The pound has failed to rally despite progress in the UK's effort to begin post-Brexit trade talks.
Sterling fell half a cent against the dollar as the breakthrough was confirmed in Brussels, from above $1.35 to $1.3465.
It was also largely flat against the euro at €1.1460.
European Commission president Jean-Claude Juncker declared "sufficient progress" had been made in the first phase of Brexit talks to allow negotiations on future trade to begin later this month.
:: BREXIT LIVE: EU: Sufficient progress made
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It was the breakthrough that had been expected earlier in the week – only to be foiled because of wrangles over the Irish border.
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