The cost of replacing conservatory roof can vary widely depending on several factors. These include the size of the roof, the materials used, and the complexity of the installation. Generally, the cost can range from £2,000 to £8,000 or more. Factors such as the type of material (e.g., glass, polycarbonate, tiled), the size of the conservatory, and any additional features like roof vents or skylights can all influence the final cost. It's important to get quotes from multiple contractors to compare prices and find the best option for your budget. Investing in a new conservatory roof can enhance the functionality and aesthetics of your home while potentially increasing its value.