The idea of sustainable development encourages the prudent use of rapidly depleting natural resources. Reusing damaged concrete as recycled aggregates (RA) also aims to decrease the need of additional depletable resources, such as aggregates which are available in natural form commonly said as natural aggregates (NA). Recycled aggregates attained by devastating the concrete are used as substitute materials in the present study for aggregate substitutions. The recycled coarse aggregates are attained from 30 year-old demolished structure. Natural aggregates have been substituted by 0%, 25%, and 50% with recycled aggregates. Physical and mechanical properties including the water absorption and stress–strain characteristics of concrete made by consuming recycled aggregates have been premeditated. The testing of concrete cylinders for stress–strain characteristics and prisms for flexural strength have been carried out in a 2500 kN servo controlled UTM. From the outcomes it is experiential that with the addition of natural aggregates up to 25% there is no substantial result on the mechanical properties of concrete casted by consuming RA. However, with 50% replacement of NA the firmness of demolished RA concrete is declined. Water absorption of RA concrete is also high, when associated with conventional concrete. The longitudinal breaking strain of RA concrete rises with the amount of field demolished recycled concrete coarse particles. In addition, the stress–strain curve appears to be similar to standard concrete.