Domestic water Supply

We maintain and install domestic water supply systems in the following areas in Costa Blanca North covering, Finestrat, Altea, Alfaz, Albir, La Nucia, Callosa, Jalon, Pego, Orba, Benissa, Calpe, Moraira and Teulada, Benitachell, Javea, Denia, Oliva and Gandia.

Water mains: installation and leak detection, maintenance and pressure problems
Water deposits & pumps
Centralized water supplies for communities water manifolds
Renewable energy
Solar hot water
Solar photovoltaic for electric
Aerotherm for central heating
Aerotherm for domestic hot water

Not only do 100% Plumbing offer our own comprehensive guarantee for work undertaken, we also offer a full and comprehensive after sales service liaising on our customers behalf with manufacturers where necessary.

We are 100% committed to look after our customers best interests, providing information to our customers on grant schemes and latest news and technological advances.

100% legal and qualified so that our customers can rest assured they will always receive quality installation at the best prices.

Reliable Domestic Water Supply Solutions

At 100% Plumbing, we provide dependable domestic water supply installations and upgrades for homes across Calpe and the Costa Blanca. Whether you’re building a new property or updating an old system, we ensure safe, consistent, and regulation‑compliant water delivery throughout your home.

Complete Water Supply System Installations

We install General Plumbing, mains water connections, private supply systems, and Hot Water Systems tailored to each property. From Water Treatment and pressure regulators to integration with irrigation or greywater reuse, our installations are efficient, durable, and adapted to local terrain and water conditions.

If your home is in a rural or off‑grid area, we also design water storage solutions with booster pumps, ensuring adequate pressure and uninterrupted supply to every tap in the house. We also handle associated plumbing services like Swimming Pool Installations for irrigation or amenity purposes.

For guidance on sustainable water management, you may also refer to industry best practices available from the Ministerio para la Transición Ecológica y el Reto Demográfico, which outlines safe and efficient water installation standards.

      
   100% Plumbing & Construction
   136 Google reviews 
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   Denis Mansbridge 
 
 
 
 Trustindex verifies that the original source of the review is Google. The water leak under my kitchen was found and fixed by Alejandro very quickly. A true professional job and excellent service by 100% yet again. Cheers 🍻 Denis 😎
  
 
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   Kevin Baxter 
 
 
 
 Trustindex verifies that the original source of the review is Google. Used 100% numerous times. Always offer a competitive price, first class installation & their staff are excellent. Corina 'in the offfice', installers; lMatthew & Alejandro are all super nice 👏
  
 
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   Timo Thaeus 
 
 
 
 Trustindex verifies that the original source of the review is Google. We called via WhatsApp in for advice on where to get a plumbing part for our toilet. We got a swift response and advice on where to get the specific part. Very kind and helpful.
  
 
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   Juha Rummukainen 
 
 
 
 Trustindex verifies that the original source of the review is Google. Very friendly and helpful firm, easy to get contact, answers rapidly, good impression and advice. As a foreigner, you need to have a firm you can trust that they will do what they promise to do, on time. I can highly recommend this service.
  
 
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   Katharina Haasis 
 
 
 
 Trustindex verifies that the original source of the review is Google. I am extremely satisfied with the work! I had a wastewater leak under my kitchenfloor and needed it repaired quickly. They arrived promptly and took care of everything, from plumbing to the casting of the new floor. My warmest recommendations and a big thank you to the team of 100% plumbing and construction!
  
 
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   Martine van veen 
 
 
 
 Trustindex verifies that the original source of the review is Google. 💯 procent , een superfijn en betrouwbaar bedrijf ! Ook corine altijd aanspreekbaar korte lijnen , oplossingsgericht gericht en goed werk word afgeleverd , ook altijd vriendelijke werk mensen . En vooral betrouwbaar , denken mee !!! Ze hebben zoveel al gedaan hier , blij mee
  
 
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   68point9 
 
 
 
 Trustindex verifies that the original source of the review is Google. Amazing and fast service. They were really professional and did an amazing job on a very short notice.
  
 
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   Carol Horne 
 
 
 
 Trustindex verifies that the original source of the review is Google. We found 100% to be very professional and efficient when they recently replaced our outdated air condicioning and repainted the interior of our house. The whole team were great.
  
 
      Posted on Google  
   
   Trish Ogden 
 
 
 
 Trustindex verifies that the original source of the review is Google. Thank you so much for sorting out pool leak. Very professional with excellent communication from your staff. You wouldn't know your team have been here. Highly recommend and again thanks.
  
 
      Posted on Google  
   
   Joe Morrison 
 
 
 
 Trustindex verifies that the original source of the review is Google. 100% Plumbing & Construction combines skilled craftsmanship with years of experience to deliver outstanding results for residential and commercial clients.
  
 
  
  
 
     Verified by Trustindex  Trustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more

Comprehensive Plumbing & Water Supply Services

At 100% Plumbing, we don’t just fix leaks. We ensure your entire domestic water system is running reliably and safely, from the mains inlet to every outlet in your home.

Maintenance, Repairs & Diagnostics

Experiencing low water pressure or inconsistent flow? We diagnose and repair supply line issues, pressure faults, blockages, and connection problems—quickly and effectively. Whether your property is connected to the municipal network or a private tank system, we keep it running smoothly.

Water Supply Upgrades & Storage

We install and upgrade systems for:

Main water line connections
Domestic water depositos and tanks
Pumps and pressure regulators
Rural or off-grid water solutions
Irrigation and garden supply systems

We also integrate filtration and water treatment systems to improve water quality throughout your home.

Why Choose 100% Plumbing?

With decades of experience and full licensing, we’re the team homeowners trust for reliable water infrastructure. From city apartments to country villas, we tailor systems to meet your needs—efficiently and affordably.