Annual house price inflation was 10.2% in June, compared with 10.4% in May, according to the Office for National Statistics (ONS).
The rise was again driven mainly by London, where house prices increased by 19.3% over the year, a slight drop from the previous month's figure.
Excluding London and the South East, prices rose by 6.3% across the UK.
Prices were up in every region, including Northern Ireland, where they rose by 4.9%.
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