Basin installation in Singapore

Basin installation in Singapore covers replacing a cracked or dated wash basin, fitting a basin with a cabinet, or adding a basin during a bathroom renovation. A like-for-like replacement is usually a single visit, while moving a basin or changing the pipework takes more work. Before booking, measure the space, photograph the existing pipes and decide whether you are supplying the basin.

Types of basin

The type of basin affects the fixing, the pipework and the space it needs. Check what you have now and what you want before asking for a quote.

The tap and the waste fittings need to suit the basin. A vessel basin may need a taller tap or a wall-mounted one, and some basins have no tap hole. The tap replacement guide explains how to choose a compatible tap.

Measure and photograph first

Measure the width and depth of the space, the height of the existing basin and the position of the water supply and waste pipes. Photograph the basin from the front and the pipes underneath. Share these with the plumber so they can confirm whether the new basin will fit the existing connections.

If the new basin is a different shape or size, the supply and waste positions may not line up. Moving pipes in a tiled wall or floor involves hacking and making good, which costs more and takes longer. Ask the plumber to explain whether this is needed before you buy a basin.

Who can do the work?

PUB sets out which plumbing works must be carried out by a licensed plumber and which simple tasks are treated differently. PUB's requirements for plumbing works are the official reference. Replacing a basin on existing connections may be treated differently from work that changes the supply pipes, so check PUB's page and ask the company to confirm. The licensed plumber guide explains what to ask.

In HDB flats and condos, changes in a bathroom may also be covered by renovation rules. The HDB information on renovations is a useful reference, and condo residents should check with management.

Supplying your own basin

Many households buy a basin and cabinet from a showroom and pay a plumber to install them. If you do, check that the basin comes with the waste, overflow and fixings, or buy them separately. Ask the plumber whether they install customer-supplied basins and how that affects the warranty.

Some plumbers and renovation companies supply and install basins as a package. Compare the total price, the product details and the warranty for the basin and the installation separately.

How basin installation is priced

Plumbers usually price basin work per job, with different rates for replacing a basin, installing a basin with a cabinet and supplying the basin. Moving pipes, hacking tiles, fixing to a weak wall and disposing of the old basin can cost extra.

The published rates further down this page come from company websites in the HomezyPro directory, one matching rate per company with its source and capture date. Check each source for whether the basin or cabinet is included and what the installation covers.

• Is the price for installation only, or does it include the basin?
• Are the waste, overflow and sealant included?
• Is removal and disposal of the old basin included?
• Is there extra for moving pipes or hacking tiles?
• What warranty applies, and is GST included?

Leaks and blockages after installation

A new basin should be sealed and connected so it does not leak. After installation, fill the basin, let it drain and check underneath for drips. Check again after a day. Silicone sealant along the wall or counter needs time to cure, so avoid splashing it for the period the plumber advises.

If the basin drains slowly, the waste or trap may be blocked or poorly fitted. The choked drain guide explains what to tell a plumber. If water leaks from the wall or ceiling below, the leak repair guide covers how leaks are investigated.

Basin height and everyday use

Think about who uses the basin. A comfortable height for adults may be too high for young children, and a cabinet basin with drawers can make cleaning under it harder or easier depending on the design. If an elderly family member uses the bathroom, ask about a height and position that is easy to reach.

Preparing for the visit

Clear the area around the basin and empty the cabinet underneath. Have the new basin, tap and fittings ready if you are supplying them. Know where your main water valve is, and warn household members that water may be off briefly.

After the job, check that the basin is level and firmly fixed, that the tap runs hot and cold if both are connected, and that there are no leaks. Keep the invoice and warranty details.

Basin installation questions

Can a new basin use the existing pipes?

Often, if it is a similar size and type and the supply and waste positions line up. A different shape or style may need pipe changes. Share measurements and photos with the plumber before buying.

Do I need a licensed plumber to install a basin?

It depends on the work. PUB sets out which plumbing works need a licensed plumber and which simple tasks are treated differently. Check PUB's official page and ask the company to confirm for your job.

How long does basin installation take?

A like-for-like replacement is usually done in one visit. Moving pipes, hacking tiles or fitting a custom counter takes longer. Ask the plumber for an estimate based on photos.

Is a wall-hung basin suitable for every wall?

Wall-hung basins need a wall that can take the weight and fixings. Partition walls may need reinforcement. Ask the plumber to check the wall before installation.