Dior 4 x 4…. January 2014 saw GNTC complete tiling works in the latest Dior boutique on Conduit Street, Central London. This brings the total number completed to 4 within a 4 month period including 2 swanky boutiques at Harrods. 0 Buxton Care Home tiling works in full swing…. GNTC set to make big splash in Nottinghamshire….