maybe your wall...may affect his overall...brightness. will it be too shady after you build your wall?

again asking a neighbour permission is important, imagine your new neighbour reno kaw kaw...then remove alot of common stuffs and pipping crossing here and there...so with this consent...everyone needs to behave.

m2c

perhsaps the ts can do the reno but left 1inche boundary inside your area...no touching the boundary

the neighbour unable do anything...all the reno well inside your area