All building societies have signed up to this service and records go back 100 years. You can track down money in any building society that existed in the past couple of years even if it has been taken over or merged since then.
You can look online to find National Savings and Investments Products: www.nsandi.com
Lost Pension Plans
You may have an old pension plan you’ve lost track of you can start your search at the Pension Tracing Service. www.thepensionservice.gov.uk/tracing or call 0845 6002 537.or you can write to them at: Pension Tracing Service,
Lost Shares
If you think you owned shares but can’t remember the details or have lost the paperwork, you can get in touch with the three leading registrars for shares. They will do the search for you and, with any luck, turn up the evidence you need.
Lost Life Assurance Policies
For life assurance policies, the ABI recommends the Unclaimed Assets Register. It costs £25 to search for life assurance and pension policies. http://www.uar.co.uk/