Old buildings possess undeniable charm—a fact the Bochum Housing Cooperative recognized when planning a comprehensive modernization of their property complex in Bochum-Hamme. Rather than mask the attractive façade with standard insulation, they made a deliberate choice: preserve its character as the guiding principle throughout the renovation. This ambitious vision presented a significant challenge for Bochum-based Typ A. | Architects, who skillfully balanced two distinct building types while honoring every architectural detail worth preserving and respecting the era-defining style that defines the ensemble.

The project centered primarily on 1930s residential buildings, anchored at one end by a newer 1950s structure. While architecturally kindred in spirit, this later addition lacked the clinker brick detailing of its older counterparts. "Despite being more than 20 years younger, the masonry actually had poorer energy performance," notes architect Ole Wetterich. The solution: a composite thermal insulation system for this façade. The renovation also delivered a major bonus for residents—generous balconies overlooking the verdant courtyard, effectively adding an outdoor living space. Visual continuity emerges through the distinctive clinker brickwork in imperial format—elongated yet restrained—combined with concrete reveals framing the windows. The deliberately muted palette of three grey plaster tones projects quiet confidence. The 1950s building echoes this language, translating the color strategy of its 1930s neighbor onto period-appropriate window surrounds.

The stairwells received equally thoughtful treatment, preserving their original character through soft, warm greys and taupe-toned aggregate plaster. The stair treads create intentional contrast, finished in a classic oxblood red.
Tenants experience immediate benefits from the energy improvements. Meaningful savings in operating costs come from updated windows and roofing, while the individual apartment gas boilers have been replaced by two high-efficiency central heating systems.

www.typ-a.com

Photography Credits:

Sebastian Kautz
www.phototion.de

(Published in CUBE Ruhrgebiet 01|22)