The feasibility of this will depend on the roof’s strength, in particular its load bearing capabilities. This is simply because tiles are heavier than the metal sheeting. Normally a tiled roof will need to take a load capacity of 60kg per square metre. You will need a trusted roofing company to advise on this.
The large town of Telford is located in Shropshire, with a populace of just over 160,000. It's undoubtedly the largest town in the county and actually among the fastest growing towns in the UK. The region was only built up in the '60 and '70s as a brand new town on industrial and agricultural land. Make certain to use trustworthy tradesmen in Telford to keep your home up-to-date.