http://www.whitbyseaanglers.co.uk/forum/index.php?topic=27828.msg230182;topicseen#msg230182
They're all Sparrowhawks. The reddish fronted one is a male the others are females. Females are often brownish on the back. Adult Goshawks have orange eyes and juveniles have different plumage.
Sparrowhawks are common garden visitors. Goshawks aren't.
Cheers Ian