Book your appointment online. We release new appointments for the weeks to come, every Friday, sometime between 9am and 12noon.
You can apply for/renew a passport or ID card at the Embassy of Sweden in London, in another Swedish Embassy or at the Police in Sweden. If you apply for a passport in another country you can still collect it from the Embassy in London.
It is often a faster och cheaper process to apply for a passport in Sweden, more info about this on the Swedish Police's webbsite.