Feel free to contact us directly if you have any enquires regarding accommodations. We are very pleased that you are choosing us and will answer all your questions.

For any Questions & Reservations

Recently inaugurated luxury apartments. The Onsider extended-stay residences are located in the most exclusive areas of Barcelona.

Completely renovated The Onsider offers you 31 apartments located in our 3 residential buildings and the rent of these apartments is non-touristic, with a minimum stay of 32 days.

Address The Onsider Aribau
C/ Aribau 306, 08006, Barcelona, Spain
Address The Onsider Paseo de Gracia
C/ Paseo de Gràcia 22, 08007, Barcelona, Spain
Address The Onsider Mercè
C/ Carrer de la Mercè 17, 08002, Barcelona, Spain
+34 935 952 430

Frequently Asked Questions

Visit our frequently asked questions page to get explaining answers to our most common questions.

Booking Online

We do not keep secrets from each other and our clients, and stay always open to you.

Renting Out

Team-building became very important part of our friendly and eventful team routine.


Our team is constantly increasing the level of mastery by visiting various seminars.

One team

The whole team meets every week to discuss various issues which happened during it.


We also search for modern and up-to-date solution of various routine problems.


All our products are thoroughly tested in accordance with the high quality standards.

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