Mallorca Pool Builders 24.07.2026 5 min

Buying a house with a pool in Mallorca: the inspection checklist

Buying a house with a pool on Mallorca? The pool can be a 30,000 euro asset or a 20,000 euro problem, and you usually cannot tell from a viewing in the sun. This is the checklist our vetted builders recommend running before you sign, in four parts: paperwork, structure, equipment and running costs.

Key takeaways

Demand the works licence, end of works certificate and cadastre entry
Run the 48 hour water test to separate evaporation from leaks
Plant room older than 10 years means 2,000 to 5,000 euros of renewal
Negotiate with a written renovation quote, not guesses

1. Paperwork: does the pool exist legally?

Ask for the works licence, the end of works certificate and check the pool appears in the property record. You can verify the registered surfaces yourself at the Spanish cadastre. On Mallorca a surprising share of older pools were built without a licence: they can often be legalised, but that costs money and time, and on rustic land the rules are stricter, as we explain in our guide to pools on rustic land. Price any missing paperwork into your offer.

2. Structure: the 48 hour water test

Cracked or hollow sounding tiles, rust stains and efflorescence tell stories, but the decisive check is simple: mark the water line, switch the equipment off and compare after 48 hours against a bucket of water on the top step. Loss beyond evaporation means a leak, and finding it can range from a 300 euro skimmer seal to relining the pool. Our article on renovation warning signs covers what each symptom usually costs to fix.

3. Equipment: age is the price tag

Open the plant room. A sand filter and pump older than ten years, corroded valves or electrics without proper protection mean a 2,000 to 5,000 euro refresh. Check the pump nameplate date, ask when sand was last changed and whether the pool has a functioning earth bond. None of this is a dealbreaker, all of it is negotiation material.

4. Running costs: know them before you offer

Budget 650 to 1,100 euros a year in self managed chemicals, water and power, or 150 to 250 euros a month for a professional service in season, full numbers in our pool cost guide. If you plan to rent the house out, pool obligations come with the tourist licence, covered in our guide to pools in holiday rentals.

Turn the checklist into leverage

The strongest negotiating tool is a written quote: if the pool needs work, request renovation quotes from vetted local builders during due diligence and put real numbers on the table.

Check	What you are looking for	Risk if it fails
Paperwork	Works licence, end of works certificate and cadastre entry	Legalising later costs time and money
Structure: the 48 hour water test	Mark the water line, equipment off, compare against a bucket after 48 hours	A leak: from a 300 euro skimmer seal to relining the pool
Equipment age	Filter and pump under ten years, sound valves, protected electrics	A 2,000 to 5,000 euro refresh
Running costs	650 to 1,100 euros a year self managed, or 150 to 250 euros a month serviced	Budget surprises after moving in
Overall condition	Dated but sound rather than neglected	8,000 to 20,000 euros of renovation

What paperwork should a pool have when buying a house?

A works licence for the pool, the end of works certificate and registration in the cadastre. A pool that exists physically but not on paper is a legalisation cost you should price into your offer.

How do I test a pool for leaks before buying?

Mark the water line, wait 48 hours with equipment off and compare against a reference container to separate evaporation from loss. More than evaporation means a leak: ask for a professional pressure test before signing.

How much should I discount for an old pool?

A dated but sound pool needs 8,000 to 20,000 euros of renovation on Mallorca. Get a written renovation quote during due diligence and negotiate with real numbers instead of guesses.

Conclusion

A pool can add real value to a Mallorca house or hide a 20,000 euro problem, and the difference shows up in the paperwork, the 48 hour water test and the age of the equipment. Use every finding as negotiating leverage before you make an offer. For a professional assessment or renovation pricing, request free quotes from vetted builders.