Home extension prices in Luxembourg

Average prices for an extension based on area in Luxembourg

The budget for a home extension in Luxembourg mainly depends on the created area.

• Extension of 20 m²: 30,000 € to 60,000 €
• Extension of 30 m²: 45,000 € to 90,000 €
• Extension of 50 m²: 75,000 € to 150,000 €

These estimates generally include:

• the load-bearing structure
• the insulation of the new space
• the interior partitions
• standard finishes

In Luxembourg, the average cost ranges between 1,500 € and 3,000 €/m², depending on the technicality of the work and the range of materials selected.

Budget based on the type of extension in Luxembourg

The type of extension you choose has a direct impact on the overall budget of your project. Each configuration has specific advantages and variable costs depending on your needs, the technical constraints of the work, and the regulations in force in Luxembourg.

Price of a veranda in Luxembourg

The veranda remains an accessible solution to enlarge your home.

For an area of 20 m²: 22,000 € to 50,000 €

• Aluminum structure: starting from 1,200 €/m²
• Wood structure: about 1,800 €/m²
• High-end insulated model: over 2,200 €/m²

This type of extension generally requires:

• concrete slab
• electrical connections
• high-performance insulation

Price of an attached garage in Luxembourg

The budget varies between 12,000 € and 40,000 € depending on the equipment.

For 20 m²:

• Simple version: 800 € to 1,200 €/m²
• Insulated and motorized version: up to 1,500 €/m²

Adding a floor increases the amount by 30 to 50 %.

Influence of construction complexity in Luxembourg

The technical complexity of your extension in Luxembourg directly influences the final budget of your project. Any intervention on the existing structure or significant architectural modification can incur additional costs, sometimes substantial, depending on the technical and regulatory constraints specific to the Luxembourg site.

Extension without structural modification

When the enlargement does not impact the load-bearing structure:

1,500 € to 2,200 €/m²

This solution is suitable for:

• enlarging a kitchen
• creating a bedroom
• fitting out an office

Extension with roof modification

When the roof needs to be adapted:

2,200 € to 3,500 €/m²

This type of construction involves:

• adjustment of the framework
• enhanced waterproofing
• in-depth technical coordination

Administrative procedures and associated costs in Luxembourg

Municipal permits are mandatory in Luxembourg.

• Simplified declaration: approximately 200 € to 400 €
• Building permit: 500 € to 1,500 € depending on the municipality

The intervention of an architect is generally required, representing 8% to 15% of the total project amount.

A soil study can cost between 1,500 € and 3,500 € in Luxembourg.

Why choose Avenir Rénovations Luxembourg?

Our general company coordinates all stakeholders:

• design
• site management
• technical monitoring
• adherence to deadlines

Thanks to our network of Luxembourg partners, we negotiate advantageous pricing conditions while ensuring impeccable quality.

Guarantees and support after work in Luxembourg

We offer:

• ten-year guarantee covering the solidity of the structure
• one-year perfect completion guarantee
• post-construction follow-up

Our goal: to ensure the sustainability of your extension and secure your investment in Luxembourg.

Tips to optimize your budget in Luxembourg

Your Project Manager analyzes your project for free to propose:

• tailored configurations
• materials with the best quality-price ratio
• optimized site organization

Our quotes are clear, detailed, and without hidden fees.