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​​​​​​We facilitate structural concrete reuse in Denmark and beyond.​​
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Contact us
contact@circrete.dk​​​
Supported by
circrete is the gateway for safe, structural reuse.
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We offer:
Reuse assessment of concrete structures according to DS/INF 671:2025.​
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Consultancy for structural reuse.
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Soon a match-making platform for structural concrete reuse.​​
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news
1 YEAR AFTER DEN LYSE IDÉ
The recap: How did the grant by Otto Mønsted Fonden enable us to found circrete and take the step from research to reality? A talk after this year's Tech Summit in Copenhagen.​​
05.11.2025
NEW ARTICLE IN BYGTEK
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Bygtek reported about the development of circrete's digital platform to make reusing old concrete elements in construction the new norm and our recent projects. Link
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31.10.2025
TSCHERNINGPRISEN
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We are super grateful for receiving the first Tscherningprisen at the Building Green Fair for our engagement in the transformation of the construction industry towards circularity. Link
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30.10.2025
MOCK-DOWN IN GLOSTRUP
We tested a concrete TT slab and a facade panel according to the new reuse assessment standard during a deconstruction mock-down of building developer AKF and Tscherning. Link​​
03.10.2025
BYGGERI DER BELASTER MINDRE
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Co-founder Luise presented at IDA Copenhagen what has to change in the built environment to scale-up structural concrete reuse and reduce emissions and use of resources. Link to recording
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30.09.2025
PROCEQ SPONSORSHIP
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We are delighted to team up with Screening Eagle (Proceq) who now provide us with world-class non-destructive testing equipment to assess reclaimed concrete elements. Link
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23.09.2025
NEW REUSE STANDARD
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Dansk Standard has just published the DS/INF 671:2025, a reuse assessment standard for structural concrete elements. We are excited to apply it in practice. Free download​​​​​
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11.09.2025
TECHBBQ IN COPENHAGEN
We had the pleasure of showcasing our mobile testing unit and the workflow for the direct reuse of structural concrete elements, alongside other inspiring startups in the UrbanTech Area. Link​​
28.08.2025
DENMARK AS A FRONTRUNNER
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New article about current challenges and opportunities of structural concrete reuse featuring professor Lisbeth Ottosen from the StructuralReuse group and circrete. Link
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24.08.2025
STUDENT RESEARCH REPORT
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Julie's work focused on evaluating the potential of reusing precast concrete elements through a Life Cycle Assessment (LCA) approach. Read it here.
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22.08.2025
TRACK + TRACE
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We received the first batch of RFID chips and are now further developing our approach to ensure safe, structural reuse through efficient data handling, bridging from research to reality.​​​​​
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04.06.2025
TESTING IN BISPEHAVEN
We went to Bispehaven to meet Marie Pilegaard from P. Olesen and test concrete elements on-site. More soon!
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23.05.2025
DTU START-UP DAY
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We had the great chance to pitch and present circrete at this year's DTU start-up day. We discussed current policy changes and shared our journey and goals with industry representatives.
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15.05.2025
EARTHBOUND GRANT
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Climate tech is the future! We were granted 150.000 DKK by Earthbound to accelerate our journey towards facilitating structural reuse. Thank you!!
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10.05.2025
MIKROLEGAT
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Thank you for supporting us with 25.000 DKK of funding to purchase testing equipment to enable safe structural reuse.​
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01.05.2025
VENTURE CUP 2025
We have been chosen as one of five early-stage start-ups in the "Green" sector of Denmark's yearly Venture Cup. More
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27.03.2025
SUPPORT FOR TESTING EQUIPMENT
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We have received funding to purchase testing equipment for our upcoming pilot project where we will test reclaimed concrete elements. A huge thanks to Mikrolegat!
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18.03.2025
COLLABORATION WITH DTU STUDENTS
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Julie Hetland Bülow investigates the impact of selective demolition practices in a special course during the spring semester at DTU. More
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15.03.2025
ADMISSION TO SKYLAB INCUBATOR
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We have a new office space at Skylab and are participating in the Incubator accelerator programme. More​
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01.03.2025
BRIGHT IDEA AWARD 2024: circrete WINS 250.000 DKK
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We won Otto Mønsted Fonden's Bright Idea Award 2024 for the best early-stage start-up and got a grant about 250.000 DKK to bring forward structural concrete reuse in Denmark. Link
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30.10.2024
SUPPORT FROM ABC RÅDGIVENDE INGENIØRER
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The engineers of Thoravej 29 support the experimental investigation of repurposing concrete hollow core slabs as walls in new buildings as part of a Master thesis at DTU.
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30.08.2024
RESEARCH GRANT FROM LISSY TAUMOSE FOUNDATION
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circrete co-founder Luise Dennin received a grant about 26.500 DKK from the Lissy Taumose Foundation for her research project on structural concrete reuse.
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28.06.2024
WINNING GRØN DYST 2024: 30.000 DKK TO FOSTER STRUCTURAL REUSE
We won this year's Green Challenge at DTU as the best Master course investigating challenges for structural reuse in Denmark. Link
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15.06.2024
