Extra spaces are always a requirement and relief. Be it small, medium, or even large-sized houses, getting extra space for your house is always a YES! On Board Building Services is a one-of-a-kind house extension services in Illawarra and Wollongong suburbs ensuring a precision-planning technique with state-of-the-art tools to draw up plans for the impending extension of our client’s houses. Being cheaper than buying new houses undoubtedly, a house extension done by professional house extension and renovation specialists are an ideal solution. Extending the current property enhances your living space in the most ideal manner possible.