Help again!

I would just like to know if there is a way to make it so you have one map say a house that is used for all houses but i can only have the teleport to a chosen place
i have tried memorise position then made the one inhouse to recall to memorised position but it doesnt work could you help me? heres an eg

1.i want all doors to lead to the ONE house.2.i want it so you are teleported back to the door you came in from so then 3. it will save me a lot of time as i have a BIG city with 270 odd houses 4. I know its probably too big but it is needed to be this big so

help me plz!