I live on the end of a terrace, but do not have side access to my back garden.
The bloke next door always felt it was his RIGHT to jump over my 6 foot fence into my garden, then over a 4 foot fence into his garden.
We all moved in around the same time as it was a new estate. When I asked him to stop he decided he’d start knocking on my door at the most stupid of times to be ‘let through’ my house, into my back garden and over the fence into his place.
Had to tell him ‘no more!’ and to get a key cut of his own. He lived with his Mother who wouldn’t allow him a key - so he took to climbing through the kitchen window at the front of the house instead! Wasn’t bothering me anymore thankfully, but the police were called a few times when people saw him sneaking into the house. They thought he was a burglar!
I don’t think you’re in the wrong - and if the neighbours don’t like the padlock, then tough. They’ll soon get used to it. As others have said, stick to your guns. Difficult at times when all you want is a quiet life. I’m disabled too and it’s too much hassle to be arguing with the neighbours. Lock your gate, shut your door and stay safe Savvy