Just last month, the Guardian described the housing crisis in Amsterdam as “next level.” And things are not much better across Europe as a whole. Prices and rents are soaring across the continent, and the lack of availability is staggering.  A Dutch startup wants to change that — at least for those willing to embark on the journey of building their own green home — and has just received €1.1mn in pre-seed funding to help it along the way.  Haaven is a digital platform that connects customers to builders of sustainable prefabricated homes, architects, and constructors to make the process…

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