Standard Kitchen Sink Tap Hole Size UK: The Ultimate Guide

When planning a kitchen refurbishment or troubleshooting a leak, understanding the standard kitchen sink tap hole size UK is essential. Most modern installations in the United Kingdom utilize a centre-to-centre measurement of 125mm, which refers to the distance between the holes drilled into the worktop. This specific dimension accommodates the typical configuration of a mixed tap, separating the hot and cold inlets, and is designed to fit the vast majority of contemporary taps sold in DIY stores and online marketplaces.

Common Hole Configurations and Tap Types

The standard kitchen sink tap hole size UK is not the only option available, and the configuration of the holes dictates the type of tap you can install. While the 125mm centre spacing is the industry norm for high-arc mixers, you might encounter variations that require specific attention. Before purchasing a new tap, it is crucial to measure your existing setup or the space where the tap will be installed to ensure compatibility.

  • 3-Hole Configuration: This setup is often found in older kitchens or traditional designs, where the holes are spaced further apart to accommodate a tall pillar tap.
  • 4-Hole Configuration: Typically used for faucets with separate spray handles or pull-out designs, this layout provides flexibility for adding a dishwasher or waste disposal inlet.
  • Top-Down or Holeless Design: Modern advancements have introduced taps that mount directly onto the sink rim, eliminating the need for holes altogether and offering a sleek, minimalist aesthetic.

Measuring for Success

To determine if your kitchen sink tap hole size UK matches the standard, you will need a tape measure. Place the tape across the centre of the left hole to the centre of the right hole. If the reading is approximately 125mm, you are in luck and can choose from a vast selection of standard mixers. If the measurement is significantly smaller or larger, you may need to look at specific models designed for compact spaces or bespoke installations.

Kitchen Sink Tap Hole Sizes (UK) - Everything Explained
Hole Configuration Centre Measurement (mm) Typical Use
Standard Mixer 125mm High-arc mixers with single handle
Small Bridge 97mm - 115mm Compact taps for smaller sinks
Large Bridge 165mm - 175mm Tall pillar taps or specific designs

Compatibility with Modern Kitchen Designs

Despite the prevalence of the 125mm standard, the rise of sleek, integrated kitchen designs has introduced new considerations. If you are installing a sensor tap or a touch-operated model, the wiring and battery packs often dictate the positioning of the holes. These technologically advanced faucets usually require a smaller drilling area, but the underlying spacing must still align with the standard to fit the inlet pipes securely beneath the sink.

Furthermore, the depth of the sink and the thickness of the worktop material can influence the perceived size of the tap hole. A shallow sink might require a special escutcheon plate to cover the exposed rough plumbing, while a thick granite worktop demands precise drilling to ensure the tap body threads correctly. Always verify the length of the tap shank—the section that connects the tap body to the deck—to avoid a mismatch between the tap and the sink.

Solutions for Non-Standard Setups

If your kitchen features an unconventional layout that does not adhere to the standard kitchen sink tap hole size UK, do not despair. The market offers a range of adjustable and flexible tap systems. Bridge plates are metal adapters that can cover multiple holes, allowing you to fit a standard 125mm tap onto a 97mm or 150mm configuration. These plates are available in various finishes, such as chrome or stainless steel, ensuring they blend seamlessly with your hardware.

Kitchen Faucet Hole Size Standard – Kitchen Info

For those embracing a hole-free aesthetic, deck-mounted or deck-plate installations are the ideal solution. These systems mount directly onto the counter surface above the sink, eliminating the need to drill into the granite or quartz altogether. They are particularly popular in modern farmhouse and contemporary kitchens, providing a clean line and reducing the risk of leaks around the tap base.

Professional Installation Recommendations

While measuring the standard kitchen sink tap hole size UK is a task a confident DIYer can handle, complex adjustments often benefit from professional expertise. A qualified plumber can assess the spatial constraints under the sink, ensuring that the new tap will not interfere with the pipework or the sink's mounting bolts. They can also advise on the best solution for connecting the tap to the water supply, especially in properties with low water pressure where pump-assisted systems are required.

Ultimately, understanding the specifics of your sink's configuration empowers you to make informed purchasing decisions. By verifying the standard 125mm measurement and considering the unique characteristics of your kitchen, you can select a tap that not only functions perfectly but also enhances the overall design of your room.

Reference

For example, sinks can come with one, two or no tap holes. So, if there's one hole, you'll need a monobloc mixer tap. On the other hand, you'll need pillar taps ...

Kitchen Sink Tap Hole Sizes (UK) - Everything Explained

Kitchen Sink Tap Hole Sizes (UK) - Everything Explained

Visual inspiration for your project.

Reference

Most modern mixer taps will fit a standard sized mounting hole in your sink/worktop. The standard size for the hole is 35mm. This will be the same for any ...

Kitchen Faucet Hole Size Standard – Kitchen Info

Kitchen Faucet Hole Size Standard – Kitchen Info

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Reference

07.10.2025 ... Attach a 35mm hole saw (or the correct size for your sink) to your drill. ... Taps UK Tap Hole Knocking-Out Service — A Risk-Free Option. Drilling ...

Kitchen Taps - Supply & Fit Choose from a selection of taps

Kitchen Taps - Supply & Fit Choose from a selection of taps

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Reference

Standard taps and spouts generally require a hole of at least 22mm in diameter. Sensor taps usually specify a 28mm diameter hole, although 25mm may be ...

How To Measure For A Kitchen Tap at Phyllis Fetter blog

How To Measure For A Kitchen Tap at Phyllis Fetter blog

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Reference

The average washer/seat size of a tap is 49mm in diameter, meaning that the minimum distance from the edge of the worktop sink cut out to the centre of the tap ...

Kitchen Sink Faucet Dimensions - How To Choose Your Kitchen Sink Faucet ...

Kitchen Sink Faucet Dimensions - How To Choose Your Kitchen Sink Faucet ...

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Reference

11.02.2018 ... 35mm is average size. But I would not core a hole before having the tap on site just to be safe.

Standard Kitchen Faucet Hole Spacing – Things In The Kitchen

Standard Kitchen Faucet Hole Spacing – Things In The Kitchen

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Reference

1/2", 20.9, Shower hose, valves that screw into sink or basin taps, the rigid tails on basin taps, UK flexitail connectors ; 3/4", 26.4, Bath tap rigid tails, ...

Kitchen Sink Tap Hole Sizes (UK) - Everything Explained

Kitchen Sink Tap Hole Sizes (UK) - Everything Explained

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Reference

The standard tap hole size is 35mm although kitchen taps often range from 28mm to 35mm. Most kitchen mixer taps will fit the standard 35mm size, however it's ...

Kitchen Faucet Hole Size Standard – Kitchen Info

Kitchen Faucet Hole Size Standard – Kitchen Info

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Reference

26.01.2020 ... seen them reversible composite sinks,where the tap hole is 35mm pre drilled and the installer finishes the hole with a hole saw or chisel.

Faucet Hole Size at Christopher Ardoin blog

Faucet Hole Size at Christopher Ardoin blog

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Reference

13.12.2021 ... Kitchen sinks typically come with pre-drilled tap holes, and these holes vary in diameter. The standard sizes are usually 25mm or 35mm, and the ...

Standard Kitchen Sink Hole Size – Things In The Kitchen

Standard Kitchen Sink Hole Size – Things In The Kitchen

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Reference

27.07.2022 ... It depends, do you have a mixer tap (hot and cold water) or just a cold water tap. Mixer taps need a bigger hole; usually 35mm. Cold water taps ...

Standard Kitchen Sink Hole Size – Things In The Kitchen

Standard Kitchen Sink Hole Size – Things In The Kitchen

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Reference

The hole usually measures the standard 35mm – not many taps out there, no matter how complex, need a larger/smaller hole. Therefore we adhere to that template ...

Standard Faucet Hole Sizes and Guidelines (with 2 Drawings) - Homenish

Standard Faucet Hole Sizes and Guidelines (with 2 Drawings) - Homenish

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Reference

19.06.2025 ... It is worth noting that the standard diameter of the kitchen sink hole is generally between 35 mm and 45 mm, and the specific size will vary ...

Standard Kitchen Sink Hole Size at Chloe Pratt blog

Standard Kitchen Sink Hole Size at Chloe Pratt blog

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Reference

Yes, most kitchen mixer taps have a standard size base hole which is measured at 35mm, but the fittings themselves and the spout can vary. Always check your ...

Standard Kitchen Sink Hole Size – Things In The Kitchen

Standard Kitchen Sink Hole Size – Things In The Kitchen

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Reference

10.09.2022 ... The standard kitchen sink tap hole size is 35mm in diameter. This is the size that the hole in the sink or cut-out in the worktop will typically be to fit a ...

Standard Kitchen Sink Hole Size – Things In The Kitchen

Standard Kitchen Sink Hole Size – Things In The Kitchen

Visual inspiration for your project.

Reference

While there are some common sizes, there's no single 'universal' dimension. Number of Tap Holes: Some sinks come with one hole (for monobloc taps), while others ...

Kitchen Faucets Dimensions & Drawings | Dimensions.com

Kitchen Faucets Dimensions & Drawings | Dimensions.com

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Reference

29.12.2023 ... Currently in the process of installing a sink and it doesn't have the tap hole. The instruction say to drill a 35mm hole but I only have ...

Standard Faucet Hole Sizes and Guidelines

Standard Faucet Hole Sizes and Guidelines

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Reference

If you're unsure, measure the diameter of your pre-drilled hole and compare it to the base of the tap you're considering. And if you have a non-standard sink, ...

Standard Sink Drain Size at Karen Wigfall blog

Standard Sink Drain Size at Karen Wigfall blog

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Reference

Q: What size drill bit is needed to go through solid oak worktop for this tap ... Videos must be at least five seconds. ... Was this helpful? ... A: Hello, the hole ...

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Types of Faucets: How to Measure Faucet Size for Sinks

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Reference

19.05.2025 ... These are standard in most modern kitchens and work with single or double-hole sink setups. Filter taps provide clean drinking water ...

Basin Drain Hole Size at William Melendez blog

Basin Drain Hole Size at William Melendez blog

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