According to the search results, the average price of 500 litres of home heating oil in Northern Ireland is £381.69 as of October 13, 2023. However, it is important to note that fuel prices may vary by location. The Consumer Council of Northern Ireland provides a Home Heating Oil Price Checker tool that enables consumers to compare fuel prices across Northern Ireland for 300 litres, 500 litres, and 900 litres by area. It is also worth noting that the price of 500 litres of home fuel has been falling steadily week-by-week since January 26, 2023, when 500 litres cost an average of £454.35 in Northern Ireland.