Envirocon block By dealing with the unique slope of a certain envirocon block and creating a design that works for that slope, you can minimize the need for excavation and building retaining walls. Excessive excavation can create more problems in it itself such as interfering with the drainage, worsen erosion and may result to instability. Bricklayer Auckland The most widely used method for building on sloping lots are pole homes. This is because they offer the best views, provides small impact on the site and offers a significant amount of flexibility. As a matter of fact, pole homes are very easy to add extensions to. For More Info:-https://rfmasonry.co.nz/block-foundations/ https://rfmasonry.co.nz/brick-block-repair/