In Studio Diploma (UK)

Professional Interior Design

Study in our UK Design Studio for your Level 3 Interior Design Diploma with the National Design Academy. Become a professional Interior Designer!

Entry Requirements

No previous qualifications required, just an interest & enthusiasm for interior design.

Study Duration

Next Course Date

Week 1: 8th – 12th September
Week 2: 20th – 24th October

UK Student Loans

No up front fees to pay!
If you are aged 19+ and have lived in England for 3+ years you are eligible.

Assessment

No exams — Tutor assessment only, portfolio moderation by AIM Qualifications.

Become a Professional Interior Designer

This Professional Interior Design Diploma will provide you with the skills you need to design your own project or help family and friends with theirs, to start your own business or enter a new career and, it will even give you the confidence to move on to study a degree!

As an alternative to flexible online study our live ‘In-Studio’ Course Diploma in Professional Interior Design allows you to join other like-minded design enthusiasts for a more hands-on and collaborative approach to learning. Working with a client brief, you will work on an array of skills to take you from concept stage, through to design development and final proposal stage for a residential project.

What our Students Say

Course Breakdown

You will study 8 dedicated units during this professional interior design diploma.

Unit 01 - Interior Design & the Role of the Designer

Interior Design & the Role of the Designer

This unit introduces you to the fundamental elements and principles that are common within a successful design scheme and how they are adopted by Professional Interior Designers today. You’ll learn how and why interior design has changed over time and to identify key interior design trends. What you learn in this unit will provide an essential foundation to underpin your future designs. This unit also includes:-

  • The 7 design elements of good design
  • Interior Design history and contemporary practice
  • The role of an Interior Designer and different project types
  • Professional presentation boards
  • How to write a short design report
Online Interior Design Diploma - Unit 1 - National Design Academy

Using Colour in Interior Design

This unit will spark your creativity by giving you the opportunity to play with colour. You’ll explore practical colour theory to enable you to design both historical and contemporary colour schemes. This unit also includes:-

  • Basic colour principles and terminology
  • The impact of colour in a design scheme
  • The psychological importance of colour in an interior space
  • Historical and contemporary colour trends
  • Creating a successful interior design colour scheme
Online Interior Design Diploma - Unit 2 - National Design Academy

Exploring Surface Finishes in Interior Design

This unit covers the wide and exciting range of surface finishes now available to create fabulous interiors. You’ll explore the versatility and impact of materials for walls, floors and soft furnishings and how to use them to create an effective design scheme. This unit also includes:-

  • The characteristics and suitability of different materials
  • Sourcing and using materials to develop a design scheme
  • Practical skills to represent colour, pattern and texture
  • How to visually present your design ideas
Online Interior Design Diploma - Unit 3 - National Design Academy

Plans & Space Planning in a Professional Context

This unit shows you how to plan the space for a room design. From initial sketches to final layouts, you will visualise and present design solutions to meet a client brief. This unit also includes:-

  • Understanding the space and the client brief
  • Traffic flow and zoning of space
  • Developing floor plans by hand
  • Creating elevations by hand
  • Practical sketching and hand drawing techniques
Online Interior Design Diploma - Unit 4 - National Design Academy

Furniture & Accessories in Interior Design

This unit focusses on the limitless range of furniture and accessories available to the Interior Designer. You’ll learn to recognise key styles in furniture and accessory design and how to select and source appropriate furniture and accessories to meet a client brief. This unit also includes:-

  • Understanding of different furniture and accessory styles, historical and contemporary
  • Influential practitioners and design movements
  • Characteristics & suitability of furniture & accessories
  • Choosing and sourcing items
  • Producing furniture layouts
Online Interior Design Diploma - Unit 5 - National Design Academy

Creative Lighting in Interior Design

This unit explores the potential of creative lighting in interiors and develops your knowledge of lighting design, including traditional and contemporary products. You’ll learn how to choose lighting for your schemes and how to deal with suppliers. This unit also includes:-

  • Understanding different lighting products and lamps
  • Task, ambient and decorative lighting
  • Lighting levels for room design
  • Cool and warm lighting
  • Creating a lighting scheme for a furniture layout
  • Applying symbols appropriate to industry lighting plans
  • Developing a lighting plan to meet a client brief
Online Interior Design Diploma - Unit 6 - National Design Academy

Professional Practice in Interior Design

This unit explores the diverse possibilities for a career in the Interior design industry and helps prepare you to work successfully in the professional environment, whether this be in an established practice or setting up an interior design business. With a focus on your personal and professional development, you will consider the steps you should take to achieve your own progression ambitions. This unit also includes:-

  • Being employed, self-employed and setting up an interior design service
  • Portfolio development
  • Working with others in a professional environment
  • Effective marketing and promotion
  • How to charge for your design service
  • Studying for a degree
Online Interior Design Diploma - Unit 7 - National Design Academy

Professional Interior Design Project

For this final unit of the course, you bring together all your newly learned skill by producing conceptual designs to create a wonderful interior design scheme for a new client. When complete, your work will form an asset to your developing portfolio to show future clients. This unit also includes:-

  • Developing a design concept
  • Creating a colour scheme
  • Selecting surface finishes
  • Space planning, including furniture and accessory arrangements
  • Creating a lighting plan
  • Professional presentation techniques
Online Professional Interior Design Diploma - Unit 8 - National Design Academy

Qualify in Just 12 Weeks!

Course Timeline

10 x Studio Classes

+ Home Study

12 Weeks Total

Why Study in Studio?

Upcoming Course Dates

September to October Course

October to November Course

2026 Studio Dates

In Studio Gallery

Images of our talented Diploma students hard at work in our In-Studio sessions

Our Learning Eco-System

Swipe tabs to navigate.

Responsive Learning, Designed For You.

Course content device showcase

Offering a fully responsive learning experience our course content can be opened, studied and enjoyed on any device, from anywhere in the world.

Virtual Learning Studio

Student working on computer

How do you learn online, you ask? It’s simple: introducing our Virtual Learning Studio, or VLS for short. The VLS is our exclusive, online resource which replaces the normal lectures given in Colleges and Universities. 

Students can rewind and re-watch until they are sure they have understood. No frantic note taking and no missing an important lecture! Study when and where it suits you!

Personal Tutors

Student on Video Call

Every National Design Academy student has a Personal Tutor to guide them through their qualification.

You have unlimited access to your tutor and can contact them by email, telephone, Zoom, Skype or in-person as often as you wish.

Student Support Team

Student Support Team

We also have a dedicated Student Support and Administration Team to help deal with any other queries such as payments, student loans advice and anything else you may need a helping hand with.

Our Student Helpline is available Monday to Friday from 9.00 to 17:00 (UK Time).

Group Tutorials

Student on video call

All delivered online via zoom, join NDA tutors and like-minded peers to discuss interior design topics, course content and gain valuable live feedback.

As a Diploma level student, you will be invited to course introduction sessions, interior design discussions and also receive advice on how to progress once you complete your course.

Online Forums

National Design Academy Online Forums

Once you enrol, you will also have the opportunity to join our dedicated NDA Facebook discussion group. Student cohorts will often set up their own Whatsapp chat groups to communicate also.

Students enjoy discussing their design projects, encouraging others and offering advice, as well as sharing work and offering top tips for approaching units.

What Our Students Say

Internationally Recognised

Accredited by AIM Qualifications

Course Pricing

Fees and payment options may differ depending on whether you are a UK resident or an internationally based student. Please select the correct tab below.

Swipe tabs to navigate.

Student Loan

Most Popular

£50*

Admin fee only

Loan Covers Full Course Fee of £2,390.

* Refunded on course completion

Pay in Full

£2,390

£1,500

On Enrolment

Save £890 by paying in full with UK Government funding.

Spread the Cost

3x Monthly Payments

£550

£1,650 in Total*

Breathe easy. Spread the cost of your course over 3 months.

*Monthly payments include admin fee

Pay in Full

One-Time Payment

$3,225 (USD)

On Enrolment

Make one easy payment to cover the full cost of your course.

Save $275 by paying in full

Spread the Cost

3x Monthly Payments

$3,500 (USD)

In total*

Spread the cost of your course.

$1,500 on enrolment + 2 x $1,000 monthly payments.
*Monthly payments include admin fee.

You Can Afford to Study a Diploma Course

UK Advanced Learner Loans (ALL) are the most popular way for NDA students resident in the UK to study as they cover the entire cost of their interior design diploma course.

Loans are not based on income or means tested and most students in England will qualify (Wales, Scotland & NI have different arrangements).

You Can Afford to Study a Degree

What's Next?

An NDA Interior Design Diploma will provide you with the knowledge and design skills to start your own business, the qualification to progress to higher education or why not both! Find out more below…

Higher Education

Successful completion of your NDA Interior Design Diploma provides a guaranteed place on one of our online Bachelor’s Degrees with a generous Progression Scholarship. Degrees are validated by De Montfort University (DMU).

For those who wish to continue their study at an on campus university, all NDA Professional Diplomas carry a UCAS tariff point value. You can top up any existing UCAS points you may have with points from an NDA Diploma. 

Diploma in Professional Interior Design = 24 UCAS tariff points.

Careers

The NDA Professional Interior Design Diploma is designed to help you start your own Interior Design business. Like the Diploma course itself, you can work flexibly for your clients around your family commitments and gradually expand your business.

Many of our Diploma students start their own business and then progress to study for their NDA Bachelor’s Degree flexibly alongside their client projects.

Supporting Your Next Steps

Progress with the NDA

Save £500/$600

Progression
Guaranteed

Get Equipped

Be Sure to Read our Full Equipment & Resources Page Before you Apply

Browse Kits & Recommended Equipment at Exclusive Student Prices

What is UK Government Funding?

UK students pay approximately 50% of the full course fee – the balance is funded by the UK Government’s Adult education budget (AEB).

The National Design Academy is the only design school to be able to offer this funding as our Diplomas are all fully accredited by AIM Qualifications.