Hello
We've just had a whole load of good work done in our back garden by a local chap who runs his own garden maintenance company - he quoted to trim all of the trees/bushes, remove a couple of dead/unwanted conifers and took out the stumps, build a big slab base for a shed, build some other bits and pieces. He then extended the work to do some further tasks (including a set of very nice railway-sleeper raised beds) and all in all, did a thorough and (I feel) sensibly-priced load of work.
The thing is, he actually did more than we asked him to do; for example there was more pruning to do than we first agreed so he just volunteered and did the extra bits (which were in the front garden and above and beyond the original quote), and when he'd finished one job it'd encompassed more finishing off than we had expected - so he added a load of gravel and relaid part of a path such that it looks very very good indeed. A few other things which he "threw in" were pointed out to us by him - not in an ostentatious way, but so as to show us how thorough he'd been. The quote breakdowns he gave us before starting the work were spot on and the final bill added up to the exact amount he said it would be on those quotes. We certainly aim to use him again one day.
It would seem right to "tip" him now that we've paid the man for his work, which came to about £3k, but I don't want to insult him by giving him too little but then again we've spent pretty well all of our money and can't afford (say) a 10% tip.
Would 100 quid be a poke in the eye?
DDS