A tourist visa costs US$30 and is generally awarded on arrival at Dili International airport or Dili seaport to holders of a valid British passport, providing admission into Timor-Leste is deemed to be for a legitimate purpose. The visa is only valid for one entrance and allows you to remain for up to 30 days.
British citizens planning to enter the nation through Indonesia (West Timor) land border crossing at Atambua must apply for a tourism visa in advance in Kupang. This visa is typically eligible for a single entrance and a stay of up to 30 days.