Building anew, deplorably cutting corners (14)

I believe the answer is:

reconstructing

'building anew' is the definition.
('reconstruct' can be a synonym of 'build anew')

'deplorably cutting corners' is the wordplay.
'deplorably' indicates an anagram.
'cutting'+'corners'='cuttingcorners'
'cuttingcorners' anagrammed gives 'RECONSTRUCTING'.

I've seen this clue in The Telegraph.

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