Documents for use in Norway should be certified by the UK Foreign and Commonwealth Office by way of Apostille.
The fee is £75 per document and documents will be processed the same day if lodged by 2.00p.m.
The Royal Norwegian Embassy is located at:
25 Belgrave Square,
Tel. 020 7591 5500
(Consular Section) 020 7235 5396
Fax 020 7245 6993