Construction is something that needs to be done properly. If you end up only doing a second rate job it is going to give you a whole load of headaches. This applies to whether you want to build a new building, build a new section or combine existing sections etc. How you build the area will also affect the productivity of your employees so doing a good job is very important. Now all of this is going to cost you a lot of money so it would be advisable for you to someone who is a professional in the area to do your job for you. In addition to that a lot of people find them getting lost in all the building codes and zoning laws that needs to be considered etc. Most ordinary people have no clue as to how any of this works.
This is essentially why you need to hire an architect to do the job for you. These are professionals who have trained to face and control such situations. If you engage the services of one from the beginning you can get him to give you advice about your design and make sure that it is a good one. They would also be more proficient to make a good budget for you based on your needs. This is so as they would know what kind of materials you need to use and where to get them for the cheapest price etc. He can give life to what you have in mind. That is to say he would design a practical and viable model for what you have in mind. They would be able to maximize your investment as they will make them optimum use of the space available to them.
In addition to that as I mentioned above a lot of people aren’t aware of how to deal with the paperwork involved. An architect would guide you through the path of what needs to be done for you to finish this step. Once the construction phase starts he would control all the parties that are involved in the project. That is to say for an examples the engineers, contractors etc. Now sometimes these other people might try to rip you off by telling you false prices or get you to spend on things you don’t really need and exceed your budget. By having a professional who knows about the field very well it would be ensured that you stay within your budget and ensure that you don’t get ripped off.
Finally these guys would be able to manage your site throughout the whole project and make sure a quality job is done. All in all hiring one would be on your best interests.