A defining element in any garden room is a sense of enclosure sense of enclosure. This can be as simple as a herbaceous border or tall hedge; as elaborate as a maze or garden structure such as a pool or pergola. The garden room may be made entirely for viewing and The Garden Room | This Old House Please note: You are currently browsing img garden rooms design ideas, garden room plans ecos ireland that is 1024x683px in size. This image is listed in garden room ideas category. The Garden Room This Old House, 1024x683 in 368.07 KB.