For example, in 1288 he granted the Abbey his manor of Southorpe, and when eventually the Abbey came to buy it, Beckingham lent them some of the cash to do so. In this way, contemporaries noted, Beckingham enabled the Abbey to circumvent the king's statute against land passing to the Church. As some point he appears to have also acted as agent and money lender for the Abbey, as well as hearing their cases that came before him personally in court, for instance, in the Abbey's purchase of Polebrook manor and when the Abbey found itself in dispute with the bishop of Lincoln and other Abbeys. He also acted administratively such as witnessing oaths of homage to the Abbey. It seems likely that Beckingham was responsible for building the nave of Holy Trinity Church in Bottisham, Cambridgeshire, in what has been described as "a fitting tribute to the climax of [his] career, his economic success, and his bond with the village." He was later interred in the same church where a monument – in the "place of honour in the centre of the nave," described as a "raised Purbeck altar tomb" – was dedicated to his memory. This monument had affixed to it a brass, showing Beckingham dressed in clerical robes rather than the official garb of the Bench. The plaque has since been stolen, but the inscription is faintly apparent in the stone beneath. It seems likely that it was removed by iconoclasts during the English Civil War: the inscription, surrounded by angels, was "cujus anime propicieteur Deus". (On whose soul may God have mercy.) At some point, Beckingham had given the church a silver chalice. He bequeathed the Abbey land, forest, watermills, and an annual rent of sixty shillings per annum on condition that two monks should daily pray for the Abbey and Queen Eleanor (d.1290) and provide a feast for 200 of the poor on the anniversary of the queen's death. Having been ordained, Elias Beckingham did not marry and had no children; his estates – those not left to Peterborough Abbey – were settled upon his niece and nephew, the daughter and son of his sister Isolde.