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Plumber installing new PPR water pipes along a kitchen wall
Re-Piping & New Lines

New Piping, Re-Piping and Pipe Rerouting for KL Homes

Full installation, replacement and rerouting of residential and commercial piping. Licensed KL plumbers who find the real source of the leak, fixing plumbing, roof leaks and waterproofing with one insured team, with the RM30 check-up fee waived when you go ahead.

  • SSM-registered & fully insured
  • RM30 check-up waived on approval
  • Written quote before work starts
  • 24/7 emergency line
Pricing (site inspection) From RM30
14+

Years of plumbing work (since 2012)

600+

Homes and businesses served in KL and beyond

24/7

Emergency line for burst pipes and flooding

RM30*

Check-up fee, waived when you approve the quote

SSM-Registered, Licensed & Fully Insured. *RM30 applies to general troubleshooting; pump inspections are RM80 (not waived).

Have you noticed your water pressure dropping lately, or maybe a strange brown tint when you turn on the tap? It is a frustrating feeling when you realize your home needs water pipe installation & replacement.

I know exactly how stressful a sudden leak can be.

Our team operates as KL1 Plumber, a locally founded plumbing specialist in Kuala Lumpur working under Hong Seng Plumbing. Decades of local experience have shown us that those quiet water pipes need a little attention eventually. We handle everything from minor leak repairs to complete water pipe upgrades.

Grab a cup of coffee, and let’s sort this out together.

What Does Water Pipe Installation & Replacement Cover?

The Hidden Problem with Older Homes

If your house was built before the 1970s, those original galvanized iron (GI) supply lines are likely failing from the inside out. They typically have a maximum lifespan of 40 to 50 years. Rust narrows the bore, pressure drops, and the water turns brown after a few days away.

Pin-hole leaks start appearing in different places across the system. Patching one leak at a time only buys you a little bit of extra time.

Our specialists install new water pipes, replace ageing runs, and reroute supply lines for renovations. This comprehensive service covers kitchens, bathrooms, and the main supply from the meter.

We work in landed homes, condos, shop lots, and offices across the region. Connections to pumps and water heaters get full attention during the process.

Choosing the Right Pipe Material

The main choice for your upgrade is the actual pipe material. Your specific property type and budget will dictate the best option.

We often recommend PPR (polypropylene random copolymer) for indoor hot and cold water. This material refuses to rust, and its heat-fused joints create an incredibly strong seal. PPR handles hot water from heaters without any trouble.

Our crews use HDPE pipe for underground lines because it is flexible and tough. You will find uPVC pipe used for some cold-water and waste work, which gets joined with solvent cement.

Copper piping is a premium, long-lasting choice for specific projects. Our guide comparing GI, PPR, HDPE and copper goes into deep detail.

Material TypeBest ApplicationKey Benefit
PPRIndoor hot & cold waterHeat-fused joints prevent leaks
HDPEUnderground supply mainsFlexible and highly durable
CopperPremium residential systemsExceptional longevity and strength
uPVCBasic cold water and wasteCost-effective and simple to install

Smart Routing and Quality Checks

The second big choice is routing the new lines. Concealed pipes are chased into walls for a very clean look. This approach takes longer and makes future repairs a bit harder.

Exposed pipes are quicker to install and much easier to maintain. We frequently combine both methods to give you the best result.

Every run gets the right stopcock and angle valve placement. This smart setup lets you isolate sections without shutting off the whole house.

Our final step involves a complete pressure test and system flush. Threaded joints are sealed tight with PTFE thread seal tape. We check all compression fittings carefully.

Pipe supports are spaced perfectly so water hammer does not loosen joints over time. This work fully complies with the strict guidelines set by Malaysia’s Uniform Building By-Laws (UBBL).

When Should You Replace Your Water Pipes?

Consider a full replacement when leaks keep returning or when water is regularly rusty. A sudden drop in pressure across the house is another huge red flag.

An unexpected spike in your monthly water bill strongly points to a hidden leak. Renovations are also a perfect time to tackle this, because walls and floors are already open.

Here are the most common warning signs you should watch for:

  • Persistent brown or rusty water from the taps
  • Sudden, unexplained increases in your monthly water bill
  • Noticeable drop in water pressure across multiple fixtures
  • Damp patches appearing on walls or ceilings

Our plumbers often see major disputes in strata properties over hidden water damage. If you live in a condominium, the Strata Management Act 2013 governs these issues.

Inter-floor leakage from a concealed slab is legally presumed to be the upper unit’s responsibility under a Form 28 notice. You want to catch and fix these aging pipes before they damage your neighbor’s ceiling.

We highly recommend being proactive about these early warning signs. Read rusty or brown tap water: when old pipes need replacing for simple checks you can do right now.

Common Pipe Jobs We Handle

Old GI pipe replacement

Those original galvanized iron pipes simply cannot last forever. We replace corroded GI lines with high-quality PPR for all indoor runs. This material upgrade completely eliminates the risk of future rust inside your walls.

Our teams install durable HDPE pipes for your underground sections. Ground movement and soil moisture will not damage these flexible outdoor lines.

Underground supply lines

A leaking pipe from your main meter wastes an incredible amount of treated water. When this underground supply line fails, the repair process needs to be fast and precise.

We can repair the damaged section or lay a brand new line along a much better route. Using modern HDPE solid wall pipes ensures your new main line can handle high pressure from the municipal supply.

Key benefits of our HDPE underground installations:

  • High resistance to ground movement
  • Zero rust or internal corrosion
  • Fewer joints needed compared to traditional pipes

This proactive approach saves you from dealing with a muddy yard and massive utility bills.

Renovation rerouting

Moving a sink, adding a bathroom, or relocating a heater means you need new supply points. Proper planning is absolutely essential for any major layout change.

We map out and plan every single supply point before any tiling work begins. A poorly placed pipe behind a new cabinet is a common and expensive mistake. Our careful routing guarantees everything lines up perfectly with your new fixtures.

New installations

Setting up a new property requires a completely reliable plumbing foundation. We handle new tap points, pump and tank connections, and complete commercial fit-outs.

Getting the water pressure balanced across multiple floors is a specific skill. Our technicians ensure every new tank and pump connection meets the strict local guidelines.

Are you planning a full property upgrade? Professional water pipe installation & replacement takes careful planning and expert execution. See how long re-piping a house takes to set the right expectations for your project.

How Much Does Water Pipe Installation & Replacement Cost?

RM30 site inspection, waived on approval. Re-piping and rerouting are quoted after a site survey because length, material and routing vary from house to house.

Site Survey

RM30

Waived when you accept the quotation

  • Existing pipe condition check
  • Pressure and flow assessment
  • Material and routing options
  • Written quote with timeline
Book This Visit
Most common

Pipe Replacement / Re-Piping

Quoted after survey

Fixed scope and price agreed upfront

  • Old GI pipes replaced with PPR
  • Exposed or concealed routing
  • New valves and fittings
  • Pressure test before handover
Get an Exact Price on WhatsApp

Small Pipe Repairs

RM80 - RM500

Typical standard plumbing repair range

  • Single leaking section
  • New tap or valve point
  • Short reroute for renovation
  • Same-visit where possible
Book This Visit

What affects the final price?

  • Total length of pipe and number of outlets
  • Material: PPR, HDPE, uPVC or copper
  • Exposed runs vs concealed routing with wall chasing and making good
  • Underground sections, driveways and access

Want the full breakdown? See our pricing page.

Why Choose KL1 Plumber for Water Pipe Installation & Replacement?

One licensed, insured team for plumbing, roof leaks and waterproofing, so the real cause gets fixed the first time.

Right pipe for each job

PPR for indoor hot and cold, HDPE underground, copper where specified. We explain the pros and cost level of each.

Clear water downtime plan

We tell you when the water will be off and work in stages so your home stays usable.

Pressure tested

Every new installation is pressure tested before walls are closed or the job is handed over.

Built to standard

Installations follow good practice under the Uniform Building By-Laws (UBBL), with proper valves and support.

Leak detection in-house

If you have repeat leaks, we can confirm which lines are failing so you only replace what needs it.

Homes and commercial units

From single terrace kitchens to shop lots and offices, we install and replace residential and commercial piping.

How Does Our Water Pipe Installation & Replacement Service Work?

No guesswork and no surprise bills. Here is what happens from your first message to the finished job.

  1. 01

    Survey

    We check the existing pipes, pressure and layout, and ask about renovation plans.

  2. 02

    Options and quote

    You choose material and routing with our advice, and get a written quote and timeline.

  3. 03

    Install in stages

    We install the new lines section by section to keep water downtime short.

  4. 04

    Test and hand over

    Pressure test, flush the lines, check every outlet and clean up.

Not sure if it is a pipe, the roof or the bathroom upstairs?

Send us a photo on WhatsApp. We will tell you what it most likely is and book a check-up. The RM30 fee is waived when you go ahead.

What KL1 Plumber Customers Say

Real reviews left on our Google Business Profile by homeowners and tenants we have helped.

"I've always been a handy person, but if there is one thing that I have not come to master, it is really all these pipes at home. Gladly, I discovered KL1 Plumbing services online and they have really made the installation easy for me. Worth noting as well that I have not encountered any problem so far."
Danang Shuib Google review
"Thank you KL 1 Plumber for a job well done! Your staff are not only friendly but helpful. Will definitely go back to you for future plumbing services"
lily liew Google review
"KL1 Plumber is reliable and affordable. Their expertise in plumbing is unmatched in KL"
WEI JUNNN TAN Google review

Pipe Installation FAQs

Straight answers about water pipe installation & replacement in Kuala Lumpur and the Klang Valley.

What pipe material do you use for re-piping?

We mostly recommend PPR (polypropylene random copolymer) for indoor hot and cold supply, HDPE for underground lines, and copper where specified. uPVC is still used for some cold water and waste applications. Each option is explained with its pros and cost level before we start.

How do I know if my pipes need replacing?

Rusty or brown water, falling pressure, and leaks that keep appearing in different places are the usual signs, especially in older homes with galvanized iron (GI) pipes. One leak can be repaired; repeated leaks mean the line is failing from the inside.

How long does re-piping a house take?

It depends on the size of the house and whether pipes are exposed or concealed. Exposed runs are quicker; concealed piping takes longer because walls are chased and made good. We give you a timeline after the survey.

Will I have water during re-piping?

Supply is cut in stages. We plan downtime with you so the kitchen and at least one bathroom are usable for most of the job.

Exposed or concealed piping, which is better?

Concealed piping looks neater but is harder to reach for future repairs. Exposed piping is easier to maintain and quicker to install. Many homes mix both, with concealed runs in bathrooms and exposed runs in utility areas.

How much does re-piping cost?

The site survey is RM30, waived when you accept the quote. Re-piping is then quoted based on length, material, routing and access. Small repairs typically fall within the RM80 to RM500 standard range.

What causes banging pipes after installation?

Water hammer happens when flow stops suddenly. Good pipe support, the right valves and sensible pressure prevent it, and we check for it during testing.

Do you seal threaded joints properly?

Yes. Threaded joints are sealed with PTFE thread seal tape or suitable sealant, PPR joints are heat-fused, and uPVC joints use solvent cement. Each method suits a specific material.

Still have a question?

Send us a photo of the problem on WhatsApp and we will tell you what it likely is and what it costs to check.

24/7 emergency response

Ready to Book Water Pipe Installation & Replacement?

WhatsApp or call our 24/7 line. We find the cause, quote in writing and waive the RM30 check-up fee when you go ahead.

  • SSM registered, licensed and insured
  • Written quote before work starts
  • Second line: +6016-299 2233