BRITISH consumers turned less optimistic this month as the sterling’s slump began to eat into their disposable income, according to two surveys Friday which will raise concerns about the strength of future spending growth.

    Britain’s economy has performed better than most forecasts since June’s referendum decision to leave the European Union, in large part thanks to strong consumer spending.

    But finance minister Philip Hammond warned late Thursday that did not mean the economy would dodge a slowdown next year.

    Market research firm GfK said sentiment fell for the first time since the immediate shock of the Brexit vote. Its consumer confidence index dropped to -3 in October from -1 in September.

    “Despite the continuing feel-good factor arising from persistent low interest and inflation rates, the sterling’s sharp decline is arguably stoking fears that price rises will hit U.K. living standards hard next year,” GfK analyst Joe Staton said.

    A similar survey by polling firm YouGov showed the weakest confidence since July and the view of households of their finances showed the biggest deterioration since December 2014.

    The sterling has lost almost 20 percent of its value against the U.S. dollar since the referendum. British inflation rose to 1 percent in the year to September and could hit 3 percent by the end of next year, many economists say.

    Separate figures from supermarket chain Asda showed that households’ disposable income — after tax, housing, food and other bills — rose by the smallest amount in almost two years.

    Prices for essentials rose by the largest amount since November 2014, and the cost of imports was likely to increase further due to the weak pound, Asda said.

    (SD-Agencies)