Keswick's Theatre by the Lake has unveiled plans for a £700,000 extension.
It wants to build a cafe with views over the nearby fells.
The theatre's managers say it would be the biggest development since it opened in 1999.
More top news
Emma brings you ITV Border's Sunday Weather Forecast.
Clear start, patchy cloud at the east coast, some mist forming further west. Cool in the countryside
Some good sunny spells at first, especially in the west. Much brighter in the east than of late, just some patchy cloud around