Look at where the pipe goes
A downspout that disappears into the ground may connect to a storm pipe, foundation drainage or an older combined connection. The outlet should be understood before it is changed.
Choose a safe discharge point
Water should move away from the foundation without crossing a walkway, affecting neighbouring property or returning toward the home.
Keep the route maintainable
Hinges, cleanouts or accessible outlets can make seasonal maintenance easier. Buried piping should use a route and outlet that can be inspected.
General information only: Site conditions and programme rules vary. Confirm the home, permit and official programme requirements before starting work.