The Perfect Backdrop to Your Most Perfect Day Clarence House provides premier settings in iconic and heritage listed spaces in the heart of Sydney. Your amazing day, planned and organised by our dedicated team,– it’s a perfect match. Clarence House is rated the #1 wedding venue by guests and couples alike. The Lemnos Wedding Venue is a world-class wedding venue with an aura of grandeur and elegance. Sophisticated and luxurious, The Lemnos Wedding Venue boasts expansive reception spaces designed by internationally renowned designers and delicious menus that combine taste and presentation. Centrally located with capacity for up to 580 guests, this timeless venue is perfect for your Sydney wedding.