If only construction services without any land value.... it will fall under 18% category in general...
But Services provided by way of Pure Labour Contracts of construction, erection, commissioning, installation, completion, fitting out, repair, maintenance, renovation, or alteration of a civil structure or any other original works pertaining to the Beneficiary led Individual House construction or enhancement under the Housing for All (Urban) Mission or Pradhan Mantri Awas Yojana. is Nil.[Notification No. 12/2017- Central Tax (Rate) Dated : 28th June, 2017].
Also .... Services by way of Pure Labour Contracts of construction, erection, commissioning, or installation of original works pertaining to a Single Residential Unit otherwise than as a part of a Residential Complex is also NIL [Notification No. 12/2017- Central Tax (Rate) Dated : 28th June, 2017].