Drains run deep; access needs to be at the surface. Risers bridge the gap, extending from the fitting below up to a cap or lid at ground level. Boundary trap risers (boundary shafts) are the classic example.
Broken, offset or buried risers are a common reason "the drain has no access" — the fitting exists, but its riser was lost to time or landscaping.
Extends buried drainage access points to the surface.
Above boundary traps, inspection openings and deep junctions.
A CCTV drain inspection is the standard way to confirm whether this is what's happening in your pipes: the camera shows the condition on screen, a locator pinpoints the exact position and depth, and you get a recorded report before any repair decisions are made.
A CCTV drain inspection shows exactly what's happening inside your pipes — no guesswork.