One Weddings

One Belgravia

One Belgravia is a unique and intimate London wedding venue comprised of two floors joined together by a majestic marble staircase. The Oak Room is the perfect setting for a drinks reception whilst the Grand Gallery offers a beautiful ceremony setting and the perfect option for dining and dancing the night away. One of London’s finest small wedding venues that is guaranteed to meet your needs.

Guest List: The Oak Room ~ Ceremony 60, Reception 120, Dinner 40. The Grand Gallery ~ Ceremony 120, Reception 300, Dinner 200, Dinner & Dance 150


One Marylebone

One Marylebone boasts two impressive and versatile wedding spaces and landscaped gardens. The Galleries are the perfect ceremony and wedding reception setting before guests make their way down to the jewel in the crown of One Marylebone, The Soane Hall, to dine and dance the night away.

Guest List: Soane Hall ~ Ceremony 350, Reception 500, Dinner 350, Dinner & Dance 300. Galleries ~ Ceremony 170 (East & West), Reception 150 (East & West), Dinner 50 (East, West, South)


Project Management

With unrivalled knowledge of our wedding venues and suppliers, we can guide you effortlessly through the planning, taking away the stress and ensuring the most enjoyable and intimate intimate wedding London can offer.


Say Hello!


Call: 0207 380 1663

For further information please fill out our form here.



For OneWedding’s specific activity, please follow


From the intimate to the extravagant, this wedding venue offers endless possibilities…