If you've started a new world and you want to start off with a simple house, then this is just the thing for you!
Make a 7 by 7 hole that is 2 blocks deep.
Fill in the walls and floor but build one of the walls out of bookshelves.
Build a 5 high pillar in each corner.Then fill the floor in (you should be able to stand in the bit underneath).
Build a layer of planks then put glass pane on top of that then 2 more layers of planks on that.Remember to leave a space for the door.Also the glass panes can't be touching the gap for the door.
Put a row of 3 oak stairs underneath the door.Put 2 fence going up on the outer stairs.Then place another row of 3 oak stairs on top facing downwards.Don't forget to put the door in.
Place and oak block on each side of the top.The place more going up and diagonally until the meet.Then fill the inside with oak planks.
Put in all the stairs and slabs on top of all the oak.
Put a trapdoor in the corner and 2 ladders leading down to the basement.
Then decorate the house in any way you like.