The boss of Mere Golf and Country Club coughed up the cash for an extension to a residential home in Cheadle for autistic and physically handicapped children.
The businessman officially opened the charitable Boys and Girls' Welfare Society development last Wednesday.
"Something like this is a wonderful cause," Mr Boler told the Guardian on Friday.
"Organisations like these do an awful lot of good for those less fortunate than others. If people are in a position to help out they have a responsibility to do so.
"But you can't help everyone so the particular areas I tend to look at concern the young, elderly and underprivileged."
In September the Guardian told how Mr Boler donated £100,000 to set up a scholarship for South African students with the hope of producing a national leader.
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