Builders nowadays have experience in all types of constructions, including in narrow block house designs. If you are constrained with the land, you have and you can’t cover a large surface, you can build up. Adding several floors up provides the opportunity to have multiples bedrooms, bathrooms, relaxation areas, and whatever else you need. If you look through some designs, you will be amazed of what can be accomplished, and how tasteful block houses turn out to be. It is all about using all available space and designing it in such a manner that makes it look spacious and interesting.