Very large amounts of money were required to save the castle and the University of Durham failed in its attempt to raise the necessary money. Heawood however refused to give up and for years he worked almost on his own as Secretary of the Durham Castle Restoration Fund to raise the cash.
Malaki halaga ng pera ay kinakailangan upang i-save ang kastilyo at ang University of Durham ay nabigo sa kanyang pagtatangka sa itaas ang kinakailangan ng pera. Heawood subalit tumanggi na magbigay sa up at para sa taon na siya nagtrabaho halos sa kanyang sariling bilang Kalihim ng Durham Castle Restoration Fund sa itaas ang cash.