You can search the complete BMD index at ancestry - you can have free access to ancestry at the library.
Death registrations post 1983 are pretty easy to find - pre 1983 you have to search quarter by quarter year by year - it can be very time consuming.
If you think the death (if it occured) may have been post 1983 PM me nd I will have a look
Suz
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Thornhill, Cresswell, Sisson, Harriman, Cripps, Eyre, Walter, Marson, Battison, Holmes, Bailey, Hardman, Fairhurst Noon-mainly in Derbys/Notts-but also Northampton, Oxford, Leics, Lancs-England Census Information is Crown Copyright, from www.nationalarchives.gov.uk