Building extension construction
<p>A building extension creates <strong>additional usable space</strong> while enhancing the value of the property. This service includes the full construction of an extension integrated into the existing structure, built over an approximate surface of 50 m².</p>
<p><strong>In this package, the general contractor provides:</strong></p>
<ul>
<li><strong>The technical measurements</strong> of 15–20 linear meters for structural verification.</li>
<li><strong>The excavation</strong> and <strong>foundations</strong> adapted to soil conditions.</li>
<li><strong>The structural construction</strong> in masonry, timber frame or metal (height 2.6–2.8 m).</li>
<li><strong>The thermal and acoustic insulation</strong> meeting current standards.</li>
<li><strong>The weatherproofing</strong> and airtight installation: roofing, membranes, exterior joinery.</li>
<li><strong>The integration</strong> of electrical, plumbing and drainage networks.</li>
<li><strong>The installation</strong> of heating, ventilation and air conditioning if needed.</li>
<li><strong>The interior finishes</strong>: plastering, floor coverings, painting.</li>
<li><strong>The full site coordination</strong> until final delivery.</li>
</ul>
<p>This service is suitable for houses, apartment buildings, offices and commercial spaces requiring additional floor area. It applies to renovation projects as well as new extensions.</p>
<p>With the MySpecialist network, you benefit from an experienced general contractor. Enjoy a durable and well-integrated extension that enhances your property.</p>
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<h3>Frequently Asked Questions</h3>
<ul>
<li><strong>Why work with a general contractor for an extension?</strong> For safety, compliance and efficient coordination.</li>
<li><strong>How long does construction take?</strong> Around 8–12 weeks depending on complexity.</li>
<li><strong>Are administrative permits required?</strong> Yes, depending on the scope of modifications.</li>
</ul>
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