Well, are you interested in building a truly custom home, or one of those semi-custom homes from existing plans in a subdivision type of deal? I worked for a custom home builder back in the day & learned a lot. I have a thread from a few years ago on some interesting materials available:
http://www.portvapes.co.uk/?id=Latest-exam-1Z0-876-Dumps&exid=threads/modern-home-materials-technologies-discussion-thread.2409421/
You can build an extremely low-maintenance, high-efficiency home these days thanks to the availability of improved materials...ICF blocks, steel framing, etc. Check out newer stuff like
Tesla's solar tiles too (very durable, in addition to generating electricity). Modern floor tiles are amazing (porcelain/slate/ceramic).
PGT makes custom impact-resistant, energy-efficient doors & windows. You can make a super low-maintenance lawn with automatic irrigation, fertigation, concrete curbing, and a robotic mower. Lots of awesome stuff out there to build into your design if you're going full custom!