If you need copies of your Deeds from HM Land Registry please see this government weblink. Copies of Deeds are available to the public (for a small fee) and anyone can pay for and order copies.
Property Deeds are today called office copies of registered title. The office copies are a summary of the historic bundle of Deeds and the Register is maintained by HM Land Registry.
ESTATES & PROBATE
Where dealing with a family estate, or a loved one’s passing, you may need to obtain a Grant of Probate from the Probate Registry. See their weblink
The Probate Registry is a Government agency.
You will need to supply evidence that you are entitled to the Grant and to deal with the estate.
The beneficiaries of a Will can seek to Assent the property into their names and register this at Land Registry. Please see link here.
You will need the Will and various documents in support of the same.