Is biobased construction always more sustainable? And by definition, is it also more expensive? An architect shares insights on budget management in projects that reduce environmental impact through the use of natural and biobased materials. How do you engage with the client and make sustainable design choices? Where can you find reliable product information and contractors, and how do you handle any uncertainties? And most importantly: how do you keep everything affordable? Concrete case studies show how to develop a realistic approach that maximizes sustainable ambitions.