£7m spent on vents, £3.7m on water pipes and £1.9m on cabling.
These are just some of the bills the Bank of England has racked up as it tries to make its 18th-century Threadneedle Street building fit for the modern age.
Regulation
How the Bank of England is spending £20m to keep its historic building intact
The Bank of England's Grade I listed building comes with a steep maintenance bill, FN analysis shows
