David Tennant’s two personal companies have grown to be worth more than £3.3million, accounts filed with Companies House this month reveal.The former Doctor Who star, 49, has appeared in several TV dramas, including the ITV hit Broadchurch, since stepping down as the Time Lord in 2010.His income also received a big boost from a TV advertising deal with Virgin Media.The latest accounts for his firm Sandyboy Limited show it has assets worth £3,803,949, which includes a £3million property