Modern House Expansion Ideas: How DOMEHOME Redefines Living Spaces
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Rethinking Modern House Expansions
Modern house expansions are more than just increasing square footage—they’re opportunities to redefine the way we live, integrating innovation, sustainability, and style. One such standout project is the DOMEHOME House Expansion in Madrid by EME157. With its domed architecture, sustainable materials, and thoughtful design, it offers inspiration for homeowners and architects alike.



Why Opt for Modern House Expansion?
Expanding a house can address growing family needs, improve functionality, and elevate aesthetics. Modern expansions, like DOMEHOME, prioritize these key principles:
- Aesthetic Harmony: Ensuring the addition blends or contrasts beautifully with the existing structure.
- Sustainability: Using eco-friendly materials to enhance energy efficiency.
- Maximizing Space: Creating multi-functional spaces with intelligent layouts.

DOMEHOME: A Case Study in Innovative House Expansion
1. Design Philosophy
The DOMEHOME project started with a challenge: how to add a new living space without overwhelming the original brick structure surrounded by lush vegetation. The solution? A domed upper floor.
- The Dome's Purpose: Its rounded form minimizes the external perception of height while maximizing the internal ceiling heights for a spacious feel.
- Integration: The dome complements the cubic geometry of the original structure, ensuring aesthetic cohesion.


2. Material Innovation
The materials used in DOMEHOME showcase how thoughtful choices can define a project:
- Cork: This lightweight, insulating material was chosen for its eco-friendliness and visual contrast against the solid brick.
- Zinc: Used for the vault, zinc provides durability and a modern finish.
- Interior Finishes:Mortar floors offer a minimalist, durable base.Stainless steel adds sleekness to countertops and showers.Plywood and linoleum create a warm, functional feel in furniture and storage.
- Mortar floors offer a minimalist, durable base.
- Stainless steel adds sleekness to countertops and showers.
- Plywood and linoleum create a warm, functional feel in furniture and storage.

3. Structural Details
The original structure's exposed concrete beams play off the slender, sky-blue painted metal pillars, blending strength and elegance. The pillars also visually connect the interior with the serene outdoor views.

Optimizing Space: Floor-by-Floor Breakdown
Ground Floor (50 m²)
- Purpose: Provides private quarters with a bedroom and bathroom.
- Design Approach: Functional yet understated, ensuring the focus remains on the upper floor.

Upper Floor (130 m²)
- Private Area: Includes a spacious bedroom and bathroom for personal retreat.
- Public Area:Features an open-plan kitchen, dining room, and living space.Large north-facing windows and a central circular skylight flood the space with natural light.
- Features an open-plan kitchen, dining room, and living space.
- Large north-facing windows and a central circular skylight flood the space with natural light.

What Makes DOMEHOME a Modern House Expansion Inspiration?
1. Blending Old with New
The domed addition respects the original brick structure while standing as a distinct element.
2. Emphasis on Light and Views
Natural light is maximized with large windows and skylights, creating a serene atmosphere.
3. Sustainable Design
By using cork, zinc, and efficient layouts, the project champions eco-conscious living.
4. Simplified Material Palette
Contrasting warm and cool materials adds depth without overwhelming the senses.


DOMEHOME as a Blueprint for Modern Expansion
The DOMEHOME House Expansion by EME157 exemplifies what modern house expansions can achieve: harmony between old and new, innovative use of materials, and a commitment to sustainability. Whether you’re seeking inspiration or embarking on your own project, DOMEHOME offers a compelling blueprint for modern living.

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