Around £250 in cash and some jewellery was taken.
The man was taken to hospital where he died at 9.22am yesterday.
His next of kin have been informed and are being supported by specially-trained officers.
Andrew Francis, aged 46, of West Wycombe Road has been charged with burglary dwelling with intent to steal, section 18 GBH with intent, assault of an emergency worker and criminal damage.
Francis appeared at Oxford Magistrates’ Court today (26/11) and has been remanded in custody to appear at Aylesbury Crown Court on 23 December.
A 39-year-old man from High Wycombe has been arrested on suspicion of conspiracy to commit burglary.
A 39-year-old woman of no fixed abode arrested on suspicion of conspiracy to commit a burglary has been released on police bail until 25 February 2023.