Filming a development while it's being built: how an in-build journey film works

Most schemes get filmed once. A crew arrives in the fortnight after practical completion, shoots a finished, empty, immaculate building, and delivers a three-minute film for the launch. It is usually a good film. It is also the first and only record of a project that took two or three years to make.

The problem is not that the film is bad. It is that it arrives after the decisions.

Avison Young counted 5.9 million sq ft of Central London office development due for delivery in 2026, and found 43% of it already pre-let by February that year — committed before the buildings were finished. Knight Frank's 2026 London Series puts numbers on how early those conversations start: occupiers looking for 50,000 sq ft or more begin their searches an average of 38.4 months before they intend to move in, against a conventional pre-let lead-in of 19.1 months before practical completion. For requirements over 200,000 sq ft it is 50.6 months.

Read that against a construction programme and the conclusion is uncomfortable. The people who will take your building start looking for it while it is a hole in the ground, a steel frame, a facade going on. That is the entire period most schemes never film.

Time-lapse is a different product, and it's worth being clear about that

If you have looked at filming during construction, you have probably been quoted for time-lapse. It is a genuinely good product and it does three things well:

• It produces an unarguable progress record, which is useful for the project team and for board reporting.
• It is cheap per month relative to what it covers, because nobody has to be on site.
• It gives you one satisfying payoff — 45 seconds of a building assembling itself, which people do enjoy watching.

Here is where it stops. A fixed camera on a pole records that a building happened. It cannot record why — what the architect was trying to do, what the client decided when the original plan didn't work, what makes this floorplate different from the one down the road. There are no people in it, no voices, and no argument. Nobody has ever forwarded a time-lapse to a decision-maker with the words "this is why we should be in this building."

The market has split along exactly that line. One group of production companies sells the finished asset — hero film, walkthrough, drone, show suite — and starts work at completion. Another sells construction capture, but points it at contractors and boards, as record, governance and tender support. Almost nobody sells the build period to the developer's marketing and leasing function as something that generates demand. That gap is the whole point of what follows.

What a journey film actually captures

Four things, none of which exist at practical completion.

The building in states that stop existing. The volume of a space before the ceilings go in. The view from a floor that has no glass yet. The original structure exposed before it is covered again — which on a retrofit is often the most interesting thing about the project and is visible for about three weeks.

The people, while they still remember. An architect explaining a decision six months after making it is precise and specific. The same architect two years later gives you a summary. Interviews filmed during the build are better interviews, and they are the material that makes a launch film an argument rather than a montage.

The moments that happen once. Topping out. The day the facade turns a frame into a building. First fix. The first time you can stand in the reception and understand the scale of it. Miss the week and it is gone — there is no reshoot on a construction programme.

The craft. Trades doing skilled work, materials arriving, the parts of a building that cost real money and are invisible once they are finished. This is also the content that performs, because it is the only footage in property marketing that most people have never seen before.

How it runs alongside a live build

The rhythm follows the programme, not the calendar. That distinction matters more than it sounds.

It starts with a scoping visit and a read of the construction programme with the project team — marking the phases where the building changes visibly, which is where the shoot days need to land. Enabling works and demolition. Structure and topping out. The envelope going on. Fit-out. Handover. Between those, a site can look identical for two months; through them it can change in a fortnight.

Each visit does two jobs at once. It produces something you can use that month — a short piece for LinkedIn, an update for investors or a JV partner, something for the agents to have in hand. And it banks material for the film at the end, which is the difference between a launch film cut from a fortnight of footage and one cut from two years of it.

Filming on a live site is its own discipline: fitting shoot days around the contractor rather than across them, working with site management, and knowing which weeks of a programme will actually yield usable material. Get that wrong and you have a crew standing in a car park. It is the reason this is scoped against the programme at the start rather than booked in as a monthly diary entry.

What you have, six months before you launch

A scheme that is being followed rather than announced.

The commercial value is not the launch film, though you get a better one. It is that the building stays visible through the dead middle of the programme — the eighteen months when there is nothing to show and no reason for anyone to think about your scheme. Agents have something to send after a meeting. The leasing team has something to open one with. Your own board and investors get a report they actually watch. And when you do launch, you are launching to a market that already knows what the building is, rather than introducing it cold to people whose shortlists closed a year ago.

We wrote up how this played out on Film House in Soho for Hines — a Soho refurbishment marketed from behind hoarding, with a film series rather than a single flagship piece. The film itself is here.

Which budget it comes out of

This usually sits better in the project marketing line than in an annual marketing budget, and it is worth structuring it that way. It is a cost attached to a specific scheme, drawn down across the programme rather than in one hit, and it is easier to get approved as part of a development's marketing allocation than as an addition to a departmental spend that was set last year. If you are the person who has to argue for it internally, that framing is normally the shorter route.

For what this costs and what moves the number, we have written that up separately: what a development film costs.

When to start

Earlier than feels natural. The instinct is to wait until there is something worth looking at, and by the time a building looks like something, the most distinctive footage is already behind hoarding or behind plasterboard. The argument for starting early is one we have made in full here.

If you are already mid-programme, that is not a reason to write it off. Starting at structure is better than starting at fit-out, and starting at fit-out is better than starting the week before launch. The only genuinely bad option is the one most schemes take, which is to start when it is finished.

Building something worth following? Let's scope the campaign. Send us the scheme and the completion date and we will tell you what is worth filming, and when.

You can also read more about how we approach pre-launch content campaigns.