Pocket gates for dogs or kids. This is a great idea!

How to Make a Baby Gate From an Old Wood Door... or a dog gate.

Pocket doors on the stairs to keep the noise down, heat down, and/or pets on one side or the other.

Doggy door - brilliant! Easy to close when you don't want them going out, and it's perfectly hidden!

sliding deck gate

so much prettier than a baby/dog gate

Laundry drying rack that folds flat against the wall. Maybe paint it to match wall paint.

Installing a Pocket Door - How to Install House Doors. DIY Advice

Install a dog door into the side of the house with a dog house in front of it

Remove the fake drawer below the sink and make it useful! Genius!

Secret pantry! Looks like regular cupboard doors but takes you to another room!

dog house

Dishwasher panel. Love the idea of a hidden dishwasher.

The kids bathroom...

Hidden playrooms - through the wardrobe! AMAZING.

Interesting idea

Attic Bedroom Closet Design ...Love the use of sliding doors to allow access to built in clothes storage in the eaves of this attic bedroom.

Built in Dog Crate

Closet - slide out slats for hanging pants/jeans. Brilliant.

Dutch door instead of baby gate