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Planning documents
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Procedures
- Any construction, extension, façade change or change of use needs a building permit from the mayor before work starts.
- The application usually includes a cadastral plan extract, a site plan and the project drawings by an OAI-registered architect, plus an energy performance certificate for a new build or an extension.
- For a building from before 2001, have an asbestos survey done before demolition. For Klimabonus grants, involve an energy adviser before the works.
- Buildings with 3 or more dwellings, offices or shops: ITM (ITM-SST 1500 series) and CGDIS fire-safety requirements apply.
Frequently asked questions
What can I build in Mertert?
It depends on the PAG zone of your plot and on the PAP rules that apply there: height, number of storeys, setbacks, depth, number of dwellings. In Mertert, the PAG in force is the Version coordonnée mars 2025 (modifications 01 à 08, 10 et 11 ; PAG approuvé 23.08.2019, réf. 28C/013/2018). Enter your address in the Faire son Nid app to find your zone and plot.
Where can I find the PAG and PAP of Mertert?
On the municipality’s website and on the national geoportal. Direct links to the documents in force are gathered on this page.
Do I need a building permit in Mertert?
Yes, for any construction, extension, alteration or change of use. It is issued by the mayor of Mertert; information: Service technique de la commune de Mertert, Mairie, 1-3 Grand-Rue, L-6630 Wasserbillig (BP 4, L-6601).
How much does a renovation cost in Mertert?
As an order of magnitude in Luxembourg, allow €1,800–2,200 per m² excl. VAT for a basic full renovation, €3,150–3,850 for a heavy renovation and €4,000–4,500 for a high-end transformation, excluding VAT, fees and ancillary costs. The app’s simulator gives a range indexed on STATEC prices, with Klimabonus grants.