You are here: Which membership should I apply for? This quiz will not work without Javascript. If you wish to proceed please enable Javascript in your browser settings or if it is already enabled, try reloading the page. Do you have a UK qualification in Interior Design, Interior Architecture or Architecture Yes No Is your qualification a Higher National Diploma (usually referred to as an HND), Foundation Degree (usually referred to as an FdA) or a Diploma of Higher Education (usually referred to as a DipHE)? Yes No Do you have more than 4 years of professional interior design work experience? Yes No Is your qualification a Bachelor of the Arts (usually referred to as a BA) or a Master of Arts (usually referred to as an MA? Yes No Have you been working as a professional interior designer for more than 3 years? Yes No Have you been working as a professional interior designer for more than 6 years? Yes No Have you been working as a professional interior designer for more than 6 years? Yes No You are eligible to apply to become a Registered Interior DesignerFind out more You are eligible to apply to become an Associate memberFind out more You are eligible to apply for Provisional Associate membershipFind out more