Landing shouldn't be a problem with the right technique and mental preparation to go around.
For take off, I once used over 900m of tarmac in a fully loaded Warrior on a very hot day. One of the CAA safety sense leaflets gives a good overview of all the factors to take into account - wet grass, slope, wind, etc., and the extra 33% fudge factor is a good idea.
Also, you need to decide early on if your takeoff isn't going to work! Much better to collide slowly with the fence than to clip it with your wheels as you fail to clear it!
