Giant Quartz Slabs: Affordable Jumbo Worktops for Kitchens and Bathrooms in London

Homeowners across London are feeling the pinch with sky-high reno costs these days. You want surfaces that are built to last, cover big areas properly, and don’t completely rinse your budget.

That’s exactly where giant quartz slabs come in. These proper massive formats (think 320 × 160 cm, 330 × 163 cm, or even 350 × 200 cm monsters) let you do huge kitchen islands, long vanity tops, or full-height splashbacks with barely any joins – often just one single slab for the lot.

The result? A cleaner, more luxurious seamless look that makes the whole room feel bigger and more premium, all while keeping fabrication and installation costs down (fewer cuts, less waste, quicker fitting).

Tough as nails too – stain-resistant, scratch-proof, heat-tolerant, and dead easy to clean. You get that high-end marble or stone vibe without the price tag or the maintenance headaches.

Perfect if you’re in areas like Hampstead, Chelsea, Islington, or Battersea and want a stunning kitchen or bathroom that looks a million bucks but stays firmly within real-world budgets. The Worktop Library brings you entry-level options that save money while delivering quality. People in Greater London and the South of England turn to these slabs for practical projects.

Let’s keep it simple – normal worktops usually need ugly joins when you’ve got a wide island or long runs. Giant slabs sort that out completely.

These beasts go up to a massive 3500 × 2000 mm, so most big kitchens or bathrooms can be done in one single piece. Clean, seamless lines, no breaks in the pattern, and it instantly looks more premium.

Prices kick off around £95 per square metre for the simpler designs – that’s genuinely cheaper than a lot of natural stone (which can easily push much higher), plus you save on waste and labour because there are fewer cuts and joins for the fitters.

At Worktop Library we stock loads of full-body and printed quartz that nails the marble look – everything from crisp pure whites to those beautiful veined patterns. Every slab is properly stain-resistant, scratch-tough, and never needs sealing.

You can throw everyday life at it – kids, cooking, spills – and it just wipes clean. No drama.

Loads of London businesses choose these for commercial jobs too (bars, receptions, offices) because they look class but handle heavy use without fuss.

Fancy seeing how a giant quartz slab could transform your space? Pop in, give us a call, or drop a message – we’ll sort you out with samples and a proper quote.

What Are Giant Quartz Slabs?

Quartz forms from ground crystals mixed with resins and colours. Manufacturers press this blend into slabs. Engineered quartz is made by combining 90–93% natural quartz crystals with resins and pigments.

Giant versions go beyond standard sizes. Regular quartz slabs hit 3000mm by 1400mm. Jumbo ones reach 3300mm by 1650mm or larger, like 3500mm by 2000mm. This extra space suits big kitchen layouts.

You’ll find these in a gorgeous polished finish that really brings out the shine and depth.

They come in 20 mm or 30 mm thicknesses – the thinner 20 mm is spot-on for walls, cladding, or lighter-duty areas like vanity sides, while the chunkier 30 mm is perfect for heavy-duty counters and islands that take a proper beating.

Quartz is completely non-porous, so liquids just sit on top and never soak in – no staining worries. That also means bacteria can’t hide or breed in tiny cracks like they can with natural stone.

Cleaning? Dead simple – just soap and warm water on a soft cloth, and it’s back to looking brand new. No special cleaners, no sealing, ever.

Here is why size matters.

Large slabs reduce seams. Seams collect dirt over time. Giant formats keep surfaces smooth. Installers template them for perfect fits. London homes with open plans benefit most. You create waterfall edges on islands without breaks. South England builders use them for quick jobs.

Quartz gets mined all over the world, but the big brands we stock at Worktop Library only use proper high-grade stuff – the best quality crystals to make sure your worktop looks and performs brilliantly.

These slabs can handle heat up to around 150°C without batting an eyelid, but we always say pop a trivet under really hot pans just to be safe. Indoors, UV rays won’t fade them at all, so they stay looking fresh forever. If you’re thinking outdoors, though, give us a shout – some colours cope better than others.

You’ll get solid warranties anywhere between 10-15 years depending on the design, covering any chips or cracks from normal day-to-day use (not accidents, obviously!).

People often ask where it all comes from. Engineered quartz kicked off back in the 1960s in Italy – they basically invented the modern engineered quartz slabs. The process was pioneered in Italy in the 1960s by companies like Breton, who developed the original quartz surfacing technology. These days, UK suppliers like us work with companies that import the raw slabs and do all the cutting and finishing in local workshops right here in London. That means we’re keeping jobs local and you get faster turnaround too.

Giant slab sizes are a fairly recent thing, but demand absolutely exploded once people saw how stunning seamless islands and splashbacks look in modern homes. Once you go giant, you don’t go back!

Why Choose Giant Quartz Slabs for Your Project?

You want proper bang for your buck when you’re renovating – and giant quartz absolutely delivers on that.

Durability is the real standout here. These slabs shrug off scratches from knives and daily chopping like it’s nothing, so even the busiest family kitchens across London stay looking sharp for years.

Stains from red wine, curry, oil – whatever you throw at it – just wipe straight off with a damp cloth. No permanent marks, no panic.

Low care appeals to busy lives. Wipe daily. No sealants needed yearly. Granite requires that. Quartz saves time. Hygienic qualities shine in bathrooms. Non-porous build stops mould. South England homes near coasts face humidity. These slabs hold up.

Affordability is a massive draw – entry-level prices for a typical two-slab kitchen worktop start at £665 using a single slab instead of two, which is miles better than the average £850 you’d pay for each granite slab. And with giant slabs, you save even more because there are fewer pieces to cut and join. Installers charge less for straightforward jobs, so on bigger projects you can easily knock 20% off the total cost.

Styles are all over the place in the best way – white bases with realistic veining that nail the marble look, or solid colours if you’re after proper minimalism. Whatever your decor, there’s something that fits perfectly. Right now in London, lighter tones are flying out the door for smaller kitchens because they bounce light around and make rooms feel bigger. Businesses love the neutral shades for offices, cafes, and receptions – timeless and professional.

The eco side is a nice bonus too. Loads of slabs now include recycled content, and the manufacturing process uses way less water than old-school stone mining. Plus, because they’re so tough, you won’t be ripping them out and replacing them anytime soon – fewer trips to the landfill.

Of course, nothing’s perfect. Quartz can chip if you drop something really heavy on the edge, and anything over 150°C (like a pan straight off the hob) can scorch it – just use a trivet and you’re golden. Outdoors, strong sun can fade some colours over time, so it’s really best kept indoors.

For most people though, the pros completely outweigh the cons.

Maria Kairuz, Operations Manager organizing daily quartz worktop installations

Let’s wrap up why giant quartz is flying off the shelves in London homes right now:

• Strength: Takes daily knocks in its stride – knives, pots, kids, no problem.
• Cleanliness: Naturally fights germs – completely non-porous, so bacteria have nowhere to hide or breed. Just wipe and you’re done.
• Cost: Seriously beats natural stone on price per metre, and the savings get even bigger with giant formats (fewer cuts, less labour, lower install bills).
• Looks: Endless patterns and colours to choose from – realistic marble veining, crisp solid shades, subtle sparkles… whatever vibe you’re after, it will be there.
• Ease: Covers massive areas seamlessly with hardly any joins – one slab often does the whole island or splashback, instant high-end feel.
• Longevity: With the most basic care, it’ll stay looking brilliant for decades. No fading, no staining, no regrets.

You can see why so many London homeowners are going giant quartz these days – proper luxury that actually works for real life and doesn’t cost the earth.

Top Giant Quartz at Worktop Library

Worktop Library offers nine giant quartz options. Each suits affordable projects. We focus on white and Calacatta styles. These sell fast in Greater London. Prices stay entry-level. You get jumbo sizes for seamless fits. Let’s look at each.

1. Calacatta Amber Giant Quartz

This slab is like a little bit of sunshine for those dreary London winters – those warm amber veins running through a crisp white base bring a proper golden glow that instantly lifts the room.

The gold tones give off serious luxury vibes, but without the eye-watering price tag of real marble. You’re getting that high-end marble look for a fraction of the cost – total bargain.

Kitchens absolutely come alive with it – everything feels warmer, richer, and more inviting the moment it’s in. Bathrooms? They turn into proper spa territory, calm and indulgent every time you step in.

Perfect if you want to add a touch of opulence that feels cosy rather than cold.

Features include:

• Size: 3500mm x 2000mm for big islands or huge bar and reception worktops, and 3200 x 1600mm for regular size kitchens.
• Thickness: 20mm or 30mm (30mm is 50% more robust).
• Finish: Polished for shine.
• Price: ££ entry-level, around £155/m².
• Applications: Kitchen counters, vanity tops, wall cladding and expansive floorings.
• Warranty: 10 years against defects.

You can combine it with wood cabinets. Light reflects off veins. Clean lines suit modern flats.

2. Calacatta Supreme Giant

This one doesn’t mess about – thick, sweeping veins cut dramatically across a crisp white background, nailing that classic Calacatta marble look with proper confidence.

Supreme is all about making a statement: perfect for big, show-stopping islands, waterfall ends, or full-height splashbacks where you want the pattern to steal the show.

Thanks to the large formats, the design flows uninterrupted – no awkward seams chopping up those gorgeously delicious veins. You get the full, unbroken impact exactly as it’s meant to be seen.

It’s the kind of surface that will turn a kitchen or bathroom into something seriously special the moment it’s fitted. Bold, luxurious, and unapologetic.

Key points:

• Size: Jumbo 3200x1600mm, and Giant 3500mm x 2000mm.
• Thickness: Standard 20mm/30mm.
• Finish: High gloss polish.
• Price: Affordable £149/m².
• Applications: Islands, backsplashes, floors with uninterrupted veining (also in bathrooms).
• Warranty: 15 years.

London designers love the drama. It will elevate small spaces instantly

3. Calacatta Tuscan Giant

Soft golden veins warm a bright white giant base. Tuscan will evoke Italian hills the minute you see it. You bring sunshine to UK homes. Gentle patterns suit family kitchens. Giant size covers wide areas smoothly.

Details:

• Size: Jumbo 3200 x 1600mm and 3500mm x 2000mm giant, seamless to omit joints.
• Thickness: 20mm for light use, 30mm for heavy use.
• Finish: Polished surface (not as glossy as porcelain worktop).
• Price: Budget £175/m².
• Applications: Worktops, vanities, bars.
• Warranty: 10 years.

South England cottages gain charm with this.

4. Solid White Giant

Pure white offers clean simplicity. It always will. No veins distract. You create minimalist looks using huge worktops. Bright shade will open rooms in the places you need it to. Giant slabs fit entire counters in one go.

Specs & details:

• Sizes: 3200 x 1600 mm and Extra large 3500mm x 2000mm, massive.
• Thickness: 20mm/30mm choices.
• Finish: Smooth polish.
• Price: Low £118/m².
• Applications: Kitchens, labs, offices.
• Warranty: 10 years.

Greater London homeowning properties can shine with this, especially those needing robust rental flat worktops that never go out of fashion.

5. White Carrara Giant Quartz

Soft grey veins trace a white canvas that will stay. Carrara nods to classic marble. You get timeless style. Large size allows full vein runs without cuts.

Highlights:

• Size: 3500mm x 2000mm Giant and Jumbo 3200 x 1600 mm.
• Thickness: 20mm or 30mm.
• Finish: Polished for elegance.
• Price: £109/m² entry.
• Applications: Counters, showers in master bathrooms, and expansive desks for office and hospitality.
• Warranty: 15 years.

Victorian homes in London match well.

6. White Carrara Light Quartz Giant

These lighter, more delicate grey veins give the whole slab a much gentler, understated feel  if you prefer subtle elegance over anything too bold ( always keeping costs low).

Points:

• Size: Massive 3500mm x 2000mm and 3200 x 1600mm light slab.
• Thickness: Flexible 20mm/30mm.
• Finish: Glossy polish modern looks.
• Price: Affordable £109/m².
• Applications: Vanities, hearths, tables (commercial and residential).
• Warranty: 10 years.

Modern builds in South England prefer it.

7. Calacatta Gold Bergamo Quartz Giant

Fine grey veins and golden touches on pure white. This option will balance bold pattern and plain. You could use it for any versatile designs. Seamless giant slabs cover long runs.

Features:

• Size: 3500mm x 2000mm (we recommend using our professional installers)
• Thickness: 20mm light, 30mm sturdy.
• Finish: High polish (shine).
• Price: £175/m².
• Applications: Islands, cladding, furniture.
• Warranty: 15 years.

Commercial spots in London, whether north, south, west, east or central, will thrive.

8. White Carrara Shimmer Giant

Gentle sparkle meets soft grey veins in this massive slab. The shimmer gives a subtle glow across the surface, just like classic white-grey marble. Crisp white base will keep everything fresh. Giant Carrara Shimmer absolutely shine in well-lit rooms.

Details & specs:

• Size: Superlarge 3500mm x 2000mm huge worktop material and jumbo 3200 x 1600mm slabs.
• Thickness: 20mm/30mm.
• Finish: Polished with spark.
• Price: £119/m².
• Applications: Kitchens, use in bars, as accents (think bathroom niches too), floating shelf + splashback.
• Warranty: 10 years (a whole decade without stress or marble maintenance).

Just you know, you will notice that the evening light enhances the effect.

9. White Luster Giant Quartz

Brightest super white gleams. Luster boosts shine. No patterns for pure focus. Giant slabs suit contemporary vibes.

Specs:

• Size: 3500mm x 2000mm and Jumbo 3200 x 1600mm seamless.
• Thickness: 20mm or 30mm.
• Finish: Ultra polish.
• Price: £109/m² low end.
• Applications: Counters, vanities, walls, floors.
• Warranty: 15 years.

London lofts will look sharp.

These slabs fit any budget. You pick based on vein strength or solid colour. All resist daily wear.

Installation Tips for Giant Quartz in London

Why the Pros Are Best for Giant Slabs

These massive slabs are no joke – they’re heavy beasts (a single 320 × 160 cm piece can easily weigh 200–300 kg), so trying to wrangle them yourself is asking for trouble. Leave it to the pros who’ve got the kit, the experience, and the manpower to do it right.

Precision from Start to Finish

It all kicks off with a proper site visit – we come out, measure everything to the millimetre with laser templating tools (digital ones now, so super accurate), and plan exactly where cuts go for sinks, hobs, taps – the lot. No guesswork, no nasty surprises later.

Back in the workshop, our fabricators cut, polish, and shape the slab on CNC machines – perfect edges, perfect cutouts, every time.

Delivery and Install Day

When it’s ready, we deliver using proper cranes or hiab lorries for the really big ones – gets them safely into your house without scraping walls or floors.

Our fitting teams (always at least two or three worktop installers for giant slabs) levels the cabinets dead-on (crucial – any twist and you risk cracks), bonds the slab with strong ecologically made adhesives, seals every edge with our colour-matched silicone, and gives it a final check for rock-solid stability.

A Few Real-Life Tips

You know that London traffic can be a nightmare (virtually always), so we always plan deliveries with plenty of buffer time – early mornings or off-peak when possible. Booking well ahead avoids those frustrating delays.

Bottom line: giant slabs look incredible, but they’re not a DIY job. With a proper professional team handling everything from templating to final polish, you will get a flawless finish that’ll last decades – no stress, no damage, just a stunning result you’ll love every day

If you’re anywhere outside central London (think Surrey, Kent, Hampshire, Berkshire, etc.), we’ll definitely need to factor in travel time for the team. That usually adds £500–£1,000 to the install cost depending on how far out you are. It covers fuel, time, and getting the kit there safely.

DIY might look tempting to skip the fee, but honestly our giant slabs are heavy and unforgiving. One slip and you’re looking at cracks, chips, or worse, so we always recommend letting our pros handle it.

Quick Tips to Make Everything Run Smoothly ( as you surely intend)

• Clear the space before we arrive – move appliances, empty cabinets, give us room to work.
• Protect your floors with dust sheets or boards (we bring some, but extra never hurts).
• Check the giant quartz slabs on delivery – we’ll unwrap it with you so you can spot any issues straight away (rare, but peace of mind).
• Allow curing time – the adhesive needs 24–48 hours to set fully, so keep weight off until we say it’s good.
• Clean gently after fitting – just warm water and a soft cloth for the first week while everything settles.

Do those bits right and you’ll be enjoying your stunning new surfaces in no time – no stress, no damage, just that proper wow factor as soon as it’s done.

Cost Savings with Giant Quartz Slabs

Fewer slabs needed to cover the same area, so waste drops 15-20% right off the bat. Labour hours get cut too because there’s less cutting and joining.

Seams are minimal (or none), so no extra polishing or filling work.

Quick comparison: A standard kitchen with two worktops and an over 3-metre-long island usually needs two regular slabs (with a join in the middle). A giant slab does it in one single piece – that alone can save you around £300 just on the joints and finishing.

London kitchen installs average £2,000–£4,000 for medium-sized ones, and going giant keeps you firmly at the lower end. Businesses doing multiple units see the savings really stack up.

Then factor in longevity – proper quartz lasts at 25 years easy, so no replacements on the horizon. You invest once and you’re done.

Here’s why it’s such good value:

• Non-porous (no absorbency)surface will save you on fancy cleaners spend – soap and water does the job.
• Durability means virtually no repairs over the years.
• Value holds strong if you ever sell the house – buyers love a fresh, premium kitchen.

Future Trends in Quartz Worktops for 2026

Bolder, chunkier and even fine thin veins are definitely on the way – think dramatic Calacatta-style patterns that will make you even bigger statements on these giant quartz slabs when you use them.

Eco-friendly mixes are gaining serious traction too in London and its surrounding counties, with more brands using recycled content and greener production methods without skimping on looks or toughness.

Watch Our Video on Giant Quartz Slabs

See these slabs in action. Our clip shows our nine favourite design options and looks.

Frequently Asked Questions

• What sizes do giant quartz slabs come in? Up to 3500mm x 2000mm (and slightly smaller 3300 x 1630 mm if even least waste needed).

• How much do they cost in London? From £95/m².

• Do they need sealing? No, they never will (they give you non-porous designs).

• Can I install myself? We recommend you using our Pros for best results.

• What warranty? 10-15 years typical.

Next steps: Contact our Worktop Library professionals for quotes.

Final Thoughts

Giant quartz slabs transform spaces affordably. You gain durable, stylish surfaces. London and South England projects succeed with these. If this is what you have been looking for uyou can save money today.

Author:

Alan Nussbaum

Meet Alan Nussbaum, our Sales and Marketing Manager. With almost two decades of experience, Alan’s impressive track record includes creating one of the first online stone companies in 2012 and pioneering the acceptance of cryptocurrencies in construction in 2018 before co-founding The Worktop Library with Maria.
Alan’s work is featured in numerous Stone and Home Decor magazines. In addition, he collaborates with the industry’s leading stone brands, cementing his reputation as an innovator.
Before starting a thriving career in the stone industry, Alan honed his skills by overseeing luxury fashion brands such as Burberry, Matches Fashion, and Patrick Cox. With his unique blend of experience and expertise, Alan is a true trailblazer in the stone worktop industry. His passion for delivering exceptional service is evident in every aspect of his work.