Fraser Bond are the leading lettings and property management agents for 3 Merchant Square - London W2. 3 Merchant Square is an apartment building in Paddington Basin, London W2. HOMES FOR RENT at 3 MERCHANT SQUARE You can now rent or buy homes in this building completed in 2014. An estate agent with most apartments for rent and sale here is probably the local Fraser & Co. There are 201 apartments in total and 10,000 sq ft retail space in this 21-storey building. A selection of one, two and three-bedroomed apartments and penthouses, with balconies or winter gardens and full height glazing..