This is why a good locksmith is important.
UPVC is very common in modern homes both for windows and doors. Getting the right type of lock for these doors or windows is important as it differs from wooden or metal doors. A simple euro cylinder lock can be easily opened. In fact in as little as 15 seconds a professional can open a UPVC door with a single euro cylinder lock. See this video below:
No matter where you live but particularly in Manchester, a high crime area, we recommend Anti-snap & Bump Cylinders installed by a professional locksmith.