A lot factors about your plot are good and considered to bring prosperity.
1. North East facing - This is considered one of the best directions to have the main door. This direction is equally balanced by solar and magnetic energy, due to which positivity flows in the house.
2. Rectangular dimension with 1:2 ratio - After a perfect square, 1:2 rectangular plots are considered very good.
3. Three sides covered and road on one side - These type of plots are considered average, but according to Vastu it can be improved by providing passage to the fourth side of the plot.
Just make sure you have enough ventilation and light in all the rooms when coming up with the exact plan.