Unidirectional (UD) carbon fibre reinforced polyvinylidene fluoride (PVDF) was manufactured using a laboratory scale composite line with in-line atmospheric plasma fluorination of carbon fibre surface. The resulting continuous UD carbon fibre reinforced PVDF prepregs were used to fabricate reinforced thermoplastic pipes (RTPs) via filament winding method. Winding angle of ±55° was employed as a preliminary study. The impact of APF treatment of carbon fibres on the hoop tensile strength as well as stiffness of the RTP is presented. Improvements in the mechanical properties of the RTP indicates the ability of stress transfer between the fibres and the matrix through the interface is enhanced and this is due to the improved adhesion between the fibres and the matrix by incorporating APF on the fibre surface.