Fraser Bond are the leading lettings and property management agents for Gasholders - London N1C. Gasholders is a residential building complex in King's Cross, London N1. Gasholders Nos. 10, 11 and 12 is known as the Gasholder Triplet. The development comprises 145 apartments and penthouses, built within a refurbished triplet of Grade II-listed, cast-iron gasholder guide frames, next to the Regent's Canal. The development was originally marketed by Knight Frank and Savills. The 123 cast-iron columns frame three new apartment cylinders, linked at ground level by a glazed cloister that looks.