"Andy Pandy" wrote
| I've got a gutter downpipe which is blocked by leaf debris, I think near
| the top where there is a sharp angle in the downpipe. It has probably
| been building up for years. Trouble is it's in a position that is almost
| impossible to get a ladder to.
| Is there anything I could pour down the downpipe which would dissolve
| the leaf debris (without of course dissolving the plastic guttering)? I
can
| get liquid into the gutter easily enough from the skylight.

Have you tried a long bendy spring pipe cleaner shoved up from the bottom of
the downpipe? B&Q or plumbers merchants will have long bendy spring pipe
cleaners in a variety of lengths and thicknesses.

Owain