Building a modern house in Minecraft involves several steps:

1. **Choose a Location**: Select a suitable location for your modern house. Flat terrain or a scenic landscape can enhance the overall look.

2. **Gather Materials**: Collect materials like quartz blocks, glass panes, iron blocks, concrete, and any other modern building materials you prefer.

3. **Plan the Design**: Sketch out a design or have a clear idea of how you want your modern house to look. Consider factors like size, shape, and architectural details.

4. **Lay the Foundation**: Start by laying down the foundation of your house using blocks like quartz or concrete. Make sure it's the desired size and shape.

5. **Build the Structure**: Begin building the walls, floors, and ceilings according to your design. Use a mix of materials to create texture and depth.

6. **Add Windows and Doors**: Incorporate large windows with glass panes to allow plenty of natural light into your modern house. Use iron or wooden doors for entryways.

7. **Interior Design**: Furnish the interior with modern furniture, decorations, and amenities like sofas, tables, beds, kitchen appliances, and lighting fixtures.

8. **Landscaping**: Surround your modern house with landscaping elements such as gardens, pathways, and outdoor seating areas to enhance its aesthetic appeal.

9. **Finishing Touches**: Add finishing touches like decorative elements, paintings, and lighting both inside and outside the house to complete the look.

10. **Personalize**: Customize your modern house to reflect your own style and preferences, whether it's through unique architectural features or interior decor choices.

Remember to experiment and have fun with the design process, as Minecraft offers endless possibilities for creativity!