For the month, prices from alcohol and air fares accelerated fastest while downward pressure came from miscellaneous goods and services and prices for clothing.
From the previous month, prices for alcohol and tobacco rose 4.3 percent, while food and non-alcoholic beverage prices rose 0.1 percent. For clothing and footwear, prices were down 5.4 percent.
ONS uses 2005 as a base year, assigning inflation that year a value of 100 for the Consumer Price Index. For January, the CPI for Britain stood at 124.4, ONS said.