There are now more than 20.4m households in the UK with digital TV equipment connected to their main television.
Freeview-only conversions numbered 670,000, taking the total number of Freeview-only homes to 8.37m.
This is just behind Sky's 8.49m customers, although Freeview recently argued it is leading when Sky's Republic of Ireland customers are discounted.
Ofcom estimates that there are around 885,000 free-to-view digital satellite homes, which brings the total number of free-to-view digital households to 9.3m.