Starting a house extension project might seem quite exciting and at the same time quite challenging. This makes it important that you plan enough before construction; whether you are adding a large living room, an additional bedroom, or a home office. This checklist will help to understand the key steps, including the definition of needs and familiarization with the local legislation and regulation, budgeting and selecting contractors. If you plan well, then your dream extension can turn into a reality and add value and use of space to your home while encapsulating your design tastes.