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We facilitate safe
structural concrete
reuse in Denmark
and beyond.
Reuse assessment of concrete structures according to DS/INF 671:2025 including non-destructive testing.
Consultancy for structural concrete reuse focusing on deconstruction, quality management and reintegration of load-bearing elements.
Under development: A digital tool for efficient reuse assessments and transparent data distribution across the reuse value chain.
Contact us
Supported by
news
BÆRDYGTIGHEDSPRISEN 2026
Last Thursday circrete was invited to pitch at Verdis Visioner 2026, where we won Bæredygtighedsprisen! What an inspiring event, Verdi A/S, to learn more about tackling the waste challenge.
03.03.2026
LOOKING FOR REUSED ELEMENTS?
LS Hockerup A/S carefully dismantled intact structural concrete elements. We are happy to provide testing, material passports and consultancy. Link
Contact us under contact@circrete.dk
02.03.2026
NEW ARTICLE ON PROCEQ WEBSITE
We welcomed Julie and Lotta and went through a training session with great support from Proceq/Screening Eagle. We are ready to test your concrete elements! Read more
26.02.2026
WELCOME, JULIUS
Julius Naperkowski joined us as Technical Contributor to support us with the development of our on-site reuse assessment app. Link
08.02.2026
RESEARCH STAY AT EPFL
Co-founder Janin Brandt finished her research stay at the Structural Xploration Lab in Fribourg, Switzerland, where she explored connection design for reclaimed structural elements. Link
09.01.2026
VISSINGFONDEN GRANT
We are beyond grateful for receiving a grant from Vissingfonden for the technical development at circrete. Thank you so much! Link
04.01.2026
NEW ARTICLE IN JYLLANDSPOSTEN
Our former CEO Annika Bang Thomsen was interviewed by Jyllandsposten about our unexpected and quickly accelerating journey towards reuse at scale. Link
21.12.2025
GLÆDELIG JUL
Thank you so much for the support, the kind words and the opportunities to drive the circular transformation. We can't wait for 2026!
19.12.2025
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
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
31.10.2025
TSCHERNINGPRISEN
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
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
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
30.09.2025
PROCEQ SPONSORSHIP
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
23.09.2025
NEW REUSE STANDARD
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
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
New article about current challenges and opportunities of structural concrete reuse featuring professor Lisbeth Ottosen from the StructuralReuse group and circrete. Link
24.08.2025
STUDENT RESEARCH REPORT
Julie's work focused on evaluating the potential of reusing precast concrete elements through a Life Cycle Assessment (LCA) approach. Read it here.
22.08.2025
TRACK + TRACE
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.
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!
23.05.2025
DTU START-UP DAY
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.
15.05.2025
EARTHBOUND GRANT
Climate tech is the future! We were granted 150.000 DKK by Earthbound to accelerate our journey towards facilitating structural reuse. Thank you!!
10.05.2025
MIKROLEGAT
Thank you for supporting us with 25.000 DKK of funding to purchase testing equipment to enable safe structural reuse.
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
27.03.2025
SUPPORT FOR TESTING EQUIPMENT
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!
18.03.2025
COLLABORATION WITH DTU STUDENTS
Julie Hetland Bülow investigates the impact of selective demolition practices in a special course during the spring semester at DTU. More
15.03.2025
ADMISSION TO SKYLAB INCUBATOR
We have a new office space at Skylab and are participating in the Incubator accelerator programme. More
01.03.2025
BRIGHT IDEA AWARD 2024: circrete WINS 250.000 DKK
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
30.10.2024
SUPPORT FROM ABC RÅDGIVENDE INGENIØRER
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.
30.08.2024
RESEARCH GRANT FROM LISSY TAUMOSE FOUNDATION
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.
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
15.06.2024
