💧 Why Is Water Leaking Under My Bath? Causes, Fixes & When to Call the Pros

Have you noticed mysterious water pooling around your bath? Or maybe you've spotted damp patches on the ceiling below your bathroom? 🚿 A leak under the bath isn’t just annoying — it can lead to serious water damage, mould growth, and expensive repairs if left unchecked.

At GladPro Plumbing Services, we specialise in finding and fixing bath leaks across Gravesend, Kent, Essex, and South East London. As experienced local plumbers, we’re here to break down the common causes of water leaking under a bath, the best solutions, and how you can save money with our services.

🔍 Common Causes of Water Leaking Under the Bath

1️⃣ Worn or Damaged Sealant

Over time, the silicone sealant around your bath can crack, shrink or peel away. This allows water to seep through the tiny gaps between your bath and the wall, eventually soaking the floor underneath.

✅ Fix:

• Remove old sealant

• Clean the area

• Apply a fresh, waterproof silicone sealant

• Let it cure fully before use (at least 24 hours)

2️⃣ Leaking Waste Pipe or Drain Connection

When your bath drains, the waste pipe carries used water away. If this connection is loose, cracked, or poorly installed, water can escape every time the bath is emptied.

✅ Fix:

• Check all pipework connections

• Tighten or reseal joints

• Replace cracked components

💡 This often requires removing the bath panel — or the entire bath — to access the plumbing, so it’s best handled by a professional.

3️⃣ Cracked Bath Surface

Small hairline cracks in acrylic or fibreglass baths may not be visible, but they can leak water with every use. These cracks are usually caused by poor installation, heavy impacts, or age.

✅ Fix:

• Use a bath crack repair kit for small damage

• Consider full replacement for large or structural cracks

4️⃣ Faulty Taps, Shower Heads or Fittings

Leaks around taps or shower connections can drip down behind your bath and pool underneath without being noticed.

✅ Fix:

• Tighten all connections

• Replace worn-out washers or O-rings

• Reseal fittings as needed

👀 Tip: Run the tap and shower while the bath panel is removed to spot leaks in action.

5️⃣ Poor Bath Installation or Movement

If your bath isn't properly secured, it may shift slightly over time. This can cause the sealant to break and strain the plumbing underneath, resulting in hidden leaks.

✅ Fix:

• Refit and support the bath correctly

• Reseal all joins and test for leaks

🏗️ A properly supported and sealed bath is the best prevention for long-term issues.

🚨 Why You Shouldn’t Ignore a Bath Leak

Even a small leak under the bath can lead to:

• ⚠️ Rotted floorboards or joists

• ⚠️ Mould and damp build-up

• ⚠️ Water stains on ceilings below

• ⚠️ Increased water bills

These issues don’t fix themselves and only get worse — fast. That’s why it’s important to act quickly and call in a trusted local plumber.

🔧 Choose GladPro Plumbing Services – Trusted Plumbers in Gravesend, Kent, Essex & South East London

At GladPro Plumbing Services, we provide fast, friendly, and affordable plumbing services across Gravesend, Kent, Essex, and South East London. We have years of experience diagnosing and repairing bath leaks, and we’re proud to offer:

✅ 12-Month Guarantee on All Work

We stand by the quality of our work. All plumbing services are backed by a full 12-month guarantee, giving you complete peace of mind. 🛠️

• 🧓 15% Off for Senior Citizens (60+)

• 🔁 10% Off for Returning Customers

• 📋 Free, No-Obligation Quotations on all work

There’s absolutely no pressure — just honest advice and expert plumbing solutions.

📞 Get in Touch Today

💧 Whether you're dealing with a leak, a full bathroom installation, or just need advice — GladPro Plumbing Servicesis here to help.

📞 Call us today: 07375 702735

🌐 Visit us online: www.gladproplumbingservices.com

📧 Email us: Gladproplumbingservices@outlook.com

🔧 GladPro Plumbing Services — Reliable plumbers in Gravesend, Kent, Essex and South East London, trusted by homeowners for high-quality work and unbeatable service.