Elliott Stone Works — Article
Taking Stone Outside:
How Surrey Gardens Are Becoming Proper Outdoor Rooms
By Sam Elliott · April 2026 · 12 min read
Something has shifted in how people in Surrey and Sussex think about their gardens. Not long ago, an outdoor kitchen meant a built-in barbecue with a side burner and somewhere to put a plate. Now it means something altogether more considered: a properly designed outdoor room, with a sink, a fridge, prep space, a worktop that can take a hot pan, and somewhere to actually cook a meal from start to finish — rain or shine.
The numbers back this up. The outdoor kitchen market in the UK is growing quickly and is projected to approach £2 billion by 2030. That's not a trend driven by one warm summer. It reflects a real and lasting change in how people want to use their homes — and the gardens of Surrey and Sussex, where space and ambition tend to run together, are very much part of that story.
We've been fitting stone outdoor kitchen worktops as part of our work for a while now, and the questions we get asked are consistent. What material works outdoors? How do you handle the British climate? And how do you make something that's genuinely beautiful, not just functional? This is our honest answer to all of it.
From Barbecue to Outdoor Room
The shift happening in garden design right now is really about aspiration meeting practicality. People have realised that a properly built outdoor kitchen — one that's covered, well lit, with a decent worktop and somewhere to prep — is usable for far more of the year than anyone initially thinks. It becomes an extension of the home rather than an occasional feature you wheel out in July.
There's something genuinely exciting about designing an outdoor kitchen well. The design brief is different to an indoor kitchen: you're thinking about sight lines into the garden, about where the sun falls in the afternoon, about shade in summer and warmth in autumn. A well-designed outdoor room in a Surrey garden, with the right covered structure and the right stone surface, is a genuinely joyful place to spend time for a very large part of the year.
The British Climate Question - Let's Be Honest About It
This is always the first thing people ask, and we'd rather answer it properly than give you a vague reassurance. The British climate is genuinely variable, and that variability is what outdoor stone worktops have to be built to withstand: frost, rain, UV exposure across a British summer, temperature swings across seasons, and the occasional very cold winter.
The honest answer is that the stone itself is rarely the limiting factor. The structure around it is. A beautifully specified outdoor kitchen built into an open patio with no cover will be used far less than one tucked under a well-designed pergola or integrated into a proper garden room. If you want an outdoor kitchen that you'll actually cook in eleven months of the year rather than three, a covered structure is not a luxury, it's the most important investment you can make. The stone, once you've chosen the right material, will handle whatever the Surrey and Sussex climate throws at it. It's the cook who needs the cover, not the worktop.
That said, not all stone materials are created equal when it comes to the outdoors, and choosing the wrong one is an expensive mistake. The British climate is particularly unforgiving of porous materials, frost-sensitive surfaces, and anything with a resin binder. Which brings us to the materials themselves.
Porcelain: Our First Choice, Every Time
If someone asks us what we'd specify for an outdoor kitchen worktop without knowing anything else about the project, the answer is porcelain. It ticks every box that the outdoor environment demands: it's UV stable, so it won't fade or discolour in sunlight; it's non-porous, so it doesn't absorb water, can't harbour bacteria, and won't stain from food or wine; and crucially, it's frost resistant — it won't crack or spall when temperatures drop below zero.
It also requires essentially no maintenance. There's no annual sealing, no special cleaning regime, no anxiety about leaving a glass of red wine on the surface overnight. In an outdoor setting where a worktop might be exposed to the elements for weeks at a time without anyone thinking about it, that combination of properties is very hard to beat.
Aesthetically, modern porcelain has come a long way. The stone-effect finishes from brands like Dekton and Neolith are genuinely impressive — large format slabs with convincing depth and movement that hold up to scrutiny in a way that earlier porcelain products didn't. If you want something that looks like natural stone outdoors without any of the compromises that natural stone involves in a British climate, porcelain is where we'd start the conversation.
One practical note: outdoors, we'd always recommend 20mm as a minimum thickness for a porcelain worktop, and 30mm is better. Thicker slabs are more forgiving of any slight irregularity in the substrate beneath them, and outdoors the substrate will inevitably move more than it would indoors as temperatures change across the seasons.
Granite: a Natural Stone That Genuinely Works Outdoors
Of the natural stone options, granite is the one we'd recommend outdoors with the fewest caveats. It's exceptionally dense and hard, which makes it naturally resistant to frost in a way that softer stones are not. It handles UV exposure well — the colour and character of granite are inherent to the stone rather than a surface treatment, so sunlight doesn't alter it. And a properly sealed granite surface is non-porous enough to handle the outdoor environment without difficulty.
Sealing is the one thing you'll need to think about with granite outdoors. Indoors, we recommend sealing once a year as good practice. Outdoors, with more exposure to moisture and temperature variation, you might want to do it twice. It's still a twenty-minute job with a good impregnating sealer, and in return you get a completely unique, strikingly beautiful natural surface that will last as long as the structure around it.
Granite is also genuinely stunning in an outdoor context. The drama of a dark absolute black or a deep blue-pearl slab, running as a continuous outdoor worktop against a backdrop of planting and sky, is something that no engineered material quite replicates. If you love natural stone and want the real thing outdoors, granite is the answer.
Quartzite: Worth Considering for the Right Project
Quartzite works outdoors, with some care taken over selection. A true quartzite — a metamorphic stone that's been fully converted from sandstone under heat and pressure — is hard, dense and durable, and handles frost and UV reasonably well. It needs sealing, like granite, and ideally slightly more attention paid to that sealing schedule outdoors.
The reason we'd encourage careful selection is that the name quartzite is sometimes applied in the market to stones that are softer and more porous than a genuine quartzite, and for outdoor use that distinction matters. If you're drawn to quartzite for an outdoor kitchen, it's worth talking through the specific stone with us before you commit. The right quartzite is a beautiful choice outdoors, with that extraordinary movement and depth that natural stone delivers. The wrong one can underperform in a British winter.
Materials We Don't Recommend Outdoors
We supply both quartz and marble and we think highly of both materials in the right indoor setting. Outdoors, though, we'd steer you clearly away from either, and it's worth understanding why.
Quartz is engineered from natural stone particles bound together with a resin binder, and that resin is not UV stable. In a British garden, exposed to seasons of sun and weather, quartz worktops will discolour. The change can be subtle at first and more pronounced over time, but it's consistent and irreversible. This isn't a quality issue with a particular brand — it's a fundamental property of the resin chemistry. Quartz is an excellent indoor worktop material. Outside, it's the wrong choice, full stop.
Marble is porous, which makes it vulnerable to frost damage: water absorbed into the stone's surface can freeze, expand and cause spalling or cracking over time. It's also susceptible to acid rain, which in a garden setting is far more of a risk than in a kitchen. The surface will etch, stain and deteriorate in ways that are distressing rather than characterful. We love marble in the right indoor space. In a British garden, it will disappoint you.
A Few Things Worth Getting Right
Material choice is the biggest decision, but there are a handful of practical details that make a real difference to how an outdoor stone worktop performs over time, and it's worth going into a project with these in mind.
Thickness, as we mentioned above, matters more outdoors than indoors. 20mm is a reasonable minimum; 30mm gives you more resilience against substrate movement and the occasional impact that an outdoor environment tends to produce. If you're comparing quotes and the specification doesn't specify thickness, ask — it's a meaningful difference.
Edge profiles are worth keeping simple outdoors. An eased or bevelled edge handles everyday knocks and weather exposure better than an elaborate ogee or pencil round that can chip or hold water. The goal outdoors is durability and clean lines, not the decorative complexity you might specify for an indoor kitchen island.
Drainage is something that a good outdoor kitchen designer will think about, but it's worth asking about specifically. A worktop that's even slightly off-level will pool water in the British climate, and standing water against any surface, however good the stone, is always something to avoid. A gentle fall away from the cooking area, and good drainage designed into the substrate, will serve you well.
Finally, the structure beneath the worktop. An outdoor kitchen unit needs to be built to withstand the same climate as the stone above it. Stainless steel frames, marine-grade ply properly sealed and treated, or concrete block construction are all used successfully. What tends to cause problems is standard timber or MDF that hasn't been specified for outdoor use — the substrate moves, the stone above it shifts, and seams open or surfaces crack. It's the kind of thing that's worth getting right at the planning stage rather than revisiting later.
Which Material for Your Outdoor Kitchen?
Our first choice outdoors — no caveats
Porcelain
UV stable, frost resistant, zero maintenance. The easy answer.
Natural stone that handles the British climate
Granite
Dense, durable, beautiful. Seal it twice a year and it will outlast everything around it.
Works outdoors — selection matters
Quartzite
A true quartzite is a good outdoor choice. Worth a careful conversation first.
Excellent indoors — not outdoors
Quartz & Marble
We'd steer you clearly away from both in a British outdoor setting.
The outdoor kitchen category is one we find genuinely exciting to work in. There's something very satisfying about taking the same care and quality we bring to an indoor kitchen and applying it somewhere people hadn't previously thought to put it. The Surrey and Sussex gardens we work across often have the space to do something really special, and the right stone worktop is a meaningful part of making it feel finished.
If you're in the early stages of thinking about an outdoor kitchen, we're happy to talk through the material options, the structural considerations, or simply what's possible. Come and see us in Cranleigh, or send us your plans and we'll take it from there.
Frequently Asked Questions
Can any stone worktop be used outdoors in the UK?
Not all of them, and the British climate is particularly unforgiving of the wrong choice. Porcelain is the safest option, with granite and well-selected quartzite also performing well. Quartz is not suitable outdoors because the resin binders are not UV stable and will discolour over time. Marble is too porous for the British climate and vulnerable to frost and acid rain.
Is an outdoor kitchen usable year-round in Surrey?
With the right covered structure, absolutely — far more of the year than most people initially expect. A pergola, garden room or covered outdoor structure makes an outdoor kitchen a genuine all-seasons space. The stone itself handles the climate; it's the cook who benefits from the cover. Without any kind of overhead structure, an outdoor kitchen tends to become a three-month feature rather than a twelve-month one.
What thickness should an outdoor stone worktop be?
We'd recommend 20mm as a minimum for outdoor use, and 30mm where the budget allows. Thicker slabs are more tolerant of any movement in the substrate beneath them, which is always greater outdoors than indoors as temperatures change across the seasons.
Does an outdoor stone worktop need sealing?
It depends on the material. Porcelain is completely non-porous and needs no sealing — which is one of the reasons we recommend it so readily for outdoor use. Granite needs sealing, and outdoors we'd suggest doing so twice a year rather than once. Quartzite also needs sealing. Neither quartz nor marble should be installed outdoors regardless of sealing.
Can Elliott Stone Works advise on outdoor kitchen design as well as the worktop itself?
We specialise in the stone fabrication and installation side, so the worktop, any cladding, and related stone surfaces. For the structural build itself, we're happy to share what we know from experience and point you toward the right people. We've worked alongside some excellent outdoor kitchen builders across Surrey and Sussex and are always glad to make introductions where it helps.
Thinking About an Outdoor Kitchen?
Whether you're at the early planning stage or ready to choose your material, we're happy to help. Elliott Stone Works are based in Cranleigh and supply and fit stone outdoor kitchen worktops across Surrey, Sussex, Hampshire and London.