As some may have read, i am putting an inground pool in soon.Right now i am about to build a new wood fence at the rear of my property.I am looking to level my backyard as it slopes downward and would like to build up the back portion about 1 and a half feet. My plan was to set the posts and then place forms to pour a concrete and rebar wall across the back and then build the fence from there upwards.My dilemna is there is currently a half a$$ed chainlink fence up.It is just on the inside of the property line. My neighbours father put it up a couple of years back.I offered to help and pay for half but he said don't worry about it.He has since deceased.His daughter and son in law + grandkids live there (and were there at the time of it being built) I agreed to have a gate in there for our kids to play since they were litlle at the time but that was a HUGE mistake.I voiced my concerns for my privacy for other kids using my backyard as a laneway to go play in their yard when i was home,entertaining friends and family or not at home and to this day i get from the daughter that it is her fence.The gate is chained and locked. I have no problem with that but in order for me to make a proper wall i will need access to form it and that means taking down the chainlink and putting it back up or giving up some of my property and then not being able to tie into the existing two side fence posts i have built. Part of me says bow down and ask permission but the other part of me wants to just build a double 2x10 nailed to the posts and fill the gaps and then backfill,put up the fence and have my kids paint on it "how do you like my fence".I would like to do it properly.I really do not care what it looks like as they will be the only ones seeing it as my end will be buried. Should i go with the wood 2x10's doubled up? Oh, i am footing 100% of the bill.I probably will need to build another 60ft fence in front of this one as they have tucked a nice composter next to the fence(coincidentally close to my current pool) and this is a climable object providing access to my backyard as per city bylaw.
What about cinder blocks?

David