I don't believe so. The window openings are a different shape and the S3 has window frames, the S1 doesn't. Also they are shown as two different parts in the Dave Bean cataloge.
Not likley to happen as the hartop is designed to dove-tail into the mounting arangment of cantrails and soft top which are unique to the type 26 series cars. ( a-pilar, bobin and tenax at the c-pilar and lastly the trunk hardware).