One of the main reasons people hire a professional window cleaner in Bromley is that they believe the cleaner is more experienced and will do a better job. When you are thinking of hiring a commercial and residential window cleaning service in Bromley, there are some important things to consider. 

First and foremost, you should think about what type of window cleaning service in Bromley you need. Do you need a full-service cleaner who will clean all the windows in your house, or can you simply rely on them to clean a few selected windows? If you only need a few windows cleaned, then it may not be necessary to hire a full-time cleaner. In this case, it may be cheaper to just call a window cleaning service and have them come out to your home.

Next, consider the time frame for your window cleaning needs. Are you looking for someone to come out once per week or per month? Once per week might be enough for smaller windows, but if your windows are larger or more complicated to clean, then you may want to go with monthly services.

Finally, think about the cost of window cleaning services in Bromley. How much will the individual worker charge per hour? What is the minimum amount of time they will work? What is the total cost of their services? This information is important so that you don't end up overpaying for services that you don't really need.