Repair is always important. I bought my house a long time ago. I've been through three renovations. The local climate in Sydney is not the most comfortable for buildings (or even people). I had different cladding options, including siding. The last thing I used was composite panel cladding - https://glamourdecor.com.au/services/ Consider the cost of professional work in your estimate. This way you get a professionally made facade and a guarantee of quality.