Definition
The face rent and the effective rent are two ways of measuring the cost of an office lease.
The face rent (or nominal rent) is the price listed by the landlord, expressed in €/sq. m/year, excluding taxes and utilities. This is the figure that appears in real estate listings and on the lease. It is also the figure that does not reflect what you actually pay.
The effective rent is the actual cost of your occupancy once all negotiated benefits are factored in: rent-free periods (free months), graduated rent (reduced rent in the first few years), the landlord’s contribution to fit-out costs, and any other financial benefits. This is the figure that matters when comparing offers and managing your budget.
How to Calculate Effective Rent (Formula and Method)
The Basic Formula:
Effective Rent = Nominal Rent - (Value of Benefits ÷ Fixed Commitment Period)
Benefits to Include in the Calculation:
The rent-free period. Months during which you do not pay rent. In the current Paris market, standard rent-free periods are 1 month per year of the fixed-term commitment (6 months for a 6-year commitment, 9 months for a 9-year commitment). In areas with high vacancy rates (La Défense, Northern Inner Suburbs), rent-free periods can reach 1.5 to 2 months per year.
The rent escalation schedule. A reduced rent during the first few years, which gradually increases to the base rent. Example: €400/sq. m./year in the first year, €475 in the second, then €550 starting in the third. The savings are calculated based on the cumulative difference between the rent step and the base rent.
Contribution to renovation costs (or “renovation support”). The landlord covers part of the tenant’s fit-out costs: partitioning, painting, carpeting, and wiring. In the Paris market, these contributions range from €100 to €400 per square meter, depending on the condition of the premises and the length of the lease. This amount is deducted by amortizing it over the fixed term of the lease.
5 common mistakes when comparing offers
1. Comparing base rents directly. This is the most common and most costly mistake. Two offers at €500/sq. m./year and €600/sq. m./year may have the same effective rent if the second includes a longer rent-free period and a renovation contribution.
2. Forgetting to include service charges in the comparison. The base rent is exclusive of taxes and service charges. Rental charges (€80 to €150/sq. ft./year in Paris) can vary considerably from one building to another. Always compare the total cost: effective rent + charges + taxes.
3. Failing to standardize the time horizon. Comparing a 3-year offer with a 6-year offer without adjusting the calculations skews the comparison. The economic rent must be calculated over the same lease term to be comparable.
4. Ignoring the residual value of the renovations. If the landlord finances €200/m² in renovations and you move out after 3 years, you have benefited from these renovations for 3 years. But if the improvements have a lifespan of 10 years, you have financed most of them through your high nominal rent, and it is the landlord who benefits from them after you leave.
5. Neglecting the restoration clause. The renovations financed by the landlord are often contingent on restoring the space to its original condition upon move-out. If you have to dismantle everything when you leave, the restoration cost (€100 to €300/sq. m.) offsets part of the initial benefit.
Operated office vs. traditional lease: why effective rent is a game-changer
In a traditional lease, calculating effective rent is complex and requires juggling multiple parameters (deductible, tiers, renovations, variable charges, restoration). It is a technical exercise that many companies, especially SMEs without a dedicated real estate department, do not fully understand.
The managed office model radically simplifies this equation: an all-inclusive monthly fee, with no deductible to calculate, no capital expenditures to amortize, and no restoration clause. The face rent is the effective rent.
This is one of the advantages of the model offered by operators like Sora: complete pricing transparency. The Host knows what they’ll receive, and the Guest knows what they’ll pay. No complex negotiations over deductibles or tiered rates: one price, one service, and clear budget visibility.
Checklist: Questions to Ask Before Signing
Before comparing office offers, always ask each landlord or agent these questions:
What is the base rent (excluding VAT and utilities) per square meter per year? What rent allowance is offered?
Is there a progressive tiered structure? What contribution toward renovations is offered, and under what conditions? What is the minimum fixed-term commitment period?
Is there a clause requiring the return of the rent-free period in the event of early termination?
What are the projected service charges and the last three service charge adjustments?
Is there a mandatory restoration clause upon move-out?
Need to simplify your real estate equation? Discover our all-inclusive office spaces, with no hidden fees, among our available spaces.
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