Sterling titled lower for the fourth straight session against the dollar, following earlier data from Britain and the US, the world's largest economy.
As of 04:37 GMT, GBP/USD fell 0.25% to 1.2990 from the opening of 1.3022, with an intraday high at 1.3033, and a one-week low at 1.2933.
Earlier UK data showed retail sales up 0.9% last month, after falling 1.5% in May, while besting expectations of a 0.5% rise, while sales rose more than expected on a yearly basis as well, alongside core prices.
Otherwise, earlier US data showed a bigger than expected drop in weekly unemployment claims, while the Philly manufacturing index slid to 19.5 in July from 27.6, missing expectations of 23.4.