Count the fixtures in your bathroom that take water before you order anything else. Basin tap, toilet cistern, bidet spray, kitchen tap. Each one needs its own shut-off on the wall behind it, and that shut-off is an angle valve.
Miss one and nothing breaks on day one. It shows up later, the first time a tap drips and the only way to stop it is turning off the water to the whole flat.
Two things to work out before you order: how many valves the bathroom needs, and whether any of them has to be a two-way stop valve instead of a plain one. Then there is the question of why two valves that look identical in a product photo can be $11.25 and $27.00.
One valve per fixture
An angle valve is the small shut-off between the wall inlet and the flexible hose that feeds a tap or a cistern. Inlet and outlet sit at right angles to each other, which is where the name comes from, and the handle on top isolates that one fixture without touching anything else in the flat.
The count is simple. One valve per water inlet. A basin mixer with hot and cold takes two. A cold-only basin tap takes one. A toilet cistern takes one. A bidet spray takes one.
Fixtures are almost never sold with the valve included. Our bidet sprayer guide covers this on the bidet side, where the valve is usually a separate line item: the Aalto AT1344 mini valve is $27.75 in chrome and $75.00 for the matte black AT1344B, valve alone. The NBS-79-SS bidet spray set at $60.00 is one of the few listings that names an angle valve as part of what you get, and it says so in the title.
When a plain angle valve is the wrong one
NOBEL sells both types, so the price gap is clean. Same vendor, same wall position, same finish.
| Product | Outlets | Price |
|---|---|---|
| NBS-807-CP Angle Valve, chrome polish | One | $11.25 |
| NBS-809-CP Two-Way Stop Valve, chrome polish | Two | $40.50 |
| NBS-809-SS Two-Way Stop Valve, stainless steel matt | Two | $43.50 |
That is 3.6 times the price for the second outlet. The 809's own listing describes the two-way function as controlling the flow of water in two directions, which means one inlet from the wall feeding two things off it.
The setup that needs it is the common one: a single cold inlet behind the toilet feeding both the cistern and the bidet spray. One two-way stop valve does that job. Two plain angle valves cannot, because there is only one inlet to connect them to.
If you priced the bidet set and forgot the valve, this is where the job gets more expensive than you planned.
What the body shape costs
Most valve listings say nothing about the shape of the body. G.Ferretti's do, and it publishes four.
| Model | Published shape | Price, chrome |
|---|---|---|
| GLP 901 | RD Angle Valve (round) | $11.25 |
| GLP 907 | SQ Angle Valve (square) | $11.25 |
| GLP 908 | Oval Angle Valve | $22.50 |
| GLP 909 | SQ Angle Valve (RD Edge) | $22.50 |
Round and square are the same $11.25. If you are matching a square tap and a square waste, the square valve costs you nothing extra. The oval body and the squared body with rounded edges are the two that carry a premium.
The phrase covers more than one object, too. NWN-945 Wall Angle Valve at $67.50 is a different mounting altogether and the dearest valve in the collection. Read the listing, not the category name.
Finish is where the money goes
One body. Every GLP 901 listing publishes the same RD Angle Valve line, so what changes between them is the plating.
| Finish | Published as | Price |
|---|---|---|
| Chrome | Brass Chrome | $11.25 |
| Black | Brass Black | $18.00 |
| Nickel Matt | Brass Nickel Matt | $18.00 |
| Rose Gold | Brass Rose Gold | $22.50 |
| Matt Gold | Brass Matt Gold | $27.00 |
| Metal Gun | Brass Metal Gun | $27.00 |
$15.75 between the cheapest and the dearest version of one valve, or 140%.
Two other vendors do the same thing. NOBEL's NBS-807 runs chrome $11.25, stainless steel matt $15.00, matt black $19.50, gunmetal $20.25 and brushed gold $21.75, which is 93% across five live finishes. NTL's QNTL-6024-C is $30.00 in chrome and the QNTL-6024-C(BN) is $39.00 in brush nickel, a 30% step for the same stainless steel body.
The argument against everything above
If your basin sits in a vanity cabinet, the valve is behind a door. Nobody sees it, and the finish premium buys you nothing. Chrome at $11.25 is the right call there, however good the gold looks in the photo.
The finish earns its money where the underside of the basin is open: wall-hung basins, and counter-top basins on an open frame or a slim console. There the valves and the bottle trap are part of what the bathroom looks like.
So the order of decisions runs the other way round from how most people do it. The basin mount decides whether the valve is visible, and the visibility decides whether the finish is worth paying for. Our basin buying guide covers counter top against wall hung against inset. Settle that first and the valve finish answers itself.
What the listing tells you, and what it leaves out
Disclosure is uneven across this collection, which is worth knowing before you compare two valves on price alone.
| Vendor and range | What the listing publishes |
|---|---|
| G.Ferretti, GLP 901 / 907 / 908 / 909 | Body shape, finish, and the material inside the finish line, as in Brass Chrome |
| NTL, QNTL-6024 range | Colour and material, as in Material : Stainless steel |
| NTL, QNTL-1900 and QNTL-1904 | Colour only |
| NOBEL, NBS-807 / NBS-809 / NWN-945 | Finish, described in prose. No material, no shape |
Four levels of detail inside one collection. None of that tells you which valve is built better, because the listings do not carry the information that comparison would need. What it does tell you is where to buy if material matters to you: pick a listing that states it.
One absence is legitimate. No valve here carries a WELS rating, and none should. A shut-off valve isolates water. It does not meter flow at the point of use, which is what WELS labels measure.
Before you order
Work out the number first, then the type, then the finish, in that order. Doing it backwards is how people end up paying for a gold valve behind a cabinet door. It is the same habit that has people ordering a toilet bowl before checking the roughing-in.
Common questions
How many angle valves does one bathroom need?
One per water inlet. A hot-and-cold basin mixer needs two, a cold-only tap needs one, the toilet cistern needs one, and a bidet spray needs one. Count the inlets, not the fixtures.
What is the difference between an angle valve and a two-way stop valve?
An angle valve feeds one outlet from one wall inlet. A two-way stop valve feeds two outlets from the same single inlet, which is what a toilet cistern and a bidet spray sharing one connection need. On NOBEL's range the plain NBS-807-CP is $11.25 and the two-way NBS-809-CP is $40.50, so the second outlet costs 3.6 times the price of the whole first valve.
Does a square angle valve cost more than a round one?
Not on the only range that publishes body shape. G.Ferretti's GLP 901 round and GLP 907 square are both $11.25 in chrome. The oval GLP 908 and the round-edged square GLP 909 are both $22.50.
Is a more expensive finish a better valve?
The listings do not say so. On G.Ferretti's GLP 901 the body and its published shape line are identical across all six finishes, and the price runs $11.25 to $27.00. You are paying for the plating. Where it matters is visibility: under a vanity cabinet nobody sees the valve, so chrome is the sensible buy.
Do angle valves have a WELS rating?
No, and they are not meant to. WELS labels rate water efficiency at the point of use, on taps, showers and cisterns. A shut-off valve isolates the supply rather than metering it, so there is no rating to publish.
Prices checked live on 27 August 2026 and can change. Check the product page for the current figure.
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