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Transforming 258 SF Tiny Apartment in Barcelona: Water Tank Converted to Living Space

This 258 square foot transforming apartment in Barcelona was converted from a former water tank storage space in a building’s attic. Designed by architect Barbara Appollini, the space draws inspiration from small Japanese homes and space-saving boat furniture to create a living environment where walls and furniture serve multiple functions and nearly everything can be hidden away.

Apartment Specifications

  • Location: Barcelona, Spain
  • Size: 258 square feet
  • Designer: Barbara Appollini, architect
  • Original Use: Water tank storage for building
  • Position: Building attic
  • Outdoor Space: Roof terrace with city views
  • Design Inspiration: Japanese homes and boat furniture

Main Living Area

Barcelona transforming apartment main living space
Transforming furniture in Barcelona micro apartment


Video Tour

Interior Details

Space-saving design in Barcelona apartment
Multi-function furniture in tiny apartment
Hidden storage in Barcelona micro apartment
Compact bathroom in transforming apartment

Photo credits: Lucia Carretero

Lessons from Transforming Apartments

  • Unused Spaces Have Potential: Water tanks, attics, and storage areas can become living spaces with creative design
  • Transforming Furniture Multiplies Function: Walls and furniture that change configuration serve multiple purposes
  • Japanese Design Principles Apply: Compact living strategies from Japan translate to Western apartments
  • Hidden Storage Creates Calm: When everything can be concealed, small spaces feel uncluttered
  • Outdoor Space Extends Living: Roof terraces add usable area without increasing interior square footage

Related Tiny Apartments

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Alex

Alex Pino is the founder of Tiny House Talk, a leading resource on tiny homes and simple living since 2009. He helps readers discover unique homes, connect with builders, and explore alternative living.
{ 6 comments… add one }
  • Rekeaux Nyte
    July 30, 2011, 4:51 pm

    … AWESOME!!!!!!!!!!!!

  • July 31, 2011, 4:58 pm

    Haha, I think so too!

  • Sonia
    November 21, 2011, 10:13 am

    Absolutely stunning, I love this space. It’s perfect! =^)

  • RockyMissouri
    April 24, 2013, 11:23 am

    Thank you! So incredibly creative… Getting people to see their small spaces in a whole new way…….and make it look elegant, at the same time!

  • AL
    April 11, 2014, 9:50 am

    wow..this perfect, i meant like..whatelse do you need?! ..with the little terrace/balcony..sweet

  • agencia relax
    March 7, 2017, 3:02 am

    I ddo accept as true with all of the concerpts you have offered for your post.
    They are very convincing and can definitely work. Still,
    the posts are very quick for beginners. May just you
    please exend them a bit from subsequent time? Thamk you
    for the post.

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