Accurately forecasting the building works is vital to the survival of any business or organization. Building consists of many elements that need to be properly priced. Building estimation is useful for owner and consultant to determine the project scope; while for contractor it is normally used for bidding or tendering process. This book provides a simple guideline in doing elementary estimation of building works. It consists of 12 chapters giving example calculations of various building elements covering from excavation and earthwork until rainwater disposal system. Besides students in the construction environment, this book is also relevant for practitioners in the construction related industries such as building contractors, subcontractors, consultants or clients and also individual who are looking for knowledge related to building costing. Globalization era in higher education system and a great demand on construction related programmes in Malaysia has contributed to the publication of this book. Thus, this book is purposely written in English for the benefit of local and international students.