The average property price was £211,966, the building society said.
The Nationwide said it was likely that the recent slowdown in the market was due to “the impact of the uncertain economic outlook on buyer sentiment”.
It said this uncertainty among buyers was outweighing the otherwise positive backdrop of “solid employment growth, stronger wage growth and continued low borrowing costs”.
The last time the Nationwide’s annual price growth measure was weaker was in February 2013, when it registered zero growth.
Robert Gardner, Nationwide’s chief economist, said: “The economic outlook remains unusually uncertain.
“However, if the economy continues to grow at a modest pace, with the unemployment rate and borrowing costs remaining close to current levels, we would expect UK house prices to rise at a low single-digit pace in 2019.”
Samuel Tombs, chief UK economist at Pantheon Macroeconomics, said the slowdown was “a sentiment-led deterioration in house price growth, which chimes with the drop in measures of consumers’ confidence since November, when it became clear that the [Brexit] withdrawal agreement would not be ratified seamlessly”.
He added: “Looking ahead, increasing numbers of prospective house-buyers likely will wait a few months for Brexit uncertainty to fade, forcing sellers to lower asking prices to attract braver buyers in the interim. As a result, year-over-year declines in house prices in the near term should not be ruled out.”
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The prices are based on the local market. If there are 100 properties of the right size in an area and they are placed in price order with the cheapest first, the “low-end” of the market will be the 25th property, “mid-priced” is the 50th and “high-end” will be the 75th.