You’re viewing a property on the Geneva real estate market and everything seems perfect, except for the expensive parts. The kitchen is outdated, the bathroom is worn, the windows whistle. Before making an offer, you need a preliminary, credible, and jargon-free renovation estimate to assess the budget for renovating your apartment or villa.

The goal isn’t to arrive at a perfect figure. It’s about identifying the major expenses, establishing a range based on the property valuation, and then maintaining a margin. The amounts below are indicative for March 2026. An on-site estimate remains the only definitive basis.

The checklist to complete during the visit

Think of it like a doctor conducting a quick assessment, performing a preliminary technical analysis of the building. The finishes catch the eye, but the real cost is often hidden behind the walls.

Photo by Max Vakhtbovych

• Structure : look for diagonal cracks, soft floors, doors that rub.
• Humidity : look for odor, blisters, black joints, stains in corners.
• Kitchen layout : check the layout, ventilation, condition of the cabinets and pipework.
• Bathroom : observe the waterproofing, the shower slope, the marks around the fixtures.
• Electricity : look for an old electrical panel, few outlets, or makeshift additions.
• Plumbing : test the pressure, flow, and probable age of the pipes.
• Windows : note the glazing, condensation, noise, and the condition of the seals.
• Floors and paint : often cosmetic, unless the surface is warped or sounds hollow.
• Thermal insulation and heating system : cold wall, old radiators, energy bill to anticipate.
• PPE : request the regulations, the minutes of the meetings and the works voted on.

If there is humidity present and the windows and heating system need to be reviewed, the budget quickly increases.

At this stage, you are not looking for accuracy down to the last cent, but a technical expertise to know if the property requires a simple refresh, a technical renovation, or a major construction project.

Take advantage of the visit to ask three simple questions: what work has been done, when were the windows replaced, and has the electrical system been updated? A vague answer is not proof, but it will guide your safety margin.

Typical cost items in Geneva

In Geneva, in the canton of Geneva, labor costs and construction site constraints drive up renovation expenses. Therefore, use these figures to guide your renovation budget, not to sign a contract.

Here are the orders of magnitude observed in Geneva in March 2026.

Job	Indicative range	Quick reference
Kitchen	10,000 to 50,000 CHF	Standard, 20,000 to 40,000
Bathroom	10,000 to 40,000 CHF	Depends on the tiling and the networks
Electricity	80 to 150 CHF/m²	Or 2,500 to 6,000 CHF per piece
Plumbing	300 to 600 CHF/m²	Excluding major column replacements
Windows	1,000 to 3,000 CHF/unit	Plus if custom format
Floors	80 to 250 CHF/m²	Parquet and tile flooring
Paint	20 to 50 CHF/m²	Healthy support
Insulation	60 to 300 CHF/m²	Depending on the wall and access
Heating	200 to 300 CHF/m²	For underfloor heating
Humidity	Variable price	Diagnosis first
Structure	300 to 600 CHF/m²	Demolition, or something much more serious.

In practice, a partial renovation often costs between CHF 500 and 2,000 per square meter. A complete renovation typically costs between CHF 1,000 and 3,500 per square meter. If the property is old, damp, has many partitions, or if you are aiming for premium finishes with high-quality materials, quickly add 20 to 30%.

The tricky part is relocating the utilities. Keeping the kitchen and bathroom in their current locations is almost always cheaper. As soon as you move drains, water connections, or the electrical panel, the bill quickly climbs above the lower end of the price range.

Humidity doesn’t have a fixed price. The cause changes everything: a simple repair of joints, the need to create ventilation, a hidden leak, or a wall that needs to be treated.

These benchmarks correspond fairly well to renovation costs, but we must remain realistic: a kitchen cost estimate without electrical or plumbing work is rarely a true budget.

What’s really changing in Geneva

Price is only part of the story. In Geneva, the local context can change the cost, the timeframe, and sometimes even the feasibility.

Photo by Marcelo Borelli

In a condominium, the building regulations are just as important as the floor plan. Windows, ducts, facades, columns, blinds, ventilation—anything affecting the common areas may require approval. Also, read the meeting minutes, as they often reveal work that has already been discussed.

If you modify the layout, structure, or building envelope, verify the permit requirements and, depending on the property, the applicable LDTR regulations. In some older or listed buildings, heritage properties limit the available options. Regarding energy efficiency, renovation is a modern priority; consider a CECB energy performance certificate, cantonal subsidies for heat pumps, windows, insulation, and heating. If the project is suitable, a Minergie-like approach makes sense.

Add to that the logistics. A high floor, limited parking, or mandatory safety measures in common areas often lengthen the construction project.

Another reality in Geneva is that skilled tradespeople are in high demand. In spring 2026, the lead time for a serious renovation project could be 3 to 6 months. This is even more true for custom carpentry and bathrooms. To put these price levels into perspective across the country, this overview of renovation costs in Switzerland provides useful context.

Convert the visit into a budget before the offer

The simple mini method

This simple mini-method is part of a professional work planning approach.

Take your notes and classify each position into three categories, incorporating interior design for both cosmetic and technical aspects:

1. Cosmetics : painting, flooring, minor adjustments.
2. Technical aspects : electricity, plumbing, ventilation, windows.
3. Heavy : structure, installed humidity, redistribution of rooms.

Next, enter a low and high amount for each category, then add them together. Finally, add a safety margin. For an older property in Geneva, a generous margin is better than a costly regret. For complex projects, a project manager or rigorous site supervision ensures better control of deadlines and budget. If you want to establish a framework before signing, proactive renovation project management in Geneva helps validate the budget, feasibility, and timelines.

A simple example: CHF 25,000 for the kitchen, CHF 18,000 for the bathroom, CHF 12,000 for electrical work, and CHF 10,000 for windows. You’re already at CHF 65,000 before unforeseen expenses. With a 20% contingency, the total jumps to CHF 78,000. This quick calculation often changes the course of the negotiation.

Common mistakes

• Mistaking a coat of paint for a real renovation.
• Calculate the cost of the kitchen without including utilities, ventilation and lighting.
• Forget about PPE, permits and protection of common areas, unlike a house renovation where these constraints are absent.
• Underestimating the lead times of artisans and custom orders.
• Misjudging renovation costs or anticipating a complete renovation without a realistic margin.
• Make the purchase offer first, then discover the true cost afterwards.

The best approach is simple: deduct the average renovation budget from the purchase price, then set aside a reserve. If you still like the property after this calculation, you’ll be moving forward with a solid foundation.

Conclusion

Before making a purchase, you don’t need a vague promise. You need an honest budget forecast , based on sound indicators. In Geneva, the best valuation is done early, before making an offer, when there’s still time to negotiate, back out, or buy with complete transparency. Request a free quote or renovation advice now to move forward with peace of mind. A turnkey service will simplify the entire process. These steps contribute to the long-term appreciation of your property.

For more information on comprehensive, controlled and structured renovations, follow this link .