A beautiful house. Go on line at the official site to get tickets for your visit. Seeing things in London the prices for the top seats are very very reasonable indeed. I would not miss the opportunity, get yourself a programme as well which will give you an insight to the opera you will be seeing.
If you own or manage Hungarian State Opera House (Magyar Allami Operahaz), register now for free tools to enhance your listing, attract new reviews, and respond to reviewers.