Renovate your bathroom in Luxembourg: prices, steps and 3% VAT
Renovating a bathroom in Luxembourg costs between €8,000 and €45,000 depending on size, fittings and finish level. It is one of the most technical projects in a home: plumbing, electrical compliance, waterproofing, tiling and ventilation must be coordinated in the right order. If your home is over 20 years old and is your primary residence, the super-reduced 3% VAT (instead of 17%) applies to all works and labour, representing immediate savings with no complex paperwork.
Why and when to renovate your bathroom?
The bathroom is one of the most used rooms in a home: permanent humidity, temperature variations, cleaning chemicals. An installation over 20 years old starts to show signs that are more than aesthetic: blackened joints, detached tiling, dripping taps, failing VMC. In Luxembourg, where the property market is particularly sensitive to interior quality, a renovated bathroom adds measurable value to the property.
Concrete signals that it is time to renovate: persistent humidity marks or mould despite ventilation, cracked or detached tiling (infiltration risk), plumbing from before 2000 (ageing copper pipes or lead), electrical installation without 30 mA protection, or failing sanitary equipment. Waiting systematically worsens damage and final cost.
A bathroom renovation in Luxembourg involves up to 5 trades: plumber, electrician, tiler, painter and ventilation specialist. Coordination between them is the main source of delays and cost overruns.
Overall budget: ranges by size and finish
| Area and range | Approx. excl. VAT (LU 2026) | Incl. 3% VAT | Estimated duration |
|---|---|---|---|
| Small bathroom 4 m² — basic | €8,000 – €12,000 | €8,240 – €12,360 | 15-20 days |
| Small bathroom 4 m² — mid-range | €12,000 – €18,000 | €12,360 – €18,540 | 20-25 days |
| Small bathroom 4 m² — high-end | €18,000 – €28,000 | €18,540 – €28,840 | 25-35 days |
| Standard bathroom 6 m² — basic | €12,000 – €18,000 | €12,360 – €18,540 | 20-25 days |
| Standard bathroom 6 m² — mid-range | €18,000 – €28,000 | €18,540 – €28,840 | 25-35 days |
| Standard bathroom 6 m² — high-end | €28,000 – €45,000 | €28,840 – €46,350 | 35-45 days |
Luxembourg market ranges 2026. 3% VAT subject to eligibility: dwelling >20 years, primary residence. Excl. full plumbing/electrical restructuring (+€5,000–15,000 possible).
Detailed costs by item (standard 6 m² bathroom)
| Work item | Brief description | Excl. VAT (LU 2026) | Basic vs high-end |
|---|---|---|---|
| Removal and disposal | Old sanitary ware, tiling, bathtub removal | €1,200 – €2,000 | Same; longer if asbestos present |
| Plumbing restructuring | New pipework, water point adjustments | €2,500 – €5,000 | Basic: existing points; high-end: new points added |
| Electrical and ventilation | Dedicated circuits, VMC, humidity-compliant lighting | €2,000 – €4,000 | Basic: single-flow VMC; high-end: double-flow VMC |
| Waterproofing and wall prep | Membranes, joint treatment, structure check | €1,500 – €2,500 | Basic vs high-performance membranes |
| Wall and floor tiling | Tiling, grout, sealing | €2,500 – €6,000 | Standard tiles vs designer + epoxy grout |
| Bathtub or shower | Supply and installation | €1,500 – €4,000 | Acrylic bathtub vs Italian shower / island bath |
| Furniture and storage | Sink cabinet, mirror, column | €1,500 – €4,000 | Standard vs design furniture |
| Accessories and hardware | Taps, towel racks, backlit mirror | €800 – €2,500 | Standard vs thermostatic high-end taps |
| Painting and finishes | Walls, skirting, ceiling | €600 – €1,200 | Standard vs humidity-resistant paint |
| TOTAL — Basic | €12,000 – €18,000 excl. VAT | ||
| TOTAL — Mid-range | €18,000 – €28,000 excl. VAT | ||
| TOTAL — High-end | €28,000 – €45,000 excl. VAT | ||
Tradespeople regularly discover during removal that existing installations are far more damaged than expected: corroded pipes, brittle electrical insulation, rotting walls. Always reserve 10–15% of budget for unforeseen works. A €25,000 bathroom can easily reach €28,500 once walls are opened.
Work sequence: chronology to follow
Disposal of all old sanitary ware, tiling, bathtub. Structure inspection, damp and asbestos diagnosis. Main water circuit closure.
Circuit compliance, VMC installation, water supply and waste restructuring. All this BEFORE tiling.
Waterproofing membranes on wet areas, horizontal joint treatment. Shower walls sealed with high-performance membranes.
Wall and floor tiling on fixed adhesive bed. Cement or epoxy grout. Critical: at least 48 hours before water exposure.
Bathtub or shower tray, waterproofing joints, final water connections. 24-hour fill test minimum.
Sink cabinet, mirror, storage. Ceiling and wall painting. Final lighting.
Waterproofing and VMC test, thorough cleaning. Handover with 10-year decennial and 1-year perfect completion guarantees.
3% VAT: conditions and real savings
3% VAT applies if ALL conditions are met: dwelling over 20 years old, your primary residence, AED-approved contractor. The 3% rate applies to the entire invoice (materials + labour). On a €25,000 project, this saves €3,500 compared to the standard 17% rate.
Concrete example — standard 6 m² bathroom at €23,000 excl. VAT
- With 17% VAT: 23,000 + 3,910 = €26,910 incl. VAT
- With 3% VAT: 23,000 + 690 = €23,690 incl. VAT
- Net saving: €3,220
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Frequently asked questions
How much does bathroom renovation cost in Luxembourg on average?
A standard bathroom (6 m²) in mid-range costs between €18,000 and €28,000 excl. VAT. With 3% VAT: approximately €18,540–€28,840 incl. VAT. Small (4 m²) basic starts at €8,000 excl. VAT; large (10+ m²) high-end easily exceeds €45,000 excl. VAT.
Does 3% VAT apply to bathroom renovation?
Yes, if your home is over 20 years old, is your primary residence, and the company is AED-approved. The 3% rate applies to the entire invoice (materials + labour) — up to €3,500 savings on a €25,000 project.
How long does bathroom renovation take?
Expect 20 to 45 days depending on range and current state. Basic small bathroom: 15-20 days. High-end standard: 35-45 days. Critical timings: tile adhesive hydration (48 h), waterproofing test (24 h post-tiling). Unforeseen works (asbestos, structural repairs) may add 1–3 weeks.
Should I choose a bathtub or Italian shower?
The Italian shower is the modern standard in Luxembourg for space economy, contemporary design and senior accessibility. It generally costs less to install and uses less water. A bathtub makes sense with young children. Prefer separate shower + bathtub over a combination unit if both are needed.