Photos: Catholic bishop under pressure spending £25million on new palatial home in Germany

A German Catholic bishop faced pressure to resign on Wednesday after it emerged that his new palatial residence would cost £25m, over six times the original estimate.

Franz-Peter Tebartz-van Elst, bishop of Limburg, was investigated by a Vatican envoy last month after protests in his diocese against lavish spending.

His luxurious choice of home is at odds with Pope Francis's shift of the Church's focus towards simplicity and poverty.

The soaring cost of the stately residence next to Limburg's hilltop cathedral was made public by the diocese on Monday and was immediately criticised by churchgoers and officials.

Local Catholic Raimund Champert said: 'Such prestige projects simply does not fit with Catholicism

'The Church, like the Pope, has a responsibility to be humble and lead by example.

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Lavish: An aeriel picture shows the new building of the bishop's house which is said to have cost £25m

'We are not in the Middle Ages anymore.'

Christoph Hefter, a lay member of the diocesan council, said: 'The cost is shocking, it is beyond belief.'

Pope Francis, whose simple style contrasts with the more baroque tastes of his predecessor Benedict, whom he replaced in March, said last week he wanted the Church to serve the poor and strip itself of 'vanity, arrogance and pride.'

Tebartz-van Elst's finances will now be audited by a commission appointed by Germany's bishops conference. 

Archbishop Robert Zollitsch has indicated a final report could be ready in about two months.

Asked whether Tebartz-van Elst should step down, Rev. Reinhold Kalteier, head of the Limburg priests' council, said 'it is up to the bishops' conference and Rome now'.

Diocese spokesman Martin Wind said the 53-year-old bishop had appealed for trust and patience. 

He said: 'We will have to wait to see how the audit turns out to see where responsibilities lie, and who is to blame or not to blame'

Last month's visit by Vatican monitor Cardinal Giovanni Lajolo marked a new willingness in Rome to focus on the leadership styles of bishops.

One of the key messages of the current Pope's leadership is that he wants to be less aloof and closer to their congregations.

After Lajolo spent a week interviewing Tebartz-van Elst, his staff and his clerical and lay critics, the bishop said: 'I am very sorry for any carelessness or misjudgement on my part.'

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Prime location: The decadent residence is facing the Limburg Cathedral, right.