The Organ was built by Messrs Norman and Beard of London and Norwich, the specifications were drawn up by Sir George Martin, organist of St Paul's Cathedral in London especially for the City Hall. The workmanship and materials are of high quality, and the organ made from mahogany, teak and pine. Sir George Martin spoke of it as “a magnificent instrument in every gradation of tone, from the softest stop to the most powerful tuba being found in the organ, and all under the most perfect control, and that altogether the instrument must be regarded as an artistic and mechanical triumph”. There are altogether 3165 pipes varying from to . The wind was supplied by a Kinetic Blower worked by an electric motor.