$houses = new House;
if(Input::get('name'))
$houses->where('name', '=', Input::get('name'));
if(Input::get('hasCoffeeMachine'))
$houses->where('hasCoffeeMachine', '=', Input::get('hasCoffeeMachine'));
// Keep adding more for every filter you have
// Don't do this till you are done adding filters.
$houses = $houses->get();