To provide a construction method for a concrete wall, which facilitates construction, and which can bring about high construction accuracy.

This construction method comprises: a step of installing a driving form 11 by arranging a plurality of form panel members 12 on a construction object site and supporting the plurality of form panel members 12 by a supporting means 15; a step of installing a detachable form 21 by arranging a plurality of form panel members 22 on the construction object site and supporting the plurality of form panel members 22 by the supporting means 15; a step of maintaining a predetermined interval between both the driving form 11 and the detachable form 21 by arranging an interval retaining means 31 between the forms 11 and 21; a step of driving concrete 36 between both the forms 11 and 21; and a step of detaching the detachable form 21 by dismantling the supporting means 15 for the driving form 11 and the detachable form 21 after the hardening of the concrete 36 and leaving the driving form 11 behind. Each of the form panel members 12 of the driving forms 11 is constituted by superposing at least two interior finish boards 13 on each other.