If you want to install a bathroom in St Albans, Hertfordshire, the average cost is around £6,500. However, the final price will depend on how much you want to customise it, how big the bathroom is, and what fixtures you choose. For instance, if you want a modern wet room, it could cost more than a traditional one. If you contact us, we can give you a quote and all the information you need to make an intelligent decision about your ideal bathroom.