This is the blocks you will need
WARING YOU WILL NEED UPDATE 9.0

Step 1: Base+Walls

Make the base 13x20 for the house.
Then make stairs up to the height of the house the house height of the house is 5
Make the stairs that high! Add it on both sides!

Step 2: Roof

When your done step 1 make the roof the roof is made out of cobblestone make it the same size of the house 13x20

Step 3: Door

After step 2 you need to have the door you need to put 4 blocks of wood this way ---> <----
Then block 2 blocks off the door there you have it step 3 done (moving on to step 4

Step 4: Floor

Now on to the Floor HEY DONT LEAVE THE FLOOR WITH GRASS ON IT! You will need!(Polished Granite/Spruce wood) make a pattern checkers striped doted! I chose striped