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Granite Composite Undermount Kitchen Sinks

Granite Composite sinks have a number of different benefits including strong, durable surfaces and the ability to use different colours in manufacturing. Our range includes undermount sinks which fit conveniently underneath your worktop. These allow easy disposal of any grime or crumbs on your counters because you’re able to wipe straight into the bowl.

 
 
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reginox-elleci-quadra130-white-granite-undermount-single-bowl-kitchen-sink-with-waste-included

Reginox Elleci Quadra 72 Undermount Single Bowl White Kitchen Sink - QUADRA 130 W

4.5
13 ratings
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£228.50 inc
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Save £37.44 | Was £265.94
reginox-elleci-quadra130-black-granite-undermount-single-bowl-kitchen-sink-with-waste-included

Reginox Elleci Quadra 72 Inset Single Bowl Black Spek Kitchen Sink - QUADRA 130 B

4.5
13 ratings
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£225.00 inc
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Save £40.94 | Was £265.94
rangemaster-oridian-undermount-single-bowl-granite-kitchen-sink-540-x-440mm-black-oriun540ch

Rangemaster Oridian Undermount Single Bowl Granite Kitchen Sink 540 x 440mm, Black - ORIUN540CH

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£245.00 inc
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Save £12.41 | Was £257.41
reginox-elleci-quadra130-titanium-granite-undermount-single-bowl-kitchen-sink-with-waste-included

Reginox Elleci Quadra 72 Undermount Single Bowl Titanium Spek Kitchen Sink with Waste Included

4.5
13 ratings
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£236.21 inc
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reginox-elleci-quadra50-white-granite-undermount-half-bowl-kitchen-sink-with-waste-included

Reginox Elleci Quadra 16 Undermount White Kitchen Sink - QUADRA 50 W

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£106.55 inc
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reginox-elleci-quadra100-black-granite-undermount-single-bowl-kitchen-sink-with-waste-included

Reginox Elleci Quadra 34 Undermount Single Bowl Black Spek Kitchen Sink - QUADRA 100 B

5.0
3 ratings
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£236.21 inc
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reginox-elleci-quadra100-white-granite-undermount-single-bowl-kitchen-sink-with-waste-included

Reginox Elleci Quadra 34 Inset Single Bowl White Kitchen Sink - QUADRA 100 W

5.0
3 ratings
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£186.55 inc
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Are granite composite undermount sinks durable enough for everyday kitchen use?

Yes, granite composite is praised for its strong, durable surface that stands up to daily use and resists chipping better than many ceramic options. The material is manufactured in colour throughout, so small scuffs are less obvious than on coated sinks. You should still avoid putting very hot pans straight into the bowl and clean with non-abrasive products to keep the finish looking its best.

How do I choose between single, 1.5 and double bowls for my kitchen?

Think about how you use the sink: a single bowl gives maximum uninterrupted space for pots, while a 1.5 bowl gives a smaller secondary bowl for rinsing or draining; full two-bowl models are best if you frequently multitask. The range offers sizes like 540 x 440mm and 560 x 440mm for single or 1.5 bowls, and larger options (hansgrohe S51 770mm) for two-bowl units. Depths are typically 200–299mm, so you get plenty of room for big pans without needing an overly wide unit.

Will the colour or finish limit where I can place the sink in my kitchen design?

Colour choice is a design tool rather than a restriction, black finishes are the most plentiful here, with white and grey also available, and specialised finishes such as Graphite Black SilicaTec and Titanium Spek appearing in the range. A black sink looks striking against pale quartz or timber worktops, while white sinks give a softer, integrated look with white counters. Because the colour is mixed into the material, the finish stays consistent and hides wear better than painted surfaces.

Are undermount granite composite sinks compatible with all worktops?

Undermount sinks are designed to sit beneath the worktop so you can wipe crumbs straight into the bowl, and they work best with solid surfaces such as granite, quartz or thick laminate that can support the weight and edge cut. If you have a stone or solid-surface counter, undermount gives the clean, seamless look people buy them for; if your countertop edge is very thin or fragile, you may need to check whether an inset option is more suitable.

How much noise do granite composite sinks make, and do they come with wastes or accessories?

Granite composite tends to be quieter than stainless steel because the dense material absorbs sound, so you'll notice less clang from running water or pots. Several products in the range are included in our range with wastes included, some Reginox Quadra models, but not every model will include one, always check the product details. If you want a quieter, more complete package, look for products in our range that explicitly say "with waste included" or choose brands known for bundled accessories.