Tucked away in northwestern London, a twenty minute walk from King's Cross Station, lies number twelve, Grimmauld Place. Both Unplottable and hidden behind a Fidelius Charm, the house is invisible to all but a few. Though the neighbouring Muggles don't even know the building exists, it was for many years home to the Black family — one of the wizarding world's oldest pureblood families, and extremely proud to be so." Number 12 Grimmauld Place, was formerly a handsome Muggle townhouse built in London. At some point, an early member of the wizarding House of Black coveted the beautiful house and managed to "persuade" the original Muggle occupant to leave, and put the appropriate spells on it