Mark Found investigates surveying and design with a professional installer in his quest to build a model railway in his back garden.

Novice model enthusiast Mark Found installs walls made from railway sleepers and more than six tons of hardcore.

The avid enthusiast makes use of an old bilge pump as he is initiated into the world of water features.

Mark Found checks out the landscaped garden of model enthusiast and broadcaster Bob Symes.

Mark Found seeks expert advice from model enthusiast Bob Symes and is inspired to revamp his garden shed for his trains to travel through.

Mark Found takes a look at baseboards and drainage for the track, before getting a lesson in laying concrete.

Mark gets advice on building bridges for the railway from a man whose garden is filled with replica of famous structures.

Novice model enthusiast Mark Found explores ways of powering his trains.

Mark learns how to connect everything up; the trains are propelled by the very latest in technology.

Novice model enthusiast Mark Found discovers the tricks of the trade that will help him achieve his dream.

Mark meets a professional model maker who shows the delights of making buildings for the great outdoors.

Planting and looking after the greenery can be as much fun as building the railway as Mark finds out.

Mark gets advice on how to cope with the weather and small animals in search of a home.

Novice model enthusiast Mark Found adds the final touches to his creation before the grand opening.