TT Gauge 1:150. The roof windows are made up of acetate panels. It is easier to fit these prior to roof construction - they can, however still be retro fitted.
Modelux TT Gauge 'Cheltenham' 4 Lane Double Length Engine Shed Kit
Modelux TT GAUGE 'Cheltenham' 2 lane engine shed kit
Modelux TT Gauge 'Cheltenham' 3 Lane Double Length Engine Shed Kit
Modelux TT GAUGE 'Cheltenham' 3 Lane Downspout Kit