Method for coke oven repair

abccba, bbThe ovens (F) are arranged side by side in a battery and are each delimited by two sidewalls formed by side bricks and joined by transverse bricks. The method comprises: cutting each sidewall to be repaired in accordance with a cutting plane (PC) defining a respective end flat face in the middle portion of the wall to be maintained and coinciding with the face of a row of transverse bricks facing an adjacent end wall portion which is being removed; providing in each flat end face, a pair of cutouts, each having in a basic transverse face, a longitudinal middle channel in which a tongue of new bricks from a new end wall portion is fitted; fitting in each cutout a corresponding portion of a vertical row of side bricks for the new end wall portion until the formation is complete.