Before you even decide to begin house construction, everything should be considered and planned. Building a house means a great commitment. It can even be life altering too. That is why you should not only consider the look of your bloxburg mansion layout but how you're going to pay for it and how it's going to change your life.
If you are no longer happy with your home or you feel that you need to repair the house after a natural disaster, then a construction project is at hand. While this is a big commitment on your part, it is something you must do for the safety and the happiness of the family.
Since you already have the location you can decide on how big of a construction it's going to be. You may want to have the biggest house in the block. This may be a great idea now. However, it may be an issue if you decide to resell later on. Grander houses generally are harder to sell than moderately sized home. So, if you have plans of reselling later on, it might be a good idea to limit the construction to a certain size.
Of course, it is important that you consider the design that you want for your home before the construction. This is usually important right from the start since you would also want to live in a home that is designed according to your tastes.