Welcome To Kiwi Maintenance Group! Kiwi Maintenance Group has over 35 years experience in the exterior cleaning industry. We have the experience like no one else and know how to get the job done right, first time. At Kiwi Maintenance Group we specialise in all aspects of Commercial and Residential exterior cleaning, including: House wash Commercial Building Wash Glass & Window Cleaning Gutter cleaning Roof cleaning or treatments Rope Access / Abseil building wash and maintenance High Dusting Waterblasting Industrial Sweeping & Scrubbing Contact us for a one stop solution to all your exterior cleaning needs.