Five hundred pounds worth of power tools were stolen from a van on Sunday (January 20).
Police said the Ford Connect van was parked in Holmcroft, Southgate, when it was broken into.
Tools stolen included drills and a sander and all were security marked.
Anyone with information can contact the police by calling 101 and quoting crime reference number 1176 of 20/01/13. Alternatively contact Crime Stoppers anonymously at www.crimestoppers-uk.org/utility-navigation/contact-us or call 0800 555 111.