I manage a small boutique hotel in Central London, and the exterior is starting to look a bit grimy from the city pollution. We have a lot of decorative ironwork and a large wooden storefront that needs a refresh before the summer tourist season kicks in. The main issue is that we can't have scaffolding blocking the entrance for weeks on end, as it ruins the guest experience. Are there exterior decorators who work with cherry pickers or have faster turnaround times for commercial properties that need to stay open during the works?