Headlight Restoration Congleton — Optical Clarity Restored at Your CW12 Door

Modern polycarbonate headlight lenses are coated with a UV-resistant hardcoat at the factory — but this coating degrades over time under UV exposure, creating the characteristic yellowing and clouding seen on vehicles more than 5–7 years old. Once the hardcoat breaks down, the UV oxidation penetrates the polycarbonate itself, causing the opaque, milky appearance that cannot be removed by cleaning alone.

In Congleton, the combination of open-country UV exposure on rural routes and the fine grit from A34 and agricultural lanes contributes to surface scratching of the lens face that compounds the oxidation. This has a direct, measurable effect on beam output — MOT-standard headlight brightness can drop significantly through heavily oxidised lenses. Our restoration process wet-sands through the oxidised surface layer and machine polishes to a clear, smooth finish, then applies a new UV-protective sealant to slow future degradation.