Approved asbestos removalA house, garage or outbuilding to remove. Define the boundaries before the machinery arrives.
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Site access, neighbouring buildings and structural condition determine the approach. Connections, permissions and potentially hazardous materials must be identified before work starts. Demolition, sorting and removal form part of a clearly defined assignment.
A detached garage, an attached extension and a terraced house have different constraints. Identify the parts to remove, walls that will remain exposed and shared access. This separates building demolition from foundation removal, protection and reinstatement work.
State whether the project includes the slab, foundations and ground levelling. Mention any tank or live connection. Specify the final condition you expect: demolishing a building does not automatically leave a site ready to rebuild. If part remains occupied, identify access and supplies that must be maintained.
Explain the next project: rebuilding, a new access, a garden or a site left vacant for now. Distinguish the building, slab, foundations and external works. Complete demolition of a building does not automatically specify removal of every underground structure. Have expected levels and exclusions clarified using the information available.
Share existing plans and flag shared walls, roof junctions, common passages and known services. State which access routes are available and which still need agreement. Have the appropriate professionals define protection for retained parts and any repairs needed after the buildings are separated.
Before removing foundations or excavating, have utilities identified and arrange their disconnection with the relevant operators. Obtaining plans and removing connections are separate steps.
Before work starts, agree how completion will be recorded: cleared areas, retained structures, disposal and outstanding items. If another company will build afterwards, share the scope boundaries and site information gathered. A site cleared after demolition does not itself confirm that the conditions required for new construction have been met.
In Flanders, the sloopopvolgingsplan prepares waste identification and tracking. For sites subject to this tracking process, the sloopattest certifies removal of the waste using the collected records. Before work starts, clarify who collects these records and supplies the certificate before handover, under the conditions applicable to the project.
Official sources
In Flanders, demolition generally requires a permit, with conditional exemptions. In Brussels and Wallonia, also check the applicable procedure with the municipality before setting a start date. A quote is not permission to demolish.
Asbestos rules and official sourcesAn asbestos certificate does not replace investigation of the materials affected by the work. Some projects requiring a permit also need a demolition follow-up plan, or sloopopvolgingsplan, depending on building volume and use. Establish both scopes before requesting quotes.
Check the surveys needed before workFor the relevant authorisation files, the inventory must follow the regional template and be prepared independently of the asbestos-removal contractor. Gather plans of the areas to be opened, earlier reports and the building’s history. A visual management survey may need additional investigation.
Check the surveys needed before workSPW’s guide separates hazardous substances, non-hazardous waste and resources, and reusable components. Gather this information before requesting quotes. The waste and reuse assessments complement the asbestos investigation required to protect workers.
Check the surveys needed before workHave the final condition specified: materials removed, excavations left open or backfilled, proposed fill materials and final level. Identify underground structures left in place and documents to pass to the designer of the next project. Level ground does not establish that the site is ready for new foundations.
Only when these items are included in the agreed scope. State whether the slab should remain, how deep foundations must be removed and the condition you expect the site to be left in. These choices affect the equipment and waste removal.
Mention shared walls, connections to the roof and utilities passing through the extension. Identify what must remain before work starts, including the protection and repairs to coordinate with other contractors.