LONDON, April 21 (Reuters) - Prime Minister Boris Johnson issetting up a new unit to deliver on his policies, his spokesmansaid on Wednesday, underlining the British leader's focus onhonouring promises he made to non-traditional Conservativevoters at the last election.

"I can confirm that the prime minister has decided toestablish a new central delivery function within government tobe called the Number 10 delivery unit," the spokesman said,referring to Johnson's office in Downing Street.

"This new unit will be small and will have a great deal ofauthority. It will ensure we have the strongest possibleapproach to support the successful delivery of the government'sagenda."

(Reporting by Elizabeth Piper; editing by James Davey) ((elizabeth.piper@thomsonreuters.com; 07979746994; ReutersMessaging: elizabeth.piper.thomsonreuters.com@reuters.net))