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| Key Points | Details to Remember |
|---|---|
| 📝 Definition of hidden fees | Expenses not included in the listed price |
| 💰 Initial fees | Diagnostics, loan file, guarantees |
| 🏛️ Notary fees | Taxes and proportional fees |
| 🏢 Co-ownership charges | Maintenance, common services |
| 🏡 Taxes and levies | Property tax, residence tax (if applicable) |
| 🛠️ Maintenance and repairs | Renovation, compliance |
A real estate purchase is always accompanied by a series of additional fees that are often discovered a bit late. In 2025, some items remain unavoidable, while others are growing in importance. Beyond the sale price, you have to deal with expenses sometimes overlooked during initial calculations: technical diagnostics, notary fees, bank guarantees, or co-ownership charges. Exploring each expense line avoids surprises and ensures better control of your budget.
Sommaire
Initial fees to anticipate before signing
1. Property diagnostics
Regulations require a technical diagnostics file (DDT) gathering several reports: energy performance, asbestos, lead, termites… Depending on the location and age of the property, the bill can range between €300 and €800 on average. Without these diagnostics, the sale cannot legally be completed, and the buyer risks legal action.
2. Bank file fees and guarantees
Obtaining a loan often requires paying file fees between 0.5% and 1% of the borrowed amount. Added to this are the guarantees: surety, mortgage, or lender’s privilege (PPD). Depending on the chosen option, these fees generally range between 1% and 2% of the capital, sometimes with per-line pricing by the lending institution.
3. Agency fees and negotiation
If you go through an agency, its fees may be borne by the seller or the buyer. In 2025, these costs vary from 3% to 7% of the sale price including tax. When they are your responsibility, negotiating these fees represents an interesting lever to reduce the final bill.
Notary fees: an unavoidable item
1. Transfer duties
Commonly called “notary fees,” they mainly include transfer duties paid to local authorities. For an older property, expect around 5.80% to 6.50% of the sale price; for new properties, this rate drops to around 2% to 3%. These percentages include regional variations to anticipate.
2. The Notary’s Fees
In addition to taxes, the public officer collects proportional fees and a fixed rate for drafting documents. These amounts, regulated by the State, are scaled according to decreasing brackets: the more expensive the property, the lower the applied rate, but the amount remains significant. It is best to request a detailed quote before committing.
3. Disbursements and Additional Costs
The notary incurs disbursements for obtaining documents (land registry, cadastral map, etc.). These amounts, passed on to the buyer, often total between €200 and €400 depending on the complexity of the file. One might think these are minor amounts, but every euro counts when adding up all the fees.
Recurring Charges After Acquisition
1. Local Taxes: Property and Residence Tax
The property tax remains an annual obligation for every owner, calculated on the cadastral rental value. As for the residence tax, it tends to fade for primary residences but remains for secondary residences. The amounts can vary significantly from one municipality to another, so it is better to inquire at the town hall.
2. Condominium Fees
If your future property belongs to a collective complex, you bear a share of the common expenses: maintenance of common areas, central heating, security, etc. These charges often range between €20 and €45/m² per year, depending on the included services. The charge statements for the last three years, provided by the property manager, give a realistic estimate of the expected bill.
3. Home Insurance and Rental Risks
Subscribing to home insurance is mandatory from the moment the keys are handed over. A multi-risk housing contract generally costs around €150 to €300 per year for a standard apartment. Add to this the financial guarantee in case of a loan, sometimes included in borrower insurance, which protects the bank in case of default.

Maintenance, Renovation, and Unexpected Expenses
Beyond acquisition, the life of a home generates regular costs: boiler replacement, facade renovation, insulation work. A prudent owner plans an annual reserve budget corresponding to 1% of the purchase price of the property to face these unforeseen expenses without dipping into their savings. This practice proves particularly useful in condominiums where calls for funds can arise at any time.
How to Anticipate and Manage Your Overall Budget?
- Create a tracking table for each expense to identify heavy cost items.
- Compare several bank offers to minimize application fees and rates.
- Request a forecast of charges from the property manager before purchase.
- Check the tax and urban planning status of the property to avoid adjustments.
- Build savings dedicated to work and maintenance.
FAQ
- What makes up notary fees?
They include transfer duties, the public officer’s fees, and disbursements for obtaining administrative documents. - How to estimate co-ownership charges?
By consulting the charge statements from the last three years and analyzing the main expense items (heating, maintenance, management). - Can bank file fees be negotiated?
Yes, some institutions agree to reduce or waive these fees depending on the borrower’s profile and the loan amount. - What reserve should be planned for repairs?
It is recommended to budget about 1% of the purchase price annually to cover maintenance and renovations. - Is the housing tax still due?
It is tending to disappear for primary residences but remains applicable for secondary residences.