What does a hotel mock-up room actually decide?

A mock-up room is not there to show what the hotel will look like. It is there to fix, once and in writing, the level every other room will have to match. From that moment on, the people who make the furniture and the people who inspect it are looking at the same object.

What is a mock-up room, in contractual terms?

It is a sample. Not figuratively: in tender and contract documents the mock-up room falls under the heading of samples, the physical examples a supplier submits for approval before producing the rest. The most widely used general-conditions contract in the English-speaking world, AIA A201, puts it in one line worth reading in full: "Samples are physical examples that illustrate materials, equipment, or workmanship, and establish standards by which the Work will be judged." Samples set the measure against which the work will be judged.

Italian specifications carry the same idea under the heading campionatura, with a formula that recurs almost word for word from document to document: the supply shall correspond exactly to the samples submitted. So the moment a mock-up room is approved it stops being a preview and becomes the acceptance reference: the rooms that follow are no longer judged against the drawing, they are judged against that room.

It changes what approval day is. You are not looking at a room; you are signing the criterion by which all the others will be accepted, or refused.

Why does it have to be built before, not after?

Because its function is to hold production still until someone has said yes. The same contract sets out the two consequences: work requiring a sample does not begin until the sample has been approved, and the work must then conform to the approved sample, except where a deviation has been notified and authorised in writing.

A mock-up room built once production is running is not a mock-up room: it is the first room. It has lost the one thing that made it valuable, the ability to change your mind at almost no cost. Before production starts, changing the finish on a drawer front costs a drawing revision; afterwards it costs that same revision multiplied by the number of rooms, plus time.

What can a mock-up room approve, and what can it not?

It can approve everything that can be seen, touched and measured at full size. The real colour of the wood under the light that will actually be there, which is almost never the light in the rendering. Perceived dimensions, which matter wherever space is tight and every centimetre goes at another's expense. Materials that sit side by side on a sample board and two metres apart in the room. The sequence of what a guest does on arrival: where the suitcase goes down, where a wet coat hangs, where you can write. And the assembly details that never appear on a drawing, such as the gaps around doors.

It cannot approve compliance. This is the point most often confused. The fire reaction class of an armchair cannot be seen: it lives in a test report tied to one precise combination of cover fabric, filling and frame. A flawless mock-up room furnished with an uncertified sofa is a room that cannot be replicated, and no signature on the approval record fills that gap. The reverse is the expensive trap: changing the fabric after approval for aesthetic reasons can invalidate the classification, because the test covers the assembly and not the fabric on its own. We have written a separate guide on that.

What has to be settled before it is built?

Three conditions, and all three are questions of time.

First, the materials have to be production materials, not equivalents and not pre-series. A hide from a different batch or a slab from a different block approves something that cannot then be delivered. Where the material is natural, the reference belongs on paper with its number — slab, hide, batch — because a trade name identifies a category, not an object.

Second, the lighting has to be the final lighting, fittings included. A room judged under site floodlights is judged under different light, and wood and stone respond to colour temperature more than anyone expects.

Third, the people who approve have to be there together. Client, designer, and — if the hotel belongs to a chain — whoever represents the brand standards. An approval collected in three separate visits is not an approval: it is a list of opinions that will disagree later.

What gets written down on approval day?

Six things, on two pages.

A record with the date and who attended, in what capacity. A list of the materials actually installed, each with its reference: code, finish, batch, slab or hide number. The matching physical samples, kept in duplicate — one set with the client, one with the supplier — because a retained sample lets you compare rather than remember, months later. Square-on photographs with a dimensional reference in frame. An itemised snag list saying who does what and by when. And one line stating what the approval applies to: the room as a whole, or the room with the listed exceptions.

That last line is the most useful, because it separates an approval from an approval with reservations, and months later those are not the same thing at all.

What happens if something changes afterwards?

Something always does: a material is discontinued, a delivery slips, the client changes their mind. The contractual rule is simple, and worth applying even where the contract does not spell it out: any deviation from the approved sample must be notified and authorised in writing before it is made.

In practice that means a partial re-approval, not a new mock-up room: the item that changes becomes a sample in its own right, that one gets approved, and a line is added to the room record. Ten minutes that avoid the worst argument on a hotel site: two people looking at the same piece, one calling it compliant and the other not, with no document to settle it.

Why a hotel project is an argument about time

Because in a hotel contract the most valuable thing is time. A hotel that opens on the planned date starts invoicing on the planned date; every week of delay is a week of unsold rooms that never comes back. Compliant, certified and delivered on schedule are not three separate requirements: they are one thing seen from three sides, and the mock-up room is where you find out whether they hold together. Which is why it belongs in the programme with the same care as the orders themselves: too early and the final materials are missing, too late and it serves no purpose. We have written a separate guide on how that programme is built.

An overview of how we work on site and in the workshop is on the Contract page; pieces come either from our collections or from the designer's drawing. For a live project, get in touch.

Frequently asked questions

Can the mock-up be set up in the factory instead of on site?

Yes, and it is provided for: contract definitions of a mock-up refer explicitly to something constructed at the place of the work or off site. Setting it up in the factory brings the decisions forward by weeks and is often the only route while the site is unusable. What it does not reproduce is the real size of the room, the daylight and the position of the services: those stay to be checked on site.

If the hotel has different room types, does each one need a mock-up?

The right question is not how many rooms but how many distinct decisions there are. Types that differ only in size share the same material and detail choices. Types that introduce something new — an accessible room, a suite with furniture that appears nowhere else — introduce decisions no earlier approval has covered.

Does approving the mock-up room also approve the certificates?

No, and they are better kept apart in the paperwork too. Room approval covers appearance, dimensions and workmanship; fire compliance covers the assembly and lives in its test report. They are two separate checks, and one does not stand in for the other.

What do you do if a delivered room does not match the mock-up?

You compare it against the approved reference, not your memory of it. That is what the approval record, the retained samples and the photographs are for: they turn a discussion about taste into a check on correspondence.