Knowledge base: DS1140 and quality assurance
Practical articles on DS1140, control plans, control reports, structural classes and structural documentation – written for contractors, trade contractors and clients.
DS1140 and quality assurance
What is DS1140?
DS1140 is Denmark's standard for controlling load-bearing structures. A practical explanation of what it requires and who it applies to.
Read articleStructural classes KK1-KK4 explained
Structural classes KK1-KK4 explained: your building's class decides how extensive the DS1140 control must be, and what that means for you.
Read articleSelf-inspection vs. independent control - what's the difference?
Self-inspection and independent control complement each other under DS1140. See the difference, and when independent control becomes mandatory.
Read articleWhat is a B2 control plan?
B2 is the formal name for the control plan under the quality assurance order. See what it must contain, and why it's so often sent back.
Read articleWhat is a B3 control report?
The B3 control report documents that the control described in the B2 plan was actually carried out. See what it must contain, and why it often has gaps.
Read articleWhat is A5 / as-built documentation?
A5 as-built documentation shows what was actually built, including deviations. See what it requires, and why it's the last piece of the DS1140 process.
Read articleControl type, control level and control scope in a DS1140 control plan
Control type, level and scope are the three things every entry in a DS1140 control plan must establish. See the difference, with concrete examples.
Read articleWhat does BR18 require of static documentation?
BR18 requires static documentation for almost every building with load-bearing structures. See what the requirement covers and when it applies to you.
Read articleWhy do DS1140 cases get rejected - and what do you do about it?
Control plan rejected, B3 with gaps, or missing A5? See the most common reasons DS1140 cases stall - and how they get fixed.
Read articleDS1140 for contractors: who's responsible for what?
Under DS1140, the contractor holds main responsibility for self-inspection and B3 documentation on site. See what that means, and where it slips.
Read articleDS1140 templates: what can you use yourself?
A free template can structure your DS1140 documentation, but it doesn't fill itself in. See what a template can and can't do, and when you need help.
Read articleNew construction rules
New construction rules in Denmark and what your project should check
Review new construction rules in Denmark, effective dates and documentation. Check the main changes and clarify project responsibilities before work.
Read articleA contractor stop order on a Danish construction site
Understand a contractor stop order in Denmark, affected work and documentation. Check the authority process and organise follow-up before restarting.
Read articleAsbestos rules for Danish construction projects
Check asbestos rules in Denmark, company authorisation, training and documentation. Clarify the planned activity with a competent specialist before work.
Read articleSelective demolition in Denmark and the 250 square metre threshold
Understand selective demolition in Denmark, the 250 m² threshold and project roles. Check applicability, authorisation and planning before work starts.
Read articleThe demolition plan and the client’s MRK responsibilities
Organise a demolition plan and clarify the client’s MRK role in Denmark. Review appointment, project information and updates before covered work begins.
Read articleBR18 climate requirements and the documentation your project needs
Review BR18 climate requirements, project scope and documentation. Separate building and construction-process limits and agree the calculation inputs.
Read articleA4/A5 documentation for the construction process
Organise A4/A5 documentation for transport, energy and material waste. Agree records, units and reporting responsibilities with the calculation specialist.
Read articleOur DS1140 services
From the archive
2 March 2025
Why did it become a success?
Want to save money … and time? Our success is built on good communication and good cooperation.
Read article27 March 2025
Links to the new rules
Keep up with developments. The timeline shows when new rules, laws, norms and standards changed – including the certified structural engineer's role in BR18.
Read article2 March 2025
New app on the market for tradespeople
The new quality-assurance app from our sister company KS Assurement ApS – tailored to small and medium-sized trade contractors.
Read articleDS1140 structural documentation? Contact us, it's free.
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