The choir's anthem reverberates through the rafters as the offering bag reaches you. You put in a tenner, and a voice says, 'Thank you, madam, and do you have a St Philip's clubcard?'

Fortunately you've remembered the card, which means you'll get .005p off your next purchase from the church wine bar.

Something like this is being proposed at Birmingham Cathedral, by the new director of hospitality and welcome, Mark Hope-Urwin.

'We have to think of how we ...