I have used Eaton X-Comfort on multiple jobs, mainly over in Norway as it seems to be a very popular option for Home Automation over there.
The system is mainly wireless and has simple interfaces, Controlled from a free download app on your phone.
It is not the cheapest out there but it is...
I work for More Control UK Automation, specialise in industrial automation, control panel building! happy to give advice and always keen to learn of new products and techniques. :)