It is usually used synonymously with the more widespread term fringe (or, specifically, the London Fringe), but sometimes is also used to refer to more mainstream or commercial theatre which is located within London but outside the centre, or to especially small and non-commercial theatres located within the centre.
These small theatres can vary in size, with seating capacities of around 40 to 400.
"[2] While West End Theatres must register with the Society of London Theatre, SOLT membership for the off West End is optional and is not widespread.
[5] The Off West End Theatre Awards, known as the Offies for short, have been awarded to off West End theatre productions since 2011.
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