Across Britain, millions of workers are moving toward retirement without ever having looked at the number that will anchor their financial lives in old age. The UK state pension — soon to surpass £13,000 a year — is built quietly through decades of National Insurance contributions, yet one in eight people have never checked what they are owed. Like a foundation laid beneath a house one has not yet inspected, the structure may be sound or it may have gaps — and the window to repair those gaps is narrowing with each passing year.