North facing site is suitable for main entrance. If there is no place for pooja room in North East than it set up at North West corner. If it is not possible than you keep pooja room in middle place and you pooja room facing North also good.
For remove the Vastu Dosh you should stick a picture of God Ganesh and Goddess Laxmi at North East corner.Two shapes of swasthika set up both side of main entrance and pooja room. A part of maney plant should be keep at North - East Corner.