Gates says his £75m home is not big enough

Bill Gates says his £75m home near Seattle is not big enough - even though it has 28 parking spaces.

The Microsoft boss wants permission to extend the Lake Washington house and add another child's bedroom.

Agents for the father-of-two say the house was designed for a bachelor and is now occupied by a family.

Neighbour Charles Swoope said he was not surprised the family wanted to make some changes.

"I personally didn't think the layout was very convenient, and so I think it's more for that purpose than they have an expectant child or something," he said.

"They've lived in it for a while and they see things about the arrangement of rooms and things that aren't convenient, and they want to change that."