Doorless bathrooms are becoming increasingly popular for the elderly due to their accessibility and safety features. The cost of installing these bathrooms can vary depending on several factors such as the size of the bathroom, the materials used, and the complexity of the installation process. On average, the cost can range from $2,000 to $10,000. It is important to consider the long-term benefits and convenience that doorless bathrooms can provide for the elderly, making it a worthwhile investment. Contact a professional contractor to get an accurate cost estimate and to discuss the specific requirements of your bathroom renovation project.