Highly skilled interior designers should be concerned with listening to you to determine what your particular needs are for your HDB flat interior design. While aesthetics should obviously be an important factor in your design, the functionality is crucial as well. A quality interior designer will listen to your needs and design a solution that incorporates both style and function into your space.
Finally, quality and effective communication are meaningless if your interior design professional does not show enthusiasm in the actual design of your space. They should have an extensive knowledge of trends in the design industry and be able to communicate their inspiration to you successfully. They should also provide you with proof of their ability to manage a project from their initial concept to the conclusion of the design with either a rich portfolio or showroom.
Regardless of your own knowledge of interior design, they should be able to help you transform your HDB 4 room flat space into something that suits you perfectly. By choosing a an interior designer with a good reputation, great communication, and style that you find appealing, you will likely be happy with the results.