Office lease review – key points for Luxembourg

A Luxembourg-based investment fund is about to sign a long-term office lease in Warsaw. The commercial terms look attractive. The fit-out contribution is generous. Then legal review begins – and the draft reveals uncapped indexation, a landlord-only break option, and a service charge regime with no audit right. Each clause, read in isolation, seems minor. Together, they can cost the tenant millions over a ten-year term.

Office lease review for Luxembourg tenants entering the Polish market requires analysis under Polish civil law, local planning rules, and the cross-border governance expectations of Luxembourg-domiciled funds and holding companies. Polish commercial leases are largely unregulated – the parties are free to negotiate almost every material term, which means the draft landlord receives almost always favours the landlord. A thorough legal review identifies the clauses that create open-ended financial exposure and replaces them with capped, auditable, and exit-friendly mechanics before the lease is signed.

This guide covers the five areas that most frequently generate disputes or unexpected costs for Luxembourg tenants in Poland: the regulatory framework governing Polish office leases, rent and indexation mechanics, service charge and fit-out provisions, break rights and exit mechanics, and a self-assessment checklist. Each section identifies the specific risk, the market-standard position, and the negotiating lever available to a well-advised tenant.

What regulatory framework governs office leases in Poland?

Polish office leases are governed by the Kodeks cywilny (Civil Code, KC), supplemented by the ustawa o własności lokali (Act on Premises Ownership). Neither statute imposes rent control or mandatory tenant protections of the kind familiar from residential tenancy law. The parties are free to agree almost any commercial term. That freedom is the starting point for every negotiation – and the source of most tenant-side risk.

The National Court Register (KRS) is the first verification point. Before signing, Luxembourg tenants should confirm that the landlord entity appearing in the lease is the registered owner in the Land and Mortgage Register (Księga Wieczysta) maintained by the district courts. A mismatch between the contracting party and the registered owner can invalidate the lease or expose the tenant to claims from a third-party mortgagee. This check takes less than 24 hours online but is routinely skipped in fast-moving transactions.

Planning law adds a second layer. The miejscowy plan zagospodarowania przestrzennego (local spatial development plan, MPZP) determines permitted uses for the building. If the landlord intends to convert or extend the property during the lease term, the tenant needs a covenant restricting works that would affect quiet enjoyment. Our analysis of spatial planning and zoning rules in Poland sets out how MPZP provisions interact with lease covenants in practice.

Luxembourg-domiciled investors also need to map the Polish regulatory overlay against their home jurisdiction requirements. Luxembourg funds regulated by the Commission de Surveillance du Secteur Financier (CSSF) may require specific representations in the lease about the property's compliance status. Polish law does not mandate these representations – they must be negotiated as bespoke landlord warranties. Failure to include them can create a reporting gap under the fund's internal compliance framework.

Verify landlord identity against the Land and Mortgage Register before signing
Confirm the building's permitted use under the applicable MPZP
Check for registered mortgages or enforcement proceedings against the property
Obtain CSSF-compliant representations if the tenant is a regulated Luxembourg vehicle
Review any existing tenants' pre-emption rights that could affect the landlord's ability to perform

One concrete figure matters here: the statutory notice period for a landlord to terminate an indefinite-term lease is three months. Most Polish office leases are fixed-term – but where a fixed term is not clearly stated or the lease rolls over, the three-month default applies. Luxembourg tenants accustomed to longer statutory notice periods in their home market should ensure the lease explicitly states the term and the consequences of holding over.

How do rent and indexation mechanics create long-term exposure?

Rent in Polish office leases is almost always denominated in euros, payable in Polish złoty (PLN) at the National Bank of Poland (NBP) mid-rate on a specified reference date. The euro denomination protects landlords – whose financing is typically in euros – but creates currency risk for tenants whose revenues are in PLN. For Luxembourg holding companies with euro-denominated reporting, the position is reversed: euro rent is natural, but the PLN conversion mechanics still require careful drafting to avoid disputes about the applicable rate.

Indexation is the clause that most frequently surprises Luxembourg tenants post-signing. Market-standard Warsaw leases index rent annually to the Harmonised Index of Consumer Prices (HICP) for the eurozone, published by Eurostat. The risk is uncapped upward indexation. During periods of elevated inflation – as seen across 2022 and 2023 – uncapped HICP indexation can increase headline rent by 8 to 10 percent per annum. Over a ten-year lease, the compounding effect is material.

We secured a renegotiation of indexation terms for a Luxembourg fund with office exposure in the Mazowieckie region (autumn 2025). The fund had signed a lease with uncapped HICP indexation four years earlier. By the third indexation anniversary, annual rent had increased by over PLN 400,000 above the base. We restructured the indexation clause to introduce a 3 percent annual cap with a landlord-side catch-up mechanism, reducing the fund's forward exposure significantly.

The negotiating levers available to a well-advised tenant include: a cap on annual indexation (typically 3 to 5 percent), a floor of zero (preventing deflation from triggering a rent reduction that landlords then seek to claw back), and a base year reset at each lease renewal. Luxembourg tenants should also check whether the lease allows the landlord to apply indexation retroactively if it was not applied in a prior year. That provision – common in older landlord-form leases – can produce a single-year spike exceeding 20 percent.

What should Luxembourg tenants know about service charges and fit-out?

Service charges in Polish office leases are typically structured as an estimated monthly payment reconciled annually against actual costs. The landlord issues a budget at the start of each calendar year, collects monthly advances, and reconciles in the first quarter of the following year. The problem is scope: landlord-form leases define recoverable costs broadly, often including management fees, insurance premia, and capital expenditure items that tenants would not expect to fund.

The audit right is the critical negotiating point. Without an express right to audit the landlord's service charge accounts – with a defined notice period and a qualified auditor of the tenant's choice – Luxembourg tenants have no practical mechanism to challenge inflated or misallocated costs. Market practice in Warsaw's Grade A office market now includes a 90-day audit window following the annual reconciliation statement. Anything shorter, or absent entirely, should be treated as a red flag.

Fit-out contributions (tenant improvement allowances) present a different complexity. Landlords offering contributions of EUR 100 to EUR 200 per square metre for a standard fit-out typically attach conditions: the contribution is forfeited if the tenant exercises a break option before a specified date, repayable on a straight-line basis if the tenant terminates early, and subject to landlord approval of the fit-out specification. Each condition should be reviewed against the tenant's business plan for the space.

For Luxembourg-domiciled special purpose vehicles (SPVs) leasing on behalf of a fund, the fit-out contribution may also have transfer pricing implications. The contribution flows from the landlord to the SPV, which then contracts with a fit-out contractor. If the SPV is a related party of the fund, the contribution mechanics need to be structured to avoid a deemed benefit that triggers additional Polish tax obligations. This intersection of lease law and tax is frequently overlooked at the heads-of-terms stage.

Cross-border considerations for Luxembourg tenants also arise in the context of insolvency. If the landlord entity enters insolvency proceedings, the treatment of the tenant's security deposit and fit-out contribution depends on Polish insolvency law. Our analysis of cross-border insolvency involving Poland and Luxembourg addresses how these claims rank in practice.

How do break rights and exit mechanics work under Polish law?

Break rights are not implied by Polish civil law in fixed-term commercial leases. They must be expressly negotiated and precisely drafted. A break right that does not specify the exact notice period, the permitted grounds (if any), and the consequence of a defective break notice is likely to be challenged by the landlord. Polish courts have consistently held that break conditions are construed strictly against the party exercising the right.

The standard market position in Warsaw Grade A offices is a tenant break right exercisable at the midpoint of a ten-year lease, with 12 months' prior written notice. Landlords typically attach a penalty: repayment of the unamortised fit-out contribution plus a break penalty equivalent to three to six months' rent. For a tenant leasing 1,000 square metres at EUR 20 per square metre per month, a six-month break penalty represents EUR 120,000 – a material exit cost that must be modelled at the outset.

We obtained a reduction of break penalty terms for a Luxembourg-registered technology group leasing space in Lower Silesia (spring 2026). The original landlord draft imposed a twelve-month break penalty plus full repayment of fit-out contribution. Following negotiation, the penalty was reduced to four months' rent and the fit-out repayment was limited to the unamortised balance calculated on a straight-line basis over the full lease term.

Assignment and subletting rights are equally important for Luxembourg tenants whose group structures may change. Polish law permits assignment of a lease with landlord consent. Landlord-form leases typically make that consent absolute – meaning the landlord can withhold it for any reason. Tenants should negotiate a "not to be unreasonably withheld or delayed" standard, with a deemed consent mechanism if the landlord does not respond within 30 days. Without this, a corporate reorganisation within the Luxembourg group can leave the tenant in breach.

For tenants comparing the Polish framework with their experience in other Central European markets, our guide to office lease review – key points for Slovakia tenants provides a useful parallel analysis of break right mechanics and exit costs.

What does a pre-signing checklist look like for Luxembourg tenants?

A structured pre-signing review reduces the risk of post-execution surprises. The checklist below reflects the items that most frequently require negotiation in transactions involving Luxembourg-domiciled tenants. Each item maps to a specific financial or legal risk identified in the sections above.

Confirm landlord identity in the Land and Mortgage Register and check for registered encumbrances
Verify the building's planning status under the applicable MPZP and any pending rezoning applications
Review indexation provisions: confirm the index, the cap, the floor, and the prohibition on retroactive application
Negotiate an express audit right for service charge accounts with a 90-day window and auditor of tenant's choice
Model the full cost of the break option: penalty amount, fit-out repayment basis, and notice mechanics

The checklist is a starting point, not a substitute for legal review. Polish commercial lease drafting involves a level of landlord-side discretion that makes standardised checklists unreliable without jurisdiction-specific expertise. The most expensive mistakes – uncapped indexation, absent audit rights, defective break notices – are rarely visible to a non-specialist reader of the draft.

Luxembourg tenants should also consider the governance dimension. Many Luxembourg funds require investment committee approval before signing a lease above a certain annual rent threshold – often EUR 500,000 per annum. The legal review needs to be completed before that approval is sought, not after. A conditional approval subject to "resolution of legal comments" is rarely workable in a competitive Warsaw office market where landlords expect unconditional commitment within a defined exclusivity period.

Finally, consider the currency of the security deposit. Polish landlords typically require three months' rent as a security deposit, held in a Polish bank account. For Luxembourg tenants, the deposit mechanics – including the conditions for release and the interest treatment – should be aligned with the fund's treasury policy. A deposit held in PLN by a euro-reporting fund creates a mark-to-market exposure that should be disclosed in the fund's financial statements.

A specific timeline point: the typical office lease negotiation in Warsaw's Grade A market runs eight to twelve weeks from receipt of the landlord's draft to execution. Luxembourg tenants who begin legal review only after heads of terms are agreed – rather than during the heads-of-terms stage – lose the most valuable negotiating window. Key commercial terms, once fixed in heads of terms, are difficult to reopen in the legal phase.

Your specific situation may involve lease terms, fund structures, or planning conditions that require individual analysis. Signing a long-term office lease without resolving open legal points is an irreversible commitment – one that cannot be unwound without triggering the break penalty mechanics described above. To receive an expert assessment of your lease position, contact info@kordeckipartners.com.

Frequently asked questions

Q: How long does a full legal review of a Polish office lease take for a Luxembourg tenant?

A: A thorough review of a standard-form landlord draft, including Land and Mortgage Register checks and planning verification, typically takes five to seven business days. More complex transactions – involving multiple floors, phased fit-out contributions, or regulated Luxembourg vehicles requiring CSSF-compliant representations – may take ten to fourteen business days. Beginning the review at the heads-of-terms stage, rather than after the draft is received, allows the most commercially sensitive points to be addressed before positions harden.

Q: Is it a misconception that euro-denominated rent eliminates currency risk for Luxembourg tenants?

A: Yes. Euro denomination protects the headline rent figure but does not eliminate currency risk entirely. The lease will specify a PLN conversion mechanism – typically the National Bank of Poland mid-rate on a reference date – and any mismatch between that rate and the rate used in the tenant's treasury operations creates a residual exposure. Additionally, service charges and fit-out contractor invoices are almost always denominated in PLN, so the tenant's total occupancy cost has a significant PLN component regardless of the headline rent currency.

Q: What happens if the landlord refuses to grant an audit right for service charges?

A: Without an audit right, the tenant has no contractual mechanism to verify that service charges reflect actual costs. The tenant can still challenge manifestly unreasonable charges under general civil law principles, but litigation is slow and expensive. The better approach is to insist on an audit right during negotiation and, if the landlord refuses entirely, to negotiate an alternative: a cap on annual service charge increases (typically 5 percent above the prior year's actual costs), an obligation to provide itemised supporting documentation, and a dispute resolution mechanism with a defined timeline of no more than 60 days.

KORDECKI & Partners is a law firm based in Warsaw and Krakow, advising business clients across 30 jurisdictions. Our team combines expertise in Polish and international law with a practical approach to commercial real estate, lease negotiation, and cross-border property transactions. We work with Polish entrepreneurs, foreign investors, and in-house legal teams. Our real estate practice includes FIDIC disputes, buy property Poland mandates for international clients, and commercial lease review for Luxembourg, German, and other cross-border tenants. To discuss your situation, contact info@kordeckipartners.com.