They Transformed a Basement with Dirt Floors into the Chicest 330-Square-Foot Studio

Apartment Therapy

by Adrienne Breaux

March 3, 2026

AI-Generated Deep Dive Summary

A Boston couple transformed a neglected 1885-era basement with dirt floors into a sleek, 330-square-foot studio apartment, proving that even the most challenging spaces can be reimagined into functional and stylish living areas. The project was accelerated after their house caught fire six weeks after purchase, forcing them to expedite repairs and redesign the basement during the recovery process. Completed in just three months with a budget of $80,000, the renovation resulted in a fully finished mother-in-law suite that doubles as a private Airbnb listing. The couple, led by Shardé Marchewski, founder of home decor brand Muse & Kin, designed every aspect of the space themselves, from selecting bathroom tiles to choosing statement fixtures and furniture. The studio features a separate entrance and its own utilities, making it entirely independent from the main house. This setup not only provides comfort for visiting family but also serves as an income-generating property through Airbnb. The renovation highlights how small spaces can be maximized with thoughtful design. Marchewski emphasized functionality without compromising on style, creating a space that feels both cozy and luxurious. The use of natural materials, bold art pieces, and modern fixtures

Verticals

designhome

Originally published on Apartment Therapy on 3/3/2026