ABSTRACT Developing 3D photonic nanostructures with stimuli-directed controllability has been a burgeoning but challenging area in the field of optical materials as there are numerous opportunities in next-generation communication systems. In this study, polymer-stabilised blue phase I material systems with self-assembled 3D tunable photonic bandgap (PBG) were prepared by using different acrylate monomers. From the comparison of the electric responsive behaviours, the electrical tunability of the material system was noteworthyly improved by using chiral acrylate monomers. And a reversible electrically modulated large range red shifting of the PBG was achieved through the fabrication of the chiral polymer network. Besides, the optical quality and response time can be improved by increasing the polymerisable chiral monomer concentration.