At Niven Builders, we specialize in high-quality, custom home extensions that blend seamlessly with your existing home while enhancing your lifestyle and property value. With over 30 years of experience, we’ve earned a reputation as the trusted name in home extensions across the Mornington Peninsula. Whether you're expanding for a growing family, creating a home office, or adding a luxurious new living space, our team works closely with you from concept to completion to bring your vision to life.