[ref]Nash3vans[/ref], I purchased a plastic welder and managed to do a full repair. Really impressed with the results. Even managed to repair the side under trays that connect to the bumper.
This is the product. Highly recommended.
Sealey SDL14 50W Lithium-Ion Rechargeable Plastic Welding Repair Kit https://www.amazon.co.uk/dp/B08915QCJR/ref=cm_sw_r_cp_api_fabc_XFBX9P97X04SVD6PX2P4