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BAST Designs L33 Narrow House in Toulouse's Bonnefoy District

architecture-design · 2026-05-11

BAST has completed the L33 Narrow House in Toulouse, France, a 370 m² project on a through parcel that serves as an urban infill gap between two townhouses. The site features dense vegetation and a majestic hackberry tree, which influenced the design. The project includes houses and offices, with structural engineering by I.STRUCTURE and thermal engineering by QPE. The house was completed in 2025.

Key facts

  • Project: L33 Narrow House
  • Architects: BAST
  • Area: 370 m²
  • Year: 2025
  • Location: Bonnefoy district, Toulouse
  • Structural Engineering: I.STRUCTURE
  • Thermal Engineering: QPE
  • Category: Houses, Offices

Entities

Artists

  • Hadir Al Koshta

Institutions

  • BAST
  • I.STRUCTURE
  • QPE

Locations

  • Toulouse
  • France
  • Bonnefoy district
  • Massé Street

Sources