ArchiArk is a free HTML template for architecture and interior design released by Untree. It is basically a Bootstrap template including 7 ready-made pages (a home, about, contact, services and portfolio with single posts). Also, it comes with a bunch of useful sections such as testimonial slider, video modals, and more.
If you are an architect or an interior designer, this is a great resource you cannot miss to build your presence online. You might need to leave an email address to download the template.