On the W4 site someone is asking the same question. Here is a potted version of the replies:London Door Company - V V ExpensiveTraditional Windows and Conservatories - recommended and reasonable pricehttp://www.cotswood-doors.co.uk/home.htmlDoorworld in Gunnersbury AvenueEJ Bushell in AlpertonJ E Carpentry ServicesAlso, there's a place by the railway on Bollo Lane but I'm not sure if they do exterior doors.
Clare Gittins ● 5194d