average price of a litre of unleaded falling from 154p to just under 151p, and diesel prices dropping from 188p to 169p. The drop in oil prices is also linked to a glut of oil production, with prices before the conflict as low as $65 a barrel. This is a welcome relief for consumers, particularly lower-income households, which use oil for heating and are due to receive a £100 grant later this year. However, the unregulated nature of the heating oil market means that prices can fluctuate significantly, and analysts warn that every $10 increase in the oil price can push up pump prices by around 7p a litre. This volatility highlights the importance of monitoring oil prices and their impact on the cost of living for Northern Ireland residents.