You notice the windows before Dad does. The kitchen looks dim even with the curtains open, and the glass over the sink has acquired a permanent-looking fog. Dad says he can wash them. He has a bucket. He has a ladder. He has been washing windows since before you were born.
All of that may be true. It does not mean every window is the same job.
The useful question is not whether Dad can wash windows. It is which windows he can wash with both feet on a steady surface, which ones require equipment or reaching, and whether hiring someone for part of the house lets him keep doing the part he likes.
Walk the house before choosing
Go around the outside together in daylight. Do not begin with the ladder. Begin with a piece of paper.
For each window, note whether it can be reached from the ground, opened and cleaned safely from inside, or reached only by climbing. Look at the ground beneath it. A flat patio is different from a sloped flower bed. A solid walkway is different from loose gravel. Shrubs, window wells, basement steps, air conditioners, and porch roofs can turn a simple pane into a complicated approach.
Then inspect the inside. Some windows tilt inward. Some have removable screens. Some are painted shut or swollen in their frames. If Mom always knew which latch to press and which screen corner to lift, Dad may be confronting a small mechanical puzzle before any washing begins.
Ask him to show you how one window opens. That is more useful than asking, "Can you do this?" The second question invites a proud yes. The first lets both of you see the actual job.
Give the do-it-yourself pile a clear edge
A reasonable Dad pile may include windows he can reach while standing on the floor or ground, provided the surface is dry and steady. It may also include windows that tilt inward without requiring him to lean through the opening.
Set out the supplies before he starts: a small bucket he can carry without sloshing, clean cloths, a squeegee if he likes one, and a towel for the sill. Check that he does not need to drag a hose across a walkway or carry water up steps. A half-full bucket is less impressive and much easier to move.
Watch the first window without hovering. You are looking for the ordinary sequence: open, wash, wipe, close, lock. Can he manage the latch? Does he brace himself on the glass? Does he become winded or unsteady while reaching across the pane? Does he remember to lock the window again?
If the first window goes smoothly, leave him some ownership. Dad may have opinions about streaks. This is not the moment to discover that you have inherited Mom's exacting standards.
Put ladder windows in a separate decision
Any window that requires a ladder, climbing onto a roof, leaning over a railing, or stretching beyond comfortable reach belongs in the hire-it-out pile until you have a better plan. That is true even if Dad used to do it every spring.
You do not have to declare him incapable. Say, "The ground-floor ones make sense for us. Let us get someone else to handle the high panes and the awkward side yard." You are dividing the work by access, not dividing the family into competent and incompetent people.
If you are thinking of doing the ladder work yourself, use the same test. Can you place the ladder on level ground? Can someone stay nearby? Can you reach the entire pane without leaning sideways? If the plan depends on courage, long arms, or Dad holding the bottom while giving instructions, hiring the high work is the cleaner choice.
Ask a window cleaner about the actual house
When you call, describe the house instead of asking only for a general visit. Count the windows, then note the second-story panes, storm windows, divided panes, skylights, porch enclosures, and basement windows. Say which screens should be washed and whether the inside glass is included.
Ask what the crew needs from Dad before arrival. Must furniture be moved? Should curtains be taken down? Do they need access to every room? Will they bring water and equipment, or use his outdoor tap? Who closes and locks each window afterward?
Also ask what happens with a window that will not open, a loose screen, cracked glass, or a damaged sill. Cleaning and repair are different jobs. Dad should not be asked to approve extra work at the door without understanding what changed.
Before choosing anyone, compare the same scope. One person may mean exterior glass only. Another may include inside glass, tracks, sills, and screens. Write the agreed tasks in plain language and keep the note where Dad can find it.
Make the visit fit Dad's day
A stranger moving through the bedrooms can feel larger to Dad than the dirty glass ever did. Tell him who is coming, roughly how long the work may take, and which rooms they need to enter. Ask whether he wants you there for the first visit.
Clear only what must be cleared. Do not turn window washing into a surprise house reorganization. Put anything moved from the sill back where Dad expects it, including the ceramic bird Mom placed at the kitchen window and the pen that apparently has lived behind the curtain since forever.
When the work is done, walk the house with Dad. Check that screens are seated, windows are closed, and locks work. Notice any latch or frame problem that was uncovered, but do not let the cleaner's visit become an automatic repair order.
What to do tonight
Do not wash anything tonight. Walk through the rooms with Dad and make three lists: windows he can clean from the floor or ground, windows that tilt inward, and windows that require climbing or awkward reaching.
Choose one easy window for him to demonstrate another day. Put the ladder away from the work area for now. Check whether the bucket, cloths, and window latches are usable. If you may hire the high work, count those panes and write down the access problems so your first call is specific.
Your goal tonight is one calm boundary: no one climbs until the two of you have decided who owns the climbing jobs.
When to ask the doctor
Window washing can reveal a change that matters beyond the windows. Ask Dad's doctor about it if he has become dizzy, unusually short of breath, unsteady when reaching, unable to see edges or steps clearly, or much weaker than he was during ordinary household tasks.
Write down what happened in simple terms: what Dad was doing, how long it lasted, whether he had to sit down, and whether it has happened more than once. If he falls, faints, has chest pressure, cannot catch his breath, or suddenly cannot move or speak normally, seek immediate help.
Add one line to the good-week card
Write: "The reachable windows are Dad's if he wants them; the climbing windows have another plan."
That line is not really about clean glass. It is about keeping Dad in charge of work that still fits him, while quietly taking the wobblier parts off his list. That is a good week.