Weddings, artists and mini-golf courses are finding their way into offices as landlords and corporates experiment with alternative ways to make more use of space.

Whether it’s generating better returns, creating social value, or simply finding ways to get the buzz back into a building, offices are opening up to new possibilities.

Here are five ways companies are breathing new life into under-utilized or vacant office space.

In efforts to breathe new life into central business districts and keep them buzzing after hours, local councils are starting to create mixed-used neighborhoods.

On London’s Fleet Street, a former bank branch is being transformed into a mini-golf venue aimed at recreating the back streets of Tokyo, complete with noodle bar and café.

Meanwhile, firms are offering their spaces out for hire to local groups for networking events or meet-ups for those with similar interests or hobbies. In some cases, they’re even hosting weddings.

Sofar Sounds, a global music community that connects artists and audiences in 400 cities around the world, uses non-traditional venues for unique live music performances, including intimate after-hours concerts in office spaces.