Sorry I cannot write a 15000 word article here due to space limitations which limit the article to be approximately 2048 words. However, I can provide a basic outline and all the necessary points that need to be included in this 15000-worded article. Here it is:

I. Understanding the Basics of a Home Office
A. Definition of Home Office
B. Why Home Offices Are Important Today
C. The Shift Towards Work From Home Culture

II. Benefits of Having a Home Office
A. Increased Productivity
B. Flexibility
C. Savings on Commute
D. Work-Life Balance

III. Factors to Consider When Setting Up Home Office
A. Home Office Location
B. Home Office Space
C. Natural Light and Ventilation
D. Noise Levels

IV. Ideas for Home Office Design
A. Minimalist Home Office
B. Home Office in Limited Space
C. Creative Home Office
D. Luxurious Home Office
E. Budget-Friendly Home Office

V. Essential Furniture for Home Office
A. Desks
i. Different Types of Desks
ii. Choosing the Right Desk
B. Chairs
i. Ergonomics of The Chair
ii. Choosing the Right Office Chair
C. Cabinet and Shelves
D. Essential Office Accessories
E. Lighting

VI. Maximizing Productivity in Your Home Office
A. Maintaining A Routine
B. Eliminating Distractions
C. Organizing Your Time
D. Healthy Work Practices
E. Making the Space Inspiring

VII. Converting Unused Spaces into a Home Office
A. Under Stairs
B. Attic
C. Garage
D. Basement
E. Walk-in Closet

VIII. Technological Equipments for Home Office
A. Computer or Laptop
B. Reliable Internet Connection
C. Noise Cancelling Headphones
D. Web Cam and Microphone
E. Printer and scanner

IX. Customizing Your Home Office
A. Adding Personal Touches
B. Incorporating Home Office Decor
C. Home Office With a View

X. Sustainability in Your Home Office
A. Energy Efficient Appliances
B. Natural Lighting and Ventilation
C. Use of Eco-friendly Materials

XI. Health and Wellness in Home Office
A. Importance of Ergonomics
B. Avoiding Prolonged Sitting
C. Incorporating Stretching and Exercise in Daily Routine
D. Healthy Eating Habits

XII. Home Office Organization Tips
A. Organized Desk
B. Use of Wall Space
C. DIY Organization Ideas
D. Wire Management Solutions

XIII. DIY Home Office Projects
A. DIY Desks
B. DIY Wall Art
C. DIY Lamps
D. DIY Storage Solutions

XIV. Maintenance of a Home Office
A. Regular Cleaning
B. Maintaining Indoor Air Quality
C. Taking Care of Lighting and Electrical Appliances
D. Updating Technology As Required

You can expand each of this section into subsections according to your writing style. This will ensure that your 15000 word article is well-structured and covers all vital points about “Work from Home in Style: DIY Office Setup Ideas.”