If you own or rent a home in Nairobi, Kiambu, Thika, Ruiru, or Kikuyu, you've probably dealt with at least one of these headaches: a tap that won't stop dripping, a toilet that gurgles ominously, or a shower drain that takes forever to clear. Plumbing problems in at home are not just an inconvenience — left unattended, they waste water, damage floors and walls, attract pests, and can quietly push your water bill through the roof.

The good news? Most plumbing issues follow predictable patterns, and once you know what to look for, you can catch small problems before they become expensive emergencies. In this guide, we break down the most common plumbing problems affecting homes, why they happen, how to fix them (or when to call in a professional), and simple maintenance habits that will save you money in the long run.

1. Leaking Pipes

Of all the plumbing problems Kenyan homeowners report, leaking pipes are probably the most common — and the most costly if ignored.

Why It Happens


* Old or corroded galvanized pipes. Many older homes in Nairobi and Kiambu still have galvanized steel pipework that corrodes from the inside over time, especially where water pressure is inconsistent.

* Poor quality fittings. Cheap, uncertified pipe fittings and connectors are a leading cause of joint leaks, especially in newer developments where contractors cut corners to save on costs.

* Ground movement and shifting soil. Kenya's clay-rich soils, particularly in parts of Kiambu and Ruiru, expand and contract with the rains, putting stress on underground pipe joints.

* High water pressure. Some estates and apartment blocks run unusually high mains pressure, which stresses pipe joints and valves over time.


How to Fix It


1. For a small, visible drip: Turn off the water supply at the isolation valve, dry the area, and wrap the joint with plumber's tape (Teflon tape) before tightening the fitting. This is a temporary fix, not a permanent solution.

2. For a leaking joint or fitting: Replace the worn washer, O-ring, or gasket inside the fitting. Most taps and connector leaks come down to a perished rubber seal that costs very little to replace.

3. For a hidden leak (damp patches on walls, unexplained high water bills, or a hissing sound in the wall): Do not attempt to chase the pipe yourself — you risk breaking tiles or damaging structural walls. This calls for a professional leak detection and pipe repair job.

4. For corroded galvanized pipework: In most cases, the long-term fix is to re-pipe the affected section using PPR (polypropylene) or PVC piping, which resists corrosion far better than steel and is now the standard for plumbing installations across Kenya.


2. Blocked Drains

Blocked drains are the second most common complaint we get from households across Nairobi and Kiambu County — especially in kitchens, bathrooms, and outdoor drainage during the rainy season.

Why It Happens


* Cooking oil and food waste poured down kitchen sinks solidifies inside pipes and narrows the passage over time.
Hair and soap scum build up in bathroom and shower drains, especially in homes with several occupants.

* Foreign objects — sanitary items, baby wipes, and even small toys — get flushed down toilets and get stuck in the trap or further down the line.
Poor outdoor drainage design. Many compounds in Kiambu, Ruiru, and Thika experience flooding and blocked outdoor drains during the long and short rains, often due to silt, leaves, and debris washing into open drains.

* Tree roots. In older, leafier neighborhoods, tree roots can invade underground sewer lines through small cracks, causing recurring blockages.


How to Fix It


1. Start simple: Use a plunger for sinks, showers, and toilets — it solves the majority of everyday blockages.

2. Try a drain snake (auger) for stubborn clogs that a plunger can't shift, especially in showers and bathroom sinks where hair build-up is common.

3. Avoid chemical drain cleaners as a first resort — they can corrode older pipework and are harsh on septic systems, which many homes outside central Nairobi still rely on.

4. For recurring blockages, especially ones that come back every few weeks, the problem is usually further down the line (grease build-up, root intrusion, or a collapsed section of pipe) and needs professional drain cleaning or a camera inspection to diagnose properly.

5. For outdoor and compound drainage, clear leaves and silt from gutters and open drains before the rainy season, and consider having a professional assess your compound's drainage slope if water regularly pools near your foundation.


3. Running or Leaking Toilets

A toilet that keeps running after you flush is one of the most overlooked plumbing problems in Kenya — many homeowners simply live with it, not realizing it can waste hundreds of litres of water a day.

Why It Happens


* A worn flapper valve doesn't seal properly, letting water continuously trickle from the tank into the bowl.

* The float mechanism is set too high, causing water to overflow into the overflow tube.

*A cracked tank or bowl, sometimes from age or a hard knock during cleaning.


How to Fix It


1. Lift the tank lid and check if the flapper is sitting flush over the drain hole. If it's warped or discoloured, replace it — a cheap and easy DIY fix.

2. Adjust the float arm or float cup so the water level sits about 2.5cm below the top of the overflow tube.

3. If the tank or bowl is cracked, this is not a DIY repair — you'll need a full replacement to avoid sudden flooding.


4. Low or Inconsistent Water Pressure

This is a particularly common complaint in multi-storey apartments and homes on elevated ground in parts of Kiambu and Nairobi's outskirts, where mains supply pressure is already inconsistent.

Why It Happens


* Sediment build-up in pipes and tap aerators, common in areas with hard or sediment-heavy water.

* A partially closed isolation valve somewhere in the system.

* Water storage tank issues — a common setup in Kenyan homes due to unreliable municipal supply — including a clogged tank inlet or an undersized feed pipe.

* Leaks elsewhere in the system silently reducing pressure at the tap.


How to Fix It


i. Unscrew and clean tap aerators and shower heads — sediment build-up here is often the entire problem.

ii. Check that all isolation valves in the system are fully open.

iii. Inspect your water storage tank and booster pump (if installed) for blockages or wear.

iv. If pressure loss is sudden and affects the whole house, get a professional to rule out a hidden leak first.


5. Water Heater (Geyser) Problems

With Nairobi and Kiambu's cooler mornings and evenings, a malfunctioning water heater is felt immediately.

Why It Happens


* Sediment build-up in the tank, especially in hard water areas, reduces efficiency and can cause strange noises.

* Faulty thermostat or heating element.

* Pressure relief valve issues, which can be a serious safety concern if ignored.


How to Fix It


1. Have the tank flushed periodically to remove sediment build-up (see maintenance tips below).

2. Don't attempt to open or repair the heating element or pressure valve yourself — water heaters involve both electricity and pressurized water, and incorrect handling can be dangerous.


Simple Maintenance Habits That Prevent Most Plumbing Problems

Regular maintenance is by far the cheapest way to avoid plumbing emergencies. A few habits worth building into your household routine:


1. Never pour cooking oil or fat down the sink. Let it cool and dispose of it in the bin.

2. Use drain guards in showers and sinks to catch hair and food particles before they enter the pipe.

3. Inspect visible pipework under sinks and around your water tank every few months for damp patches, rust, or discoloration.

4. Clear gutters and outdoor drains before the rainy season to prevent compound flooding.

5. Test your isolation valves occasionally so you know they work when you actually need to shut off water in an emergency.

6. Schedule an annual plumbing check-up, especially for older homes — a professional inspection often catches small issues (a slow leak, a worn valve) long before they turn into a burst pipe or flooded bathroom.


When to Call a Professional

DIY fixes are fine for small, low-risk jobs — a dripping tap washer, a plunger-clearable blockage, a running toilet flapper. But you should call in a professional plumber when you notice:


1. Water stains spreading on walls or ceilings

2. A sudden spike in your water bill with no clear explanation

3. Recurring blockages that come back within weeks

4. Low water pressure across the entire house

5. Any work involving your water heater's internal components

6. Signs of a burst or badly corroded underground pipe


Trying to fix these yourself can turn a manageable repair into a costly renovation — especially if walls, tiles, or ceilings need to be broken open to reach the problem.

Get It Fixed Today — The Handyman Has You Covered

Whether it's a stubborn blocked drain, a leaking pipe behind your kitchen sink, or a toilet that just won't stop running, The Handyman team is on call across Nairobi, Kiambu, Thika, Ruiru, and Kikuyu to sort it out quickly, professionally, and without the mess.

We offer free on-site estimates, same-day service, and transparent, upfront pricing — no surprises.

📋 Fill in our Get a Quote form and describe your issue — we'll get back to you promptly.

📞 Call or WhatsApp us on +254 707 421 123 for urgent plumbing issues.

Don't let a small leak turn into a big problem. Reach out today, and let us handle the dirty work for you.