Mami House, Portugal, Architect José Carlos Nunes de Oliveira, £84,000 to build in 2017.
10 innovative low-cost homes built on extremely tight budgets in the UK, US, Denmark, Portugal, South Korea, Slovenia, Sweden, Vietnam
Wonderful pictures and links so you can research them further. On the DeZeen website. Most are in the £85,000 range — ~$105,000 in 2017.
