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Insights & updates

Snagging, inspections, renovation and maintenance, the Bbl and the Wkb, and product updates, straight from the team building the dossier that runs on your model.

A large modern office building clad in a regular grid of glass curtain-wall panels, with taller brick and glass towers behind it against a pale sky, every floor and bay clearly repeated.
BblopenBIM

How a rule pack turns the Dutch Bbl into a pass or fail on your model

A building code is written for people to read. Model-based checking rewrites the checkable parts so a computer can run them against your IFC model, element by element, and hand back a pass or a fail. Here is how that works, with the Dutch Bbl as the example.

·6 min read
Two modern office buildings, one a tall tower crowned with a white triangulated structural frame and the other a lower block with a sculpted metal-and-glass facade, seen against a pale grey sky above green trees.
IDSopenBIM

What is IDS? The standard that says what a model must actually contain.

You asked for a model with the data in it, and half the doors have no width and half the walls no fire rating. IDS is how you write down, in a form the computer can check, exactly what a model must carry before anyone hands it over.

·6 min read
A residential building under construction wrapped in scaffolding, with a brick outer leaf, yellow mineral-wool insulation, glazing and precast panels being fitted to the facade against a clear blue sky.
CPRDPP

Europe is putting a digital passport on every building product. What the new CPR means.

The EU's new Construction Products Regulation is in force, and it puts a machine-readable data record on the things a building is made of. Here is what it asks, and why it reaches a Dutch site.

·6 min read
A completed contemporary Dutch apartment building of four storeys, facades in yellow-brown brick and white render, with large windows and a glazed ground-floor entrance, under a clear blue sky.
IFCopenBIM

What is IFC? A plain answer for the people who get sent one.

An IFC file lands in your inbox from the architect and everyone treats it as read-only. Here is what it actually is, in plain words: an open, vendor-neutral standard that turns a model into data you can question.

·5 min read
A row of newly completed Dutch apartment buildings under a clear blue sky, with brick facades in grey, white and warm brown, large glazed bay windows, and scaffolding still standing at the far end.
EPBDBbl

Europe's building energy rules are now Dutch law. What the EPBD changes.

The revised EU energy directive had to be national law by 29 May 2026. The Netherlands made the deadline, and the first rules are already in the Bbl. Here is what it asks of a new building.

·5 min read
Two completed residential towers in the Netherlands against a pale sky, one clad in red and glass and one in grey brick, both finished and in use.
Wkbgereedmelding

The dossier bevoegd gezag: what a complete gereedmelding needs for gevolgklasse 1

At gereedmelding the file has to be complete, or the building cannot be used. Here is what the dossier bevoegd gezag holds, and how to have it ready long before the deadline.

·6 min read