The Supreme Court Just Made One Home Office Enough to Kill VAT on Your Spare Room

In October 2026, the Dutch Supreme Court decided something that sounds boring and isn't: if a workroom in your home is used for residential purposes even 1–2% of the time, you cannot opt for VAT-taxed rental of that room. Not 10%. Not 5%. One or two percent.

The case involved a couple who built a 15 m² lockable office above their garage and rented it to one spouse's BV. They opted for VAT-taxed rental to claim back input VAT on construction costs. Then they admitted family members used the office privately 1–2% of the time. The Court said that was enough to disqualify the whole arrangement.

Here's the part that matters for anyone renting a room in the Netherlands: the Court drew a hard line between non-business use (storage, hobbies — allowed up to 10%) and residential use (not allowed at all). The moment a room can be lived in, the VAT option is gone.

I've spent the last few years watching 1,000+ Dutch housing sites for House Hunter. The listings that internationals actually get offered — hospita-kamers, spare rooms in the landlord's house, short-stay rooms above a garage — are exactly the kind of space this ruling covers. And the landlords renting them are exactly the kind of people who were counting on the VAT deduction.

On paper, this is about whether a landlord can deduct VAT on a renovation. In practice, it changes the economics of renting a room — and the economics always get passed to the tenant.

A landlord who was claiming back 21% VAT on a loft conversion or a bathroom upgrade just lost that deduction if the room has any residential character. That money doesn't vanish. It gets recovered somewhere: a higher all-in price, more servicekosten, or a contract structure that shifts costs to the renter.

The second thing it does is hand landlords a reason to reclassify. "This isn't a VAT-taxed commercial letting anymore, it's kale huur" sounds like a technical adjustment. For the tenant, it can mean a different contract, different protections, and a different conversation with the huurcommissie if things go wrong.

And the timing is brutal. The 2026 VAT reform pushed short-stay accommodation — hotels, serviced apartments, B&Bs — from 9% to 21%. Internationals who were already priced out of short-stay are looking at spare rooms. Those are the rooms the Supreme Court just made harder to rent on a VAT-taxed basis.

If you're an international renting a room from a landlord who lives in the same house — the classic hospita situation — here's what changes.

First, your landlord probably can't charge VAT on the rent if the room has any residential use. That's most rooms. A room you sleep in is residential by definition. If your contract suddenly shows 21% BTW on the rent, ask why. The ruling makes that harder to justify, not easier.

Second, watch the servicekosten. When a landlord loses a VAT deduction, the temptation is to move costs into the servicekosten line — gas, water, light, internet, cleaning — where the rules are looser and the huurcommissie has to be invited in. Internationals often don't know they can ask for a huurprijscheck. They can.

Third, the contract structure matters more than ever. A kale huur contract (bare rent, no service costs) is not automatically worse — but it is different. It changes what the huurcommissie can rule on and what you can challenge. If your landlord is pushing you from an all-in price to a split rent-plus-servicekosten structure right now, ask what changed. Sometimes the honest answer is: the VAT ruling.

The Court put the burden of proof on the taxpayer — the landlord — to show there is no residential use. That means logs, business-only furnishings, no family members ever using the space. In a family home or a shared apartment, that is close to impossible to guarantee.

So what happens? Landlords who wanted to do this properly give up and rent the room as plain residential. Landlords who want to keep the deduction get creative with how the room is described and furnished. And internationals, who often don't know the difference between a commercial letting and a residential one until something breaks, end up holding a contract they don't fully understand.

I've seen this pattern before in the Dutch rental market. When rules tighten, the professional end of the market complies and the informal end improvises. The rooms internationals rent are disproportionately in the informal end.

The other EU countries mostly use a de minimis threshold or apportion VAT by actual use. The Dutch approach is now one of the strictest in Europe. That's a policy choice, and it has a cost — borne by the people with the least room to absorb it.

Ask for the contract before you pay a deposit. Read the servicekosten line. If there's BTW on the rent, ask the landlord to explain it in writing — not aggressively, just plainly. If they can't, that's information.

Check your huurprijs against the puntensysteem. The huurcommissie's huurprijscheck is free and internationals underuse it massively. A room in a landlord's house still has a maximum reasonable rent, and servicekosten have to be justified.

If you're being moved from an all-in price to a split structure, get the old contract and the new one side by side. The difference is usually where the story is.

And if you're hunting — in Delft, Eindhoven, Groningen, anywhere with a waiting list — assume the good rooms go in hours, not days. That's the market. The VAT ruling doesn't change the speed; it changes what you're signing when you get there.

The Netherlands has been trying to make it easier for homeowners to rent out spare rooms. There's a real policy push in that direction, and it makes sense given the housing shortage. But this ruling cuts against it. Every spare room with a desk in it is now a potential VAT problem for the landlord.

For non-resident landlords, the picture is even messier. Dutch property sits in Box 3, taxed on a fictive return at 36%, and from 2027 the vermogensaanwasbelasting will tax actual rental income and unrealized gains. Add a lost VAT deduction on top and the math on renting a room gets worse every year.

None of this means internationals shouldn't rent spare rooms. It means the terms matter more than they did last year, and the people offering those rooms have new reasons to structure things in their favour. Read the contract. Check the servicekosten. Use the huurcommissie. The ruling is about VAT. The consequences are about rent.