Table of Contents
- What Are 30mm Kitchen Worktops?
- Different Types of Thicker Worktops
- Benefits of Thicker Worktops
- Pros and Cons of 30 mm Kitchen Surfaces
- 20mm vs 30mm Worktops: Which Is Better?
- Cost of 30mm Kitchen Countertop in the UK
- Installation Tips for 30mm Kitchen Worktops
- Why UK Homeowners Prefer 30 mm Worktops
- Are 3 cm Worktops Worth the Investment?
- Get 30mm Custom Kitchen Worktops UK
- Final Thoughts on Standard Thickness of a Worktop
- Frequently Asked Questions and Answers
Why do most UK kitchens use 30mm worktops? Is it necessary that all kitchens follow this? Is there something like the correct worktop thickness? Does this detail even make any difference?
We will know it all in the coming sections. This blog will break down the ideal worktop thickness for UK kitchens, how it compares with the standards of other countries, the factors that affect the ideal measurement, and why it is worth considering adjustments for our lifestyle.
What Are 30mm Kitchen Worktops?

When it says 30mm worktop, it is being talked about the thickness of your countertop. The size that fits between your thumb and index finger. 30mm means 30 millimetres, which is equivalent to 3cm. This is thicker than the common 20mm option and is considered the premium standard for many UK homes.
30mm Kitchen countertops are often chosen by homeowners for the values listed below:
30 mm kitchen worktops’ strength & durability are regarded to be less prone to cracking or chipping.
3cm worktops give a luxurious appearance with their bold, substantial look in the kitchen.
30mm worktops are highly versatile. You can install this in both modern and traditional kitchens.
Different Types of Thicker Worktops
In the UK, a homeowner has many options of thick worktops, such as:
30mm Granite worktops – Natural stone with unique veining, offering strength and individuality.
30mm Marble worktops – Luxurious but slightly more delicate, ideal for statement kitchens.
30mm Quartz worktops – Non-porous, durable, budget-friendly, and available in multiple colours and designs that mimic stone and marble.
30mm Quartzite worktops – Natural stone with marble-like patterns but a lot less sensitive and manageable.
30mm Ceramic & Porcelain worktops – These are perfect for modern look kitchens. They have excellent stain resistance.
Next Read: Standard Slab Size and Worktop Thickness
AZUL AVA QUARTZITE
£435.50
Azul Ava Quartzite is a stunning multicolour slab. It has an overall grey base that features luminous golden, white and black shades. The slab looks like a lavish silk fabric and is a perfect example of nature’s miracles. This surface… read more
BROWN EMPERADOR DARK MARBLE
£287.00
Brown Emperador Dark Marble's aesthetic qualities make it one of the most sought-after materials on the market. So much so that its use in decoration is so widespread that it is also used to create sculptures. Emperador marble looks great… read more
BLUE ROMA QUARTZITE
£638.00
Blue Roma Quartzite is a blue quartzite with gold and brown textures. Its irregular veins and blue and brown circles evoke both nature and luxury. Because of its chic, exotic style and solid hardness, it is ideal for walls, flooring,… read more
Benefits of Thicker Worktops
These are the reasons why 30mm and thicker worktops are popular in the UK:
1. Exceptional Durability
Your thicker kitchen slabs will be highly resistant to daily wear and tear. Even perfect if your kitchen is mostly busy.
2. Premium Look & Feel
The extra thickness of your worktop means you get a kitchen with a luxurious, high-end appearance.
3. Improved Stability
Heavier slabs sit firmly on cabinets, making them more stable than thinner options.
4. Heat & Scratch Resistance
Especially in materials like quartz and granite, the extra mass improves resilience.
5. Adds Value to Property
Homebuyers in the UK often associate thicker kitchens, like 30mm worktops, with superior quality.
6. Design Versatility:
30 mm kitchen countertops complement various styles—from sleek, modern interiors to classic country kitchens. Their proportions look natural with most cabinet heights and depths.
Pros and Cons of 30 mm Kitchen Surfaces
Pros
3 cm worktops are built to last. Why? Because they are sturdy enough to handle the daily knocks and spills of a busy kitchen.
Thick 30mm countertops look truly premium and upgrade your space.
Because at Work-tops.com 30mm kitchen worktops come in a wide variety of materials, colours, and finishes, you will get plenty of choice to suit any design style.
Not just these, but you will be adding real value to your home. Thick worktops boost the appeal and potential resale price of your home.
Cons
Because more material is involved, it will cost a bit more than slimmer 20 mm options.
The extra weight means professional installation is a must.
It may not suit an ultra-slim or minimal-style kitchen. It could give it a bulky look.
Also Read: What Thickness Worktop Is Best for Your Kitchen?
20mm vs 30mm Worktops: Which Is Better?

Both 2cm and 3cm thicknesses are popular, but here’s a quick comparison:
Feature 20mm Worktop 30mm Worktop
Look Slim, minimal Substantial, premium
Durability Strong, but lighter Heavier & more durable
Cost More affordable Higher investment
Best For Minimalist kitchens Premium family kitchens
If the budget allows, most UK homeowners choose kitchen surfaces in 3 cm for long-term durability and a statement finish.
Read Next: Do You Really Need an Edging Strip for Stone Worktops?
Cost of 30mm Kitchen Countertop in the UK
Please note that 30mm is a wide concept. The exact price of the worktop highly depends on what you select, how rare it is, its durability, finish and size. But, for you, here’s a rough average:
30mm Quartz Worktops → £220 – £350 per m²
30mm Granite Worktops → £250 – £400 per m²
30mm Marble Worktops → £280 – £450 per m²
Tip: Get quotes tailored to your kitchen layout — cut-outs for sinks, hobs, and edge polishing affect the final price.
Call us at 0330 113 5868 or Click Here to Get a Free Quote for your 30mm worktops.
Installation Tips for 30mm Kitchen Worktops
Ensure your base cabinets are level and reinforced — thicker slabs are heavier.
Allow for professional fitting to avoid damage during installation.
Choose the right edge profile like straight, bevelled, and bullnose that matches your design.
Why UK Homeowners Prefer 30 mm Worktops
From modern London apartments to traditional countryside homes, worktops in 30mm thickness are seen as the “luxury choice.” They combine strength, beauty, and long-term value, making them a smart investment.
At Work-Tops.com, we help homeowners across the UK choose and install the perfect stone worktops tailored to their lifestyle.
Are 3 cm Worktops Worth the Investment?
If you’re planning a kitchen upgrade and want the right mix of strength, style, and long-term value, 30mm stone worktops are hard to overlook. They do cost a little more than slimmer options, but the extra thickness pays you back with durability, a richer look, and even a boost to your home’s resale appeal.
For homeowners who love a work surface that feels solid, stands up to everyday cooking, and suits everything from sleek modern layouts to cosy traditional kitchens, 30mm worktops are a smart, stylish investment.
GOLD MARINACE GRANITE
£444.10
Gold Marinace Granite is a multicolour, coarse grained natural stone that has a gorgeous blend of olive green, brown, beige, grey and black. Granite is a natural stone which adds charm and elegance to any living space. Granites are formed… read more
BLACK BEAUTY GRANITE
£444.68
Specifications Stone Name: Black Beauty Granite Core material: Granite Nature: Natural Stone Base Colour: Black Pattern: Foam-like white streaks Hardness: 6 on the Mohs scale Uses: Indoor and outdoor Description This Indian granite features a black base surfaced with white… read more
NERO MISTRAL QUARTZ
£338.54
Nero Mistral Quartz is an eye-catching interior design slab that features a black base with busy white veins. It is given a dazzling finish that makes a perfect addition in both residential and commercial settings. It is a dream come… read more
Get 30mm Custom Kitchen Worktops UK
If you have already completed your cabinet installation process, it is time to get you the best stone worktops that will stand the test of time as well as give you a premium kitchen.
Ready to transform your kitchen? Explore our collection of 30mm UK kitchen worktops in quartz, 30mm granite, 30mm marble worktops and many more for the best prices in the UK.
Call 0330 113 5868 or email here to customise your kitchen not only for beauty but also for comfort.
Final Thoughts on Standard Thickness of a Worktop

For those planning a new kitchen, choosing thicker worktops is an ideal decision for your UK home. There is nothing to worry about. Just ensure that your cabinets are strong enough to handle the weight of 30mm worktops and similar. You will get a kitchen that brings a reassuring sturdiness, a touch of luxury and long-term value.
At Work-tops.com, we have all types of stone worktops, so if you want a variety to choose from for your worktops in granite, quartz, marble and more, you know what to do.
Call 0330 113 5868 or email info@work-tops.com to get the best price and expert advice for your home.
Frequently Asked Questions and Answers
What Is The Difference Between 2cm And 3cm Worktops?
Naturally, 30 mm worktops are thicker than 20mm, so that makes them stronger and more durable. Lookwise, 3 cm offers a premium look.
Are 30 mm Worktops Stronger?
Yes, if you compare it to 20mm and thinner worktops, a 3 cm worktop provides more strength because of its added thickness. This means there is less chance of cracks and chips.
Which Materials Are Best For 30mm Worktops?
The bestsellers in UK kitchens are quartz and granite. Other popular picks are marble and porcelain. They also make excellent choices. Check out 10+ more materials for your home.
How Much Do 3 cm Worktops Cost?
On average, 30mm quartz and granite worktops range from £220 – £400 per m², depending on material and finish.
Does 3 CM Worktops Add Value To A Home?
Yes. They are considered a premium feature, often appealing to potential buyers.