Window cleaning looks simple from the outside. A brush, some water, a few windows and the job is done.
But the reality is that modern residential window cleaning involves far more than simply getting glass wet. The condition of the windows, access around the property, the weather, the cleaning method and even what happens after the cleaner leaves can all affect the final result.
Here are three uncomfortable window cleaning truths that homeowners are rarely told clearly.
| Common claim | The reality | What it means for you |
|---|---|---|
| Every window should be dried by hand | Pure-water glass is normally left to dry naturally | Judge the result once the glass has dried |
| Rain ruins a clean | Rain alone does not automatically make clean glass dirty | Ordinary rain is not always a reason to cancel |
| Same window count means the same job | Access and obstacles can completely change the work | Mention conservatories, gates and awkward access when booking |
1. CLAIM: A GOOD WINDOW CLEANER SHOULD DRY EVERY WINDOW BY HAND
THE REALITY: Wet glass can be completely normal
With modern pure-water window cleaning, windows are often deliberately left wet after they have been cleaned.
That can look strange if you are used to seeing a traditional window cleaner finish each pane with a squeegee.
A Water-Fed Pole system works differently. The exterior glass is scrubbed using purified water, then rinsed thoroughly. The window is normally left to dry naturally rather than being wiped afterwards.
That does not automatically mean the cleaner has forgotten to finish the job.
The important part is what happens before the glass is left to dry. A good pure-water clean depends on sufficiently pure water, proper agitation with the brush, enough water flow, thorough rinsing and dealing properly with contamination around the glass.
If those stages are done correctly, the water can evaporate without leaving behind the mineral deposits commonly associated with ordinary tap water.
There is also an important distinction between water marks caused by the cleaning process and marks that were already present on the glass. Some staining can come from previous mineral deposits, building work, seals, paint, bird mess or other contamination. Simply adding more purified water does not automatically solve every mark.
A window being wet when the cleaner leaves does not automatically mean the job is unfinished.
For a deeper explanation, see why windows are sometimes left wet after cleaning and how pure-water window cleaning works.
2. CLAIM: RAIN RUINS A FRESHLY CLEANED WINDOW
THE REALITY: Rain gets blamed for more dirty windows than it deserves
This is probably one of the most common beliefs about window cleaning.
A homeowner has the windows cleaned. It rains later that day. The immediate reaction is often: “Great. That was a waste of money.”
But rainwater itself does not automatically make clean glass dirty again.
What often matters more is the contamination already sitting on the window or surrounding surfaces. Dust, pollen, dirt around frames and other airborne material can combine with water and become more visible afterwards.
That is very different from saying that rain itself has somehow undone the clean.
This is also why a little ordinary rain does not automatically mean that exterior window cleaning has to stop. Modern Water-Fed Pole cleaning can be carried out in many normal weather conditions.
That does not mean cleaning should continue regardless of safety. Dangerous ice, severe wind, unsafe ground conditions, restricted access or other genuine site hazards can mean that work needs to be postponed.
During colder weather, our system uses heated purified water, and the Water-Fed Pole system itself is heated as well. So cold weather alone does not automatically prevent normal residential window cleaning.
“It rained, therefore cleaning the windows was pointless” sounds logical — but it is often wrong.
Read our more detailed guide on whether window cleaners work in the rain.
3. CLAIM: TWO HOUSES WITH THE SAME NUMBER OF WINDOWS ARE BASICALLY THE SAME JOB
THE REALITY: The number of windows tells only part of the story
Imagine two houses. Both have ten exterior windows. At first glance, you might expect them to be practically identical jobs.
They may be completely different.
- a conservatory underneath upstairs windows;
- a large extension;
- a narrow passage down the side of the property;
- a locked rear gate;
- cars parked directly beneath windows;
- deep window sills;
- unusual glazing;
- leaded windows;
- windows that have not been cleaned for a long time.
All of these things can affect how the work has to be approached. That is why counting windows alone does not tell you everything about a job. The property has to be considered as a whole.
Access matters more than most people realise
A Water-Fed Pole can make many upper-floor windows accessible from the ground. That can be extremely useful because it reduces the need to work at height unnecessarily.
But that does not mean every window on every property can automatically be reached in exactly the same way. A conservatory, extension, narrow garden path or other obstacle may change the safest and most practical approach.
There is no single access method that is universally best for every property. Safety should always come before forcing a particular method to work.
Small details can make a big difference
Even something as simple as a parked car can affect access. A locked gate can prevent access to rear windows. Garden furniture, bins or other obstacles can reduce working space.
This is why communication before a window-cleaning visit is useful. If your property has unusual access, an extension, conservatory or another obvious obstacle, mentioning it when you enquire can help avoid surprises on the day.
Ten easy-to-reach windows and ten awkward windows are not the same job.
If access is a concern, our guides on windows above conservatories and extensions and locked gates and rear access explain the practical issues in more detail.
What should you actually look for when choosing a window cleaner?
The cleaning equipment alone should not be your only consideration. Using a Water-Fed Pole does not automatically make somebody good. Using traditional tools does not automatically make somebody bad.
What matters is whether the cleaning method is appropriate for the property and whether the work is carried out properly.
Before you book: a 60-second homeowner checklist
Before booking, take a quick look around the outside of your property and check:
- whether there is clear access to the rear and sides of the house;
- whether a car, bin or garden furniture blocks any windows;
- whether upstairs windows sit above a conservatory or extension;
- whether you have leaded, unusual or especially awkward glazing;
- whether a gate will be unlocked if you will not be home;
- whether you want a one-off clean or regular six-weekly cleaning.
If any of these apply, mention them when you enquire. That gives the cleaner useful information before arriving and helps avoid preventable access problems on the day.
For residential exterior window cleaning in Telford, we use a Pure-Water Water-Fed Pole system. Both regular six-weekly window cleaning and one-off cleaning are available. The minimum call-out is £19, and there is no automatic first-clean surcharge.
What to do before your next window clean
- Check access: make sure gates, side passages and the area below awkward windows are clear where practical.
- Mention anything unusual: tell the cleaner about conservatories, extensions, leaded glass, difficult rear access or windows that have not been cleaned for a long time.
- Judge the result after drying: if pure-water cleaning leaves the glass wet, allow it to dry naturally before deciding whether a visible mark remains.
If a mark is still visible after the glass has dried, note where it is and what it looks like. That makes it easier to distinguish fresh dirt from older staining or another issue on the glass.
Quick FAQ
Should my windows be dry when the cleaner leaves?
Not necessarily. With pure-water window cleaning, exterior glass is normally rinsed and then left to dry naturally.
Does rain automatically make freshly cleaned windows dirty?
No. Rain itself is not automatically the reason that marks or dirt appear on glass after cleaning. Existing contamination and surrounding dirt can also play a major role.
Can every window be cleaned with a Water-Fed Pole?
Not necessarily. Water-Fed Pole systems can reach many windows efficiently from ground level, but access, obstacles and safety still have to be considered.
Does window cleaning stop in cold weather?
Not automatically. Heated purified water is used during winter, and the Water-Fed Pole system is heated. However, dangerous ice, severe wind or unsafe access can still require postponement.
Do you offer one-off window cleaning?
Yes. Both regular six-weekly and one-off residential exterior window cleaning are available.
Final thought
These three window cleaning truths challenge some of the most common assumptions homeowners make.
Rain is not always the enemy. Wet glass is not automatically unfinished work. And two houses with the same number of windows can require completely different approaches.
The best result usually comes from understanding the property first and then using a cleaning method that actually suits it.
If you are considering exterior window cleaning in Telford, particularly if your home has awkward access, a conservatory, an extension or unusual windows, contact us and mention those details when you enquire.