Indeed.. see: http://modelshop.co.uk/Shop/Model-Detail/1-500-Scale/
But no ladders..so far!
ah! - found..https://www.whiteensignmodels.com/p/WEM+1500+Extrafine+3Bar+Rails+Ladders+PE+5001/5332/#.V10_2KKupfY and https://www.whiteensignmodels.com/p/WEM+1400+Extrafine+3Bar+Rails+Ladders+PE+4001/5309/#.V10_1aKupfY
Now all I need is a UK supplier ;}
{edit} or even.. http://atlanticmodels.net/onewebmedia/RNRails%26Ladders350.jpg
David