So you have a home project, and you are considering hiring an Interior Designer, but do you really need one? It will all depend on what your goals are for your home. Interior Designers Usually Offer the following services:
Site assessments & design programming
Space planning
Product & material research
Product & material selections
Appliance & equipment selections
Plumbing fixture selections
Project administration
Order management
Delivery & scheduling
White-glove installation
Coordination with Allied Professionals & Consultants
Exterior residential designs
Site plans (based off existing survey)
Permit plans (Existing & Proposed)
Partition & furniture plans
Detailed kitchen & bath plans
Construction & demolition plans
Power & communication plans
Reflected ceiling plan
Interior elevations
Detail & section plans
3D perspectives in colour renditions
In-house shop drawings (a specialty)
Specifications
And often times designer will even offer smaller services like paint selection, etc. for a small fee. Each person has a different goal for their home, some people don't like making decisions like these, so they hire a designer to cover all aspects of their project.
Other people would like to be involved through the entire process and would even like some DIY projects. You will want to know at least how much you would like to be involved in the process prior to hiring a designer. Based on your desire to be involved will affect how much you need a designer.