How window and door advertising can bring in measurements, not curiosity
The phone rings in the middle of an installation. On the other end a person asks how much it would cost to replace their windows, and the conversation gets as far as the dimensions and stops there. They agree that he will measure and call again, and that call rarely comes.
The conversation that starts from zero
The tradesman asks how many openings there are. The other end replies that it is a whole flat. He asks for the width and height of the largest window and there is a pause. The person says they will have a look and call back, thanks him and hangs up.
This person is not a weak customer. They saw an ad, recognised themselves in it and picked up the phone — they did exactly what the ad asked of them. They are missing the one thing without which the calculation cannot start, and nobody warned them beforehand that they would need it.
The second call rarely happens. By the time they find the tape measure, the person has already phoned a few more places and heard the same question. They begin to compare not quotes but impressions of the conversations — who was more patient, who spoke more clearly. The quote that was never written takes no part in that comparison.
Why the price here is not a single number
The price of windows and doors is the result of a calculation, not a label. The calculation takes in the size of each opening, the number of openings, the profile and the chambers in it, the type of double-glazed unit, which sashes open and how, the colour and the foil, the insect screens and blinds, the floor and the way the material is carried up, the removal of the old frames and the finishing around the opening.
Two flats with the same number of windows can fall into different price classes just because in one almost everything is fixed glazing, while in the other every sash opens and tilts. The finishing work around the opening moves the calculation separately and sometimes weighs more than the choice of profile.
That is why, when I write an ad in this niche, the number is the first thing I remove. Every number here is either the lowest possible case or inapplicable to the specific person. In both cases a mismatch follows at the quote, which the tradesman has to explain instead of selling. The product is not taken off a shelf. It is calculated, and the calculation has inputs.
The ad decides what the person arrives with
The promise in the ad is a contract for the next step. It says what the person will get if they click, and they arrive prepared for exactly that. An ad that promises a price produces people who wait for a number. An ad that promises a viewing produces people who wait for a visit. An ad that promises a calculation based on their openings produces people who come with their openings measured.
When I take on an account in this niche, I put two things side by side: the promise in the ad and the questions the tradesman asks in the first minutes of the call. The distance between them is where enquiries are lost. The person has brought one thing, and the other is being asked of them.
This is not a matter of persuasion but of self-selection. People do not bring data that nobody has asked them for. The filtering starts before the click: a person who does not intend to measure passes over a promise of a calculation based on their openings and clicks on a promise of a price.
A free viewing is not a weak offer. It moves the check on whether there is an order at all to after the expense — the van sets off before it is clear how many openings there are, whether the building is under renovation and whether the person who decides is on the other end. A viewing after the calculation starts from known data. A viewing instead of the calculation starts from nothing.
The same applies to the page after the click. If it steers the conversation towards arranging a visit, the person stops thinking about their openings and starts thinking about when they will be at home. Everything they know about their own order remains unsaid.
The enquiry form is part of the offer
A form is usually thought of as a door — the wider, the better. In this niche it is part of the offer itself. Each field does two things at once: it filters out people who have not yet got that far, and it collects the data without which the quote cannot be written.
Number of openings, approximate dimensions, floor, type of building, whether removal is needed, when the person wants it finished. A form with such fields lowers the number of requests, and that is the known half of the deal. That is why, when I open the form on a new account in this niche, it usually holds a name and a phone number. The other half stays invisible: the requests that get through a long form carry the input data for the calculation inside them.
One enquiry costs more than what was paid for the click. It also costs the work that has to be done to get it to a quote. A request with the data filled in turns the first call into a confirmation. A request with a name and a phone number turns it into an interrogation, which most people put up with only once.
People do not know how to measure
Some of those who do not leave dimensions are not holding back. It is not clear to them whether to measure the opening or the sash, from inside or outside, with the frame or without it. Their silence looks like a lack of interest, but it is a fear of getting it wrong in front of a specialist.
What is superfluous here is the demand for precision, not the demand for effort. A photo of the opening from a distance, width and height by eye, number of sashes — that is enough to give a range and arrange an exact measurement. The person has given something real, without taking on someone else’s work.
That is why the word “approximately” in the form weighs more than it seems. It allows the person to be wrong, and that permission is the missing piece. The tradesman sees a range instead of an empty field, and a range is already the start of a conversation.
The deadline is the second price
Besides the price, the person also brings a deadline. The two seasons in which demand rises — the warm months of renovations and the months before the cold — differ in what weighs most. One buys an improvement, the other buys peace of mind before the heating season.
An ad that is silent about the deadline puts in one pile the people who want it done before winter and the people who are thinking about next year. The tradesman recognises them only on the phone, if he gets that far at all.
The field for the desired deadline orders the queue. An enquiry for before winter and an enquiry for next year go in a different order, and the tradesman has no way of working that order out for himself from a name and a phone number. The answer also says something beyond the deadline: a person who has no idea when they want it done is usually not ready to measure either.
What you can check today
Open the latest enquiries that came from advertising and split them into two piles: those you could calculate straight away, and those for which a second call was needed just to get the dimensions. The second pile is the price of the current promise in the ad, paid in hours.
Then open the form itself and compare it with what you were missing on the second call. Check whether what was missing exists as a field at all. When it does not, the person did not skip it — the form did not ask for it.
Finally, read the text of the ad the way someone who has not yet measured anything reads it. See what it sends them forward with: an expectation of a number, an expectation of a visit, or their openings.
Frequently Asked Questions
Won’t the long form reduce the number of enquiries?
It does reduce it, and there is no point hiding that. The point lies elsewhere: the enquiries that remain carry the data you can calculate from straight away. The number of enquiries and the number of enquiries for which it was possible to write a quote at all are two different numbers. Which of the two you follow decides what the long form looks like.
Can I put a price in the ad to filter people out?
In this niche the number is read as a promise, not as a guide. A person who has seen it has already decided what they will pay, and any deviation in the quote requires an explanation instead of a sale. A more reliable filter is asking for data — it filters by readiness, not by price expectation.
What should I do with the people who leave only a name and a phone number?
They are not lost, just more expensive to process. Before you call, send a short message with what you will need in order to work out the price. Some of them come back prepared. The rest do not reply, which is also an answer — before time has gone on them.
Related: Advertising for windows and doors · Why a window and door enquiry is lost within the first two minutes · Digital audit
