Drain Unblocking Cost Link

Transferring unblocking cost to customers (e.g., home drain insurance) vs. utility responsibility changes preventive behavior. Utilities in UK and Australia have adopted “first unblock free, subsequent charged” to reduce repeat incidents.

Often required for recurring blockages to identify root causes like pipe collapses or tree roots. These surveys cost between £90 and £500 ($150–$350) . drain unblocking cost

One specific, highly relevant paper: