In brief:
- The average budget for a 5 to 8 sqm bathroom is between 5000 and 15000 euros.
- Labor represents about 50 percent of the total project budget.
- Relocating water inlets can cost up to 2500 euros: limit these changes if the budget is tight.
- A complete project takes on average 2 to 3 weeks including drying.
Bathroom renovation: key steps
Bathroom renovation is one of the most technical projects in a home. Plumbing, electricity, waterproofing, ventilation: there are many points of vigilance.
Defining needs
Before requesting a quote, put your priorities on paper: shower or bathtub, double vanity, storage, laundry area. Trade-offs are often made according to available surface.
Typical budget
| Item | Budget share | Range (6 sqm bathroom) |
|---|---|---|
| Labor | 50 percent | 2500 to 7500 euros |
| Tiling | 15 percent | 750 to 2250 euros |
| Sanitary | 15 percent | 750 to 2250 euros |
| Vanity unit | 10 percent | 500 to 1500 euros |
| Electricity, plumbing | 10 percent | 500 to 1500 euros |
Pitfalls to avoid
“The first pitfall is underestimating waterproofing. A poorly waterproofed bathroom deteriorates in 2 to 3 years.” — French Building Federation
Always have the liquid waterproofing system (SEL) under tiling checked by a professional. This item does not show but determines the project’s lifespan.
Project steps
- Demolition and removal of old equipment
- Plumbing and electrical rework
- Flooring and partition installation
- Waterproofing application under tiling
- Wall and floor tiling
- Painting and finishes
- Sanitary and vanity installation
- Final connections and tests
Available aid
For a bathroom adapted for elderly or mobility-impaired persons, MaPrimeAdapt’ can fund up to 70 percent of the works. 10 percent VAT applies to labor for homes over 2 years old.
Frequently asked questions
How much does a bathroom renovation cost?
The average budget for a complete bathroom renovation is between 5000 and 15000 euros for a 5 to 8 sqm room. A light renovation (refresh, vanity change) is around 3000 euros, against 15000 to 25000 euros for a high-end renovation with relocated plumbing.
How long does a bathroom renovation take?
A complete renovation takes on average 2 to 3 weeks: 3 days of demolition, 1 week of plumbing and electricity, 1 week of tiling and painting, then equipment installation. Add 1 to 2 weeks for finishes and drying.
Do I need a permit to renovate a bathroom?
For a renovation without modification of the external appearance and without creating surface, no authorization is generally required. In a condominium, check the rules: some works (plumbing, drain columns) require union authorization.