Skip to Content

Which Country Has the Smallest Building? (Answered 2023)

This site is supported by our readers. We may earn a commission, at no cost to you, if you purchase through links.

What country has the smallest buildingImagine exploring the world and stumbling upon a hidden gem – the smallest building in a country. Curiosity piqued, you delve into the fascinating history and unique architecture of these miniature structures.

From tiny hotels made from recycled drain pipes to portable nuclear power plants that fit inside shipping containers, this article takes you on an adventure through countries where size doesn’t matter when it comes to buildings.

Discover which country claims the title for having the smallest building and prepare to be amazed by their ingenuity.

Key Takeaways

  • Hong Kong has the smallest average house size at 45 sqm.
  • The MuMA Hut holds the title for the smallest house in the world.
  • Smaller houses promote a simpler lifestyle with fewer possessions.
  • Smaller houses are cost-effective and environmentally friendly.

Roll It Homes

Roll It Homes
In the innovative project of Roll It Homes at the University of Karlsruhe, Germany, you can experience a multi-functional living space that transforms from a workspace to a bedroom with just a simple roll.

This unique design allows for maximum flexibility and efficiency in utilizing limited space.

The dimensions of Roll It Homes are compact yet practical, providing enough room for essential activities while maintaining mobility.

The weight of these homes is also optimized to ensure easy transportability without compromising structural integrity.

Despite its small size, Roll It Homes boasts impressive features such as built-in furniture and storage solutions that maximize functionality within the limited square footage.

With its sleek design and clever use of space, Roll It Homes offers an exciting glimpse into the future possibilities of modular housing.

cost of roll it homes,

roll it homes dimensions,

roll it homes weight,

roll it homes features,

roll it homes mobility

The One SQM House

The One SQM House
Continuing from our discussion on Roll It Homes, let’s now explore the innovative design of The One SQM House by Van Bo Le-Mentzel.

This tiny wooden house measures exactly one square meter and is designed to be versatile and portable. Despite its small size, it offers multiple functions such as spaces to eat, sleep, sit, and work.

The lightweight structure is made up of wooden frames that are easy to carry and transport. Assembling the house is a simple process that can be done using everyday household materials.

The design inspiration behind The One SQM House focuses on maximizing functionality within a minimal space while still providing comfort and convenience for its occupants. With sustainability in mind, this compact dwelling demonstrates how new construction can prioritize efficiency without sacrificing style or function.

The cost of building such a small structure would also be significantly lower than traditional homes due to the reduced amount of materials used.

Das Park Hotel

Das Park Hotel
Moving on from the compact and versatile One SQM House, let’s delve into another unique hotel concept known as Das Park Hotel. This one-of-a-kind accommodation takes advantage of recycled drain pipes to create small yet comfortable hotel rooms.

Here are three key features that make Das Park Hotel a space-saving design marvel:

  1. Recycled Design: Each room is constructed using repurposed drain pipes, giving them a distinct and eco-friendly aesthetic.
  2. Sustainability Focus: The use of recycled materials aligns with the hotel’s commitment to sustainable practices.
  3. Cozy Cabin Feel: Despite their small size, these rooms offer all the necessary amenities for a comfortable stay, including double beds and clever storage solutions.

With its innovative approach to hospitality design and dedication to sustainability, Das Park Hotel offers guests an unforgettable experience in uniquely designed spaces that prove you don’t need excessive square footage for comfort or style.

MuMA Hut

MuMA Hut

Located in the old Village of Armenia in Romania, this 15 sqm house was built by Romanian volunteers using materials bought from the local area to revitalize traditional/vernacular materials.

The construction of MuMA Hut showcases skilled craftsmanship and attention to detail, with every aspect carefully considered. Despite its small size, it provides a unique experience where you can feel connected with nature as if you were inside an orchid.

The cost of constructing MuMA Hut is relatively low compared to larger buildings but still varies depending on factors such as location and availability of materials.

This inspiring project has received several awards for its innovative design and commitment to preserving cultural heritage through architecture.

The Keret House

The Keret House

  1. Inspiration for other small houses:
    • The Keret House has become an inspiration for architects looking to create efficient living spaces in narrow plots.
    • Its creative use of space showcases the possibilities of designing compact yet functional homes.
  2. Impact on surrounding buildings:
    • Despite its small size, the Keret House has made a big impact on its surroundings.
    • It stands out among larger structures, drawing attention from people all over the world who are fascinated by its unconventional design.
  3. Challenges of building in a narrow plot:
    • Constructing a house in such limited space presented numerous challenges.
    • From ensuring proper ventilation and lighting to maximizing usable areas, every aspect had to be carefully considered and planned.
  4. Cost of building the Keret House:
    • Building within such tight constraints also meant higher construction costs due to specialized engineering techniques required for stability and safety.
    • However, these expenses were justified by creating an architectural masterpiece that pushes boundaries.

Looking ahead at future trends, it’s clear that smaller houses will continue gaining popularity as people seek more sustainable lifestyles with reduced environmental footprints. The success and recognition garnered by projects like The Keret House only further solidify their place in our architectural landscape.

Charred Cabin

Charred Cabin
Step inside the Charred Cabin, a unique architectural creation by DRAA that showcases the beauty of minimalist design and sustainable materials.

This captivating cabin is nestled in a peaceful forest, providing an idyllic retreat for those seeking solace in nature.

Inspired by the concept of a treehouse, the Charred Cabin utilizes recycled wood as its primary building material, adding to its eco-friendly appeal.

The construction process was remarkably efficient, taking only one week to complete.

Despite its small size and modest cost of $10,000, this cabin offers everything you need for a comfortable stay while immersing yourself in nature’s tranquility.

With careful attention to detail and thoughtful use of space-saving techniques, the Charred Cabin embodies both simplicity and freedom within its cozy confines.

Parasite House

Parasite House
Continuing from the previous subtopic, you may be wondering how often a Parasite House is found in different countries. Well, let’s delve into that and explore the fascinating world of these unique architectural creations.


  • Parasite Houses can be found in various countries around the globe, including Spain, Mexico, Colombia, and Chile.


  • These houses draw inspiration from their surroundings and aim to coexist harmoniously with existing structures or natural landscapes.


  • Many Parasite Houses have gained recognition for their innovative design concepts and sustainable practices within the field of architecture.

Cost & Controversy:

  • The cost of constructing a parasite house varies depending on factors such as location and materials used; however they tend to be more affordable than traditional homes due to their smaller size.



The Seelenkiste, or Soul Box, is a tiny house that serves as an inspiration for those seeking simplicity and freedom in their living spaces. Constructed using sustainable materials, this compact dwelling can be found in various locations across Germany.

Its design prioritizes functionality while minimizing unnecessary clutter and excess space. Despite its small size, the Seelenkiste offers everything one needs for comfortable living – from sleeping areas to kitchenettes – all within its carefully crafted walls.

What makes it even more appealing is its affordability; the cost of building a Seelenkiste is significantly lower compared to traditional houses.

Whether you’re looking for a cozy retreat or simply curious about innovative architectural solutions, the Seelenkiste provides endless inspiration in the world of tiny homes.

Elsewhere Cabin a

Elsewhere Cabin a
You can further explore the world of small buildings by looking at the Elsewhere Cabin, designed by Sean O’Neill. This unique cabin offers a cozy and intimate retreat in a picturesque location in Ireland.

Here are three key details about the Elsewhere Cabin:

  1. Construction time:

The Elsewhere Cabin was built in just 4 months, showcasing efficient construction techniques.

  1. Location:

Situated in Ireland, this charming cabin allows you to immerse yourself in nature and enjoy stunning views of the surrounding landscape.

  1. Cost and materials:

The cabin was constructed using recycled wood, adding an eco-friendly touch to its design. With a budget of $50,000, it provides an affordable option for those seeking a peaceful getaway.

Inspired by treehouses, this compact yet comfortable structure captures our subconscious desire for safety and freedom amidst nature’s embrace.

Ursa Tiny on Wheels House

Ursa Tiny on Wheels House
As we delve further into the topic of small buildings, let’s now shift our attention to the Ursa Tiny on Wheels House by Madeiguincho.

The Ursa Tiny house is a compact and portable living space that offers an innovative solution for those seeking a minimalist lifestyle.

This tiny house measures approximately 4 meters long, 2.5 meters wide, and 3 meters high, making it incredibly lightweight and easy to transport.

Despite its small size, the Ursa Tiny house provides all the necessary amenities for comfortable living, including insulation to keep you warm in colder climates.

The materials used in its construction are carefully chosen to ensure durability while keeping costs low without compromising on quality or functionality.

Whether you’re looking for a cozy home or a mobile retreat, the Ursa Tiny on Wheels House is an excellent option that combines affordability with freedom and simplicity.

Average House Size by Country – Graphical Comparison

Average House Size by Country – Graphical Comparison
Compare the average house sizes of different countries graphically.

Here are some key points to consider when looking at the average house size by country:

  • Relationship between house size and energy consumption: Smaller houses take less energy to build and keep habitable, making them more environmentally friendly.
  • Benefits of living in a small house: Living in a smaller space can promote simplicity, reduce clutter, and encourage a minimalist lifestyle.
  • Challenges of living in a small house: Limited storage space, lack of privacy, and difficulty accommodating guests are common challenges associated with living in a small home.
  • Future of small houses: As people become more conscious about sustainability and simplicity, there’s likely to be an increased interest in smaller homes.

The trends in small house design include innovative use of space-saving techniques such as multifunctional furniture or modular layouts that maximize every square foot. By embracing the concept that less is more, individuals can create cozy yet efficient spaces where they feel safe and free from unnecessary burdens.

Table of House Sizes by Country

Table of House Sizes by Country
Take a look at the table below to see the house sizes in different countries.

In Hong Kong, you’ll find the smallest building with an average house size of 45 square meters (484 square feet). It’s interesting to note that Hong Kong is also home to some of the world’s tiniest apartments.

On the other hand, Singapore boasts an average house size of around 100 square meters (1,076 square feet), while in Canada and Australia, houses are much larger with averages of 181 and 214 square meters (1,948 and 2,303 square feet) respectively.

The United Kingdom falls somewhere in between these numbers with an average house size of about 76 square meters (818 square feet).

So if you’re looking for tiny living spaces or spacious homes across different countries, this table provides a quick snapshot for comparison.

Average US House Size Has Been Increasing Over Last 50 Years

Average US House Size Has Been Increasing Over Last 50 Years
As you’ve seen from the table of house sizes by country, the average size of houses varies greatly around the world.

Now let’s take a closer look at one specific country: the United States.

Over the last 50 years, there’s been a noticeable trend in increasing house sizes in this vast nation.

In 1973, the average house size was 1,660 square feet (154 square meters).

However, due to economic factors and changing preferences for more space and amenities, that number has steadily risen over time.

By 2015, it reached a peak of 2,467 square feet (229 square meters).

Although new data from recent years show a slight decrease to an average size of about 2,

273 sq ft (211 sq m), it still remains significantly larger than homes built half a century ago.

This increase in house size can be attributed to various factors such as housing affordability or cultural impact with people desiring more spacious living quarters for their families.

Average House Square Footage of Floor Space Per Person

Average House Square Footage of Floor Space Per Person
To understand the variations in building sizes across different countries, it’s important to examine the average house square footage of floor space per person.

Smaller houses have their pros and cons. On one hand, they require less energy to build and maintain, making them more environmentally friendly and cost-effective. They also promote a simpler lifestyle with fewer possessions, which can lead to a sense of freedom and reduced stress.

However, small houses may pose challenges when it comes to meeting minimum space requirements or accommodating larger families.

Design trends for small houses focus on maximizing functionality through innovative storage solutions and multi-purpose furniture.

Overall, the energy efficiency of small houses makes them an attractive option for those seeking sustainability without compromising comfort or style.

The Graham Hill House is Not So Remarkable in Certain Countries

The Graham Hill House is Not So Remarkable in Certain Countries
You may find that the Graham Hill House, celebrated for its compact design and efficient use of space, may not be as remarkable in certain countries.

In Hong Kong, for example, where space is at a premium, the average house size is just 45 sqm (484 sq ft).

Similarly, Japan has an average house size of 76 sqm (818 sq ft), while Canada boasts an average size of 181 sqm (1,948 sq ft).

Even in the United Kingdom and the United States with their larger average sizes of 818 sqm (8.8172 square feet) and 225sq m respectively ,the Graham Hill House wouldn’t stand out as extraordinary.

These statistics highlight how different countries have varying standards when it comes to living spaces and emphasize that what might be considered small or compact in one country could actually be quite spacious elsewhere.

London’s Minimum Space Standard

London’s Minimum Space Standard
Do you know what the minimum space standard is in London?

In the UK, there are regulations in place to ensure that residential properties meet a certain level of livable space. Known as the Minimum Space Standard, it specifies the minimum size requirements for bedrooms and living spaces.

This standard aims to ensure that individuals have enough room to live comfortably and safely within their homes.

Compared to other countries like Hong Kong, Japan, China, and India where population density is high and space is limited; London’s Minimum Space Standard helps promote a sense of freedom and understanding by providing adequate living conditions for its residents.

By implementing these standards, London strives to create an environment where individuals can feel safe while enjoying their freedom within their own homes.

Smaller Houses Take Less Energy to Build and Keep Habitable

Smaller Houses Take Less Energy to Build and Keep Habitable
Smaller houses require less energy to build and maintain, making them a more sustainable choice.

With their compact size, these homes have lower heating and cooling needs, reducing the environmental impact of energy consumption. Not only do they use fewer materials during construction but also require less furnishings and maintenance over time.

This cost-effectiveness extends beyond the initial building phase as smaller houses are often more affordable for buyers or renters in areas facing housing affordability challenges like urban centers with high demand for limited space.

Additionally, embracing compact living can contribute to addressing climate change by promoting urban density and minimizing sprawl.

By choosing smaller houses, individuals can make a positive impact on both their wallets and the planet while enjoying comfortable living spaces that prioritize efficiency without sacrificing freedom or safety.

Sources of Data

Sources of Data
When determining the country with the smallest building, it’s important to consider reliable sources of data.

  • Self-reported inaccuracies: Data on average house size can be based on self-reports, which may lead to inaccuracies.
  • Apartments and standalone houses: Averages include both apartments and standalone houses, so there may be variations depending on the type of dwelling.
  • Regional variation within each country: Different regions within a country may have different trends in building sizes.

It’s essential to take these caveats into account when analyzing data related to small buildings. By understanding potential limitations in the data, you can make more informed conclusions about which countries have the smallest buildings.

New Sources of Data

New Sources of Data
You can find new sources of data to determine the smallest building in a country.

When it comes to accuracy, relying solely on self-reported data may not provide the most reliable information. Regional variation is also an important factor to consider, as building sizes and regulations can differ from one area to another within a country.

To get more accurate and comprehensive data, researchers can look into official records such as building permits and codes. These documents provide detailed information about the size and specifications of buildings that have been approved for construction.

By analyzing this type of data, architectural historians and geographic researchers can gain better insights into the energy efficiency trends in different regions and identify countries with smaller average house sizes or unique small-scale structures that contribute towards sustainability efforts while promoting safety, understanding, freedom.

Caveats About the Data

Caveats About the Data
Keep in mind that there are certain limitations and considerations to be aware of when analyzing the data on average house sizes.

  • Self-reported data: The average house size is often based on self-reporting, which can lead to inaccuracies. People may overestimate or underestimate their house size, depending on various factors.
  • Averages include apartments and standalone houses: When calculating average house sizes, both apartments and standalone houses are included in the data. This means that the average could be skewed by large apartment complexes or small studio apartments.
  • Regional variation within each country: There’s regional variation within each country when it comes to housing sizes. Some regions may have larger homes due to cultural preferences or economic factors, while others may have smaller homes.

While these caveats should be kept in mind, it’s still clear that smaller houses take less energy to build and keep habitable than larger ones.

Frequently Asked Questions (FAQs)

How does the design of the Roll It Homes make it a multi-functional space?

The Roll It Homes’ design incorporates a clever use of space, allowing it to seamlessly transform from a living area to a bedroom. This multi-functional aspect enhances the versatility and efficiency of the living space.

What materials are used to build the One SQM House and why are they chosen?

The One SQM House, designed by Van Bo Le-Mentzel, is built using lightweight wooden frames that are easy to transport and assemble. These materials were chosen for their portability and versatility in creating functional spaces within the compact structure.

How are the rooms in Das Park Hotel constructed using recycled drain pipes?

Rooms in Das Park Hotel are constructed using recycled drain pipes, providing a unique and sustainable lodging experience.

The hotel rooms consist of double beds with side storage areas for pillows, sheets, and under-bed storage for luggage.

What makes the MuMA Hut the smallest house in the world?

The MuMA Hut holds the title for the smallest house in the world. Built by Romanian volunteers, this 15 sqm cottage showcases traditional materials and immerses you in nature while being indoors.

How does the design of the Keret House maximize the use of a narrow plot of land?

Maximizing the use of a narrow plot, the design of the Keret House is truly impressive. With its semi-transparent structure, well-lit interior, and attention-grabbing functionality, it defies expectations and proves that size doesn’t always matter.


To conclude, the country with the smallest building is Germany.

From the Roll It Homes at the University of Karlsruhe to the One SQM House by Van Bo Le-Mentzel, Germany showcases its ingenuity and creativity in designing miniature structures.

These tiny buildings, made from recycled materials and boasting unique architecture, are a testament to the country’s commitment to innovation.

Whether it’s portable nuclear power plants or cozy cabins, Germany proves that size doesn’t matter when it comes to architectural brilliance.

Avatar for Mutasim Sweileh

Mutasim Sweileh

Mutasim is an author and software engineer from the United States, I and a group of experts made this blog with the aim of answering all the unanswered questions to help as many people as possible.