Plan circular demolition in Roskilde

In Roskilde, you can see how circular demolition was planned at Musicon, the old concrete works the city bought in 2003. A pre-demolition audit of Hall 12 listed what could be used again before the selective take-down began.

What you can do in Roskilde

• Walk the Musicon district and see old factory ground turned into a neighbourhood (CityLoops on circular demolition)
• Ask the city to require a material audit before the next public building comes down
• Read the two CityLoops guides: one for the audit, one for selective demolition
• If you own a building, use the Copenhagen Værdibyg guide to set a reuse aim before you tender the job (Værdibyg circular demolition booklet)
• Ask designers to look at the audit while they draw the next building

How to join

Musicon is a public district of about 200,000 square metres, a former concrete factory and gravel pit. The city did not lock it to one fixed plan. Projects grow step by step with residents, builders, and the municipality. Hall 12 was audited by Golder: a desk study, then a field study, then a list of how to handle each material, including a store of saved parts. You can walk the district. You cannot join the Hall 12 works as a volunteer day. The audit is the pattern to copy.

Why it matters in Roskilde

An early list stops good doors, timber, and steel from being treated as rubbish. CityLoops found that contractors do not add this audit on their own after the contract is signed, so the city has to ask for it in the tender. A Danish client can follow the same idea with the Værdibyg steps: set an aim, survey resources, and write the handling rules into the tender. Find more community projects in Roskilde.

Good to know

• What is a pre-demolition audit? It is a list of materials, how much there is, how clean they are, and whether they can be used again, recycled, or must be treated as harmful. CityLoops says reuse is hard to promote without that list.
• When should the first clear-out happen? As soon as the last user has left, before damp and vandalism spoil loose items.

Source & repost

Shared here so you can get inspired or find action already happening near you. Solarpunker does not own or organise it.
Source: CityLoops: circular demolition. CityLoops received funding from the European Union Horizon 2020 programme, grant 821033. Also Værdibyg: Circular Demolition (Copenhagen, 2020).
Details checked: 2026-09-24.