The annual rate of inflation fell to 2.5% in December, down from 2.9% in November.
It continues the overall downward trend since hitting a peak of nearly 7% in September 2011.
Food, tobacco, travel and house prices are amongst the categories to see costs increase over the past 12 months.
In more detail fish, lamb, vegetables and soft drinks are some the biggest risers along with air fares, furnishings, CDs and cigarettes.
Looking to keep household food costs down - try eating pork, bacon and milk products.
Other comparative bargains over the past year - toys, photography, sports goods, shoes and women's clothing.
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