Luxury home built from 97 tonnes of plastic, fabric, and glass waste in South Africa

A couple in Riebeek-Kasteel, South Africa, built a 305-square-meter luxury home using nearly 97 tonnes of reclaimed waste. The house, called EcoSpace, incorporates 55,636 kg of plastic, 26,115 kg of fabric, and 15,281 kg of glass, diverting materials that would otherwise go to landfill. The plastic alone equals about 4 million PET bottles, sourced from retailer Shoprite. The project is a proof of concept for Zerocrete, a material that mixes waste with cement alternatives, and aims to show that sustainability can coexist with high-end design. Zerocrete says the construction replaced 50% of cement with a low-carbon alternative, avoiding an estimated 283,000 kg of CO2 emissions. However, that figure is company-reported, not independently verified. The structural engineer also claims the building emits under 200 kg of CO2 per square meter, compared to 850 kg for conventional South African construction, but again these are estimates. The project created 36 jobs and trained local artisans in working with the new material. The home features visible recycled content: colored glass in countertops, fabric fibers in walls, and polished plastic floors. While it's a single demonstration, it raises questions about scalability, durability, and whether waste-derived building materials can compete on cost and performance in mainstream construction.