Shutters and more specifically blackout shutters block out a good amount of light. This is why they are ideal in a home with small kids and if you wish to sleep during the day after a night shift. In this case, you can settle for plantation shutters. They are some of the best blackout shutters for the bedroom. They let in a small amount of light to seep between the louvres.
If you want absolute darkness in a room, you can go for blackout shutters. We provide best window shutters service in Essex, London and Kent.