Uptown Theater showing appeal after its long-delayed premiere.

Larry Sells said he's running out of office space to lease in the Uptown Theater building in midtown Kansas City. And it's about time.

"It's been slower than I had hoped," Sells said of efforts to redevelop the 75-year-old structure at 3700 Broadway and the surrounding property.

Sells initially had hoped to finish refurbishing the building in mid-1996. He said the project was slowed by delays in securing tax increment financing. Bonds weren't sold until 1998.

But he has made inroads since then. Sells' latest success was landing Weaver & Martin. In June, the accounting firm will move from 801 W. 47th St. on the Country Club Plaza into about 2,500 …