85 dB at 100 metres: measuring what Amsterdam pretends it can't
October 2025 — on being told the noise is fine while holding evidence that it isn’t
There is a specific kind of frustration that comes from a government that is simultaneously collecting your taxes and telling you that the problem you’re experiencing isn’t a problem. Not because they’ve measured it and found it acceptable. But because they’ve decided not to measure it at all, and are asking you to trust that their absence of data is equivalent to data that confirms your absence of a legitimate complaint.
This is the Amsterdam municipality’s approach to construction noise.
The situation
A large residential construction project. High-rise. The kind that takes years. The kind where the pile drivers start at 7:01 and the concrete pumps keep running until 18:59, and anyone who has the misfortune to live or work within a significant radius spends those hours in an environment that is measurably loud enough to cause hearing damage over prolonged exposure.
Dutch law sets limits on construction noise. The Activiteitenbesluit (Activities Decree) under the Wet geluidhinder (Noise Nuisance Act) establishes maximum permissible sound levels at the facade of sensitive buildings — homes, schools, care facilities. In general: 60 dB(A) during working hours, with specific exceptions for heavy activities like pile driving that permit higher levels for limited durations with notification.
What it does not permit is sustained 85 dB(A) at residential distances, day in and day out, without mitigation or at minimum honest acknowledgement.
What the measurements actually show
One Cadrim sound level meter. One bike path at approximately 100 metres from the construction site perimeter. One afternoon in October.
Readings: 85.0, 85.3, 85.4 dB(A). MAX hold: 85+ dB(A). Sustained, not peaks.
For reference: 85 dB(A) is the workplace threshold in the Netherlands above which hearing protection is mandatory. At 100 metres distance, the source is substantially louder than that — sound attenuates approximately 6 dB for every doubling of distance in free field conditions. At 25 metres, you’d be looking at around 97 dB(A). At the site perimeter: more.
The measurement equipment is a handheld Cadrim consumer meter, not calibrated lab equipment. Consumer meters at this price point typically have ±2 dB accuracy. That’s fine. You don’t need lab accuracy to demonstrate that 85 dB(A) at 100 metres represents a systematic violation, not measurement error.
The municipal response
The gemeente Amsterdam has an official complaint procedure for construction noise. You submit a complaint. They register it. They note that a measurement would be required to validate the complaint. They observe that their measurement team is available during working hours, which are the same working hours during which the construction occurs.
Then, somehow, by the time anyone with a calibrated meter gets to the location on the appointed day, the construction is doing something quieter than usual. Or the team was delayed. Or the complaint is acknowledged but the contractor has a valid exemption for that specific activity category under their permit.
The result, reliably, is nothing.
Meanwhile, the pile driving continues. The concrete pump runs. The residents file another complaint that disappears into the same system that produced the last non-response.
This is not incompetence. Incompetence would at least occasionally produce a useful outcome by accident. This is a municipality that has made a deliberate calculation: large construction projects generate tax revenue, employment, and housing units that can be pointed to as policy success. Residents who complain about noise are an administrative friction cost to be managed, not a constituency with legitimate rights to be served.
The correct response, from Amsterdam’s perspective, is to be reliably unavailable for measurement at the relevant moments, maintain plausible deniability through procedural adherence, and wait for the project to be completed and the noise to stop.
What taking it into your own hands actually changes
The honest answer: not much, in terms of immediate outcome. A consumer dB meter reading does not trigger enforcement action. The municipality has calibrated equipment and trained inspectors for a reason — your reading is inadmissible as formal evidence.
But it changes a few things.
It establishes that the problem is real. When you’re being told that the noise is within limits, or that they’ll look into it, holding a device that says 85.4 dB(A) at 100 metres is the difference between “I believe this is too loud” and “I have measured this and it is too loud.” Those are different positions in any conversation.
It removes the uncertainty. Construction noise, like all sustained noise, causes a kind of creeping doubt. Is it really that bad? Am I being oversensitive? The meter resolves the question. No, you’re not being oversensitive. It’s 85 dB(A). That’s measurably at hearing-damage threshold.
It creates a record. Timestamps, readings, photos with the construction site visible in the background. If the complaint procedure eventually produces a formal measurement and the result comes back suspiciously low, you have a prior data point. Context matters.
It is the only honest response to a system that refuses to engage honestly. The municipality won’t measure it accurately and has no incentive to. So you measure it. You bring your own data into a process that was designed to operate without any. It doesn’t fix the system. But it refuses to participate in the fiction that the problem doesn’t exist.
The bigger picture
Amsterdam promotes itself as a liveable, progressive city. In practice, the experience of being a resident adjacent to a major construction project is an exercise in understanding who the city government actually works for.
It is not the person paying the highest property tax rates in the country while being subjected to sustained above-threshold noise levels with no enforceable recourse. It is the developer who received the permit, the project that produces the housing units the municipality can put in its annual report, and the contractors who keep the timelines moving.
This is not a Dutch exception. It’s a universal truth about large municipalities: the administrative system is not neutral. It is calibrated to serve the interests of large, organised actors over small, individual ones. A resident with a noise complaint is one person. A construction project is a hundred stakeholders, a planning permission, a signed contract, and a political promise.
The response is not to stop complaining. It’s to be precise, documented, and relentless.
Bring your own meter. Write down the readings. Photograph the source. Submit the complaint with the data attached. When they tell you they couldn’t measure it, submit it again. When they tell you it was within limits, ask to see their measurement data, the time of measurement, and the weather conditions. Make them produce the bureaucratic output that proves their position.
You probably won’t win. But you’ll be harder to dismiss.

