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The rental income figure is the exciting number, but it’s not what you keep.
Understanding the real costs of running an Airbnb in Spain is what turns an optimistic guess into a realistic plan — and stops the unpleasant surprise of a net far below the headline.
This guide breaks down every cost you’ll face, from setup to the ongoing monthly drain, with a worked example, so you know exactly what your Costa del Sol rental actually puts in your pocket.
Running a holiday rental has two layers of cost: the one-off setup to get it ready, and the ongoing running costs that recur with every booking and every month.
Together, the running costs commonly absorb 30–45% of gross income before tax — a share many new owners badly underestimate.
The point isn’t to be discouraged, but to plan accurately: a property that looks wildly profitable on gross can be merely good on net, and knowing that upfront lets you price, budget and decide with your eyes open.
Before the first guest, you’ll invest to make the property rentable: furnishing and equipping it, professional photography, a smart lock for self check-in, any small renovations, and the cost of registering it as a tourist rental.
These are real money and part of your total investment, even though they’re not monthly. Spend them well — especially on furnishing and photos — and they pay back through higher rates and reviews.
Our guides on how to furnish an Airbnb and Airbnb photography cover getting this foundation right.
If you use a management company, its commission — typically 18–25% of income for full management on the Costa del Sol — is usually your single largest running cost.
If you self-manage, you don’t pay a fee, but you pay in time: the hours of pricing, guest messaging, coordinating cleaning and handling problems. That time is a real cost, even if it doesn’t show on a statement.
We break down the fee side in our guide on holiday let management fees. Either way, this is the big one to plan for.
Cleaning is a recurring cost with every changeover, charged per turnover and varying with property size. Linen and laundry — keeping fresh, quality sheets and towels in rotation — add to it.
Most owners pass the cleaning on as a guest cleaning fee, so it doesn’t eat the nightly rate, but you still need to manage and fund it, and a fee that’s too high can deter bookings.
Budget cleaning realistically: it’s frequent, essential and directly tied to the reviews your income depends on.
Unlike a long-term let where the tenant pays, with a holiday rental you cover electricity, water, gas and internet.
On the Costa del Sol, summer air conditioning and winter heating can push electricity bills up noticeably, and fast, reliable Wi-Fi is non-negotiable for guests.
These bills run whether or not the property is occupied, so they’re a steady monthly cost.
Many owners underestimate utilities, especially the air-conditioning load in peak season, so build in a realistic figure rather than a hopeful one.
Two unavoidable property costs apply whether you let or not. Community of owners’ fees cover the building’s shared areas and services, and can be higher in developments with pools, gardens or concierge. IBI is the annual local property tax based on the cadastral value.
Some communities also charge tourist-let properties a higher fee. These are fixed costs you carry as an owner, so they belong in every honest calculation of what the rental really costs to run.
A holiday rental needs proper cover — a standard home policy usually won’t pay out on letting-related claims — so a specific holiday let or short-term rental policy, including public liability, is a running cost you shouldn’t skip.
It’s a modest annual figure against what it protects: guest injury claims, guest damage and lost income after an insured event. Treat it as essential, not optional, and budget for it each year.
Our guide on holiday let insurance explains exactly what cover you need.
Constant guest turnover wears a property faster than normal living, so maintenance and replacements are a real, ongoing cost — repairs, servicing the AC and appliances, repainting, and replacing worn linen, crockery and small items.
Things break, and on a rental they break more often.
Setting aside a maintenance reserve, rather than being caught out by each repair, keeps the property in five-star condition and avoids the bad reviews that a tired or faulty home invites.
Under-budgeting maintenance is one of the most common owner mistakes.
Smaller but constant costs add up. The booking platforms take their cut — a host fee or commission on every booking — which reduces what reaches you.
Consumables for guests (toiletries, coffee, welcome items, cleaning supplies) recur with every stay. Individually minor, together these chip away at your margin all year.
They’re easy to forget when sketching a quick profit estimate, which is exactly why a realistic budget lists them explicitly rather than rolling them into a vague ‘extras’ line.
Tax is a running cost like any other.
Rental income is taxed in Spain — for non-residents at 19% (EU) or 24% (non-EU, including UK owners, with no deductions) via Modelo 210, and for residents through the IRPF without the 60% reduction that applies to long-term lets.
There’s also IBI and, for non-residents, imputed-income tax.
Tax meaningfully reduces your net, so it belongs in the cost picture from the very start, alongside every other recurring expense — never as an afterthought once the year is over.
Our guide on non-resident rental tax in Spain covers it in detail.
Numbers make it concrete. Take an apartment grossing €30,000 a year.
Management at 20% is €6,000; cleaning, utilities and consumables perhaps €4,500; community fees and IBI around €2,400; insurance and maintenance about €2,000; platform fees and extras another €1,500.
That’s roughly €16,400 in running costs, leaving about €13,600 before tax — and tax then takes its share. The headline was €30,000; the reality is less than half of that in your pocket.
That gap is exactly why budgeting every cost honestly matters so much.
The lesson from the example is simple: profitability lives in the net, not the gross. Two properties with identical income can deliver very different returns depending on how lean and well-run their costs are.
Controlling costs without cutting the guest-facing quality that earns reviews — efficient cleaning, sensible utility use, planned maintenance — is half of running a profitable rental.
We put the whole picture together in our guide on whether Airbnb is profitable in Spain, where the net figure is what really counts.
You can’t eliminate these costs, but you can keep them lean without hurting the guest experience.
Buy durable furnishings and linen so you replace them less often; fit efficient air conditioning and ask guests to use it sensibly to tame the electricity bill; plan maintenance rather than paying emergency rates; keep a sensible cleaning fee that covers the work without deterring bookings; and review your platform mix and pricing so commissions buy real demand.
The aim is a lean cost base, not a cheap one — cutting the quality guests see backfires in reviews. Trim the costs they never notice, and protect every euro that earns you a five-star stay.
It might seem odd that paying a management fee can lower your overall costs, but a good manager often does.
Through better pricing and occupancy they lift the income side; through trade relationships, efficient cleaning teams and planned maintenance they keep the cost side lean and avoid the expensive emergencies that catch absent owners out.
They also give you clean records of every cost for your tax.
For many owners, professional management turns a messy, surprise-prone cost base into a predictable one, as our guide to professional holiday let management explains. This article is general guidance.
Management or your time, cleaning and linen, utilities and internet, community fees, IBI, insurance, maintenance, platform fees, consumables and tax.
Together they commonly absorb 30–45% of gross income before tax, so always work to the net figure.
After running costs of roughly 30–45% of gross, and then tax, many owners keep well under half of the headline income. The exact figure depends on your costs, occupancy and tax status, which is why a full, honest budget matters.
You do, unlike a long-term let where the tenant pays. On the Costa del Sol, summer air conditioning and winter heating can make electricity a significant monthly cost, so budget for it realistically.
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