Outdoor Flooring Buying Guide: Choosing Paving for UK Gardens

A practical UK guide to choosing outdoor flooring, including sandstone, porcelain, granite, limestone and slate paving for patios, paths and garden projects.

By JJ Building Materials
9 min read


Outdoor Flooring Buying Guide: Choosing Paving for UK Gardens

Choosing outdoor flooring is one of the biggest decisions in a patio, path or garden renovation because the material affects the look of the space, how it feels underfoot, the preparation required and the amount of maintenance you may need later. A good choice should suit the property, the way the area will be used and the practical conditions on site rather than simply looking attractive in a sample image.

At JJ Building Materials, our outdoor flooring range brings together paving options for different garden styles and project requirements. This guide explains the main materials to consider, how to compare them and what to check before ordering so you can make a more confident decision.

What counts as outdoor flooring?

For most domestic landscaping projects, outdoor flooring means the hard surface used to create patios, terraces, paths, seating areas and other usable garden spaces. Paving slabs are a common choice because they create a defined, durable surface and are available in natural stone and manufactured materials. The right paving can connect the house to the garden, make furniture easier to position and give frequently used areas a cleaner, more practical finish.

JJ Building Materials lists several important paving categories, including sandstone paving, porcelain paving, granite, limestone and slate options. Each has a different appearance and character, so it is worth comparing more than colour alone.

Start with how the space will be used

Before comparing materials, decide what the finished area needs to do. A small decorative path has different priorities from a large family patio that will hold dining furniture, a barbecue and regular foot traffic. Think about access from the house, where water naturally travels, whether children or pets use the area, how much shade it receives and how often you are prepared to clean or maintain the surface.

For a dining terrace, consistency and ease of furniture placement may be particularly important. For a traditional garden, natural variation may be part of the appeal. For a contemporary extension, a more controlled finish and cleaner joint layout may suit the architecture better. Making these decisions first helps narrow the choice rather than trying to select from every paving style at once.

Sandstone paving

Sandstone is popular for garden paving because of its natural character. Individual slabs can show variations in tone, pattern and texture, helping a patio feel established rather than overly uniform. It can work especially well with brick homes, planting-heavy gardens and traditional landscaping schemes.

When comparing sandstone, look at the colour blend across a complete project rather than judging a single slab. Natural stone variation means the finished patio can include lighter and darker pieces. A sensible laying approach is to open and mix material from different packs where appropriate so the variation is distributed across the area.

Buyers should also think about joint style, laying pattern, edging and the colour of surrounding walls or brickwork. These details can change how the same paving looks once installed. Browse the sandstone paving range to compare current options.

Porcelain paving

Porcelain paving is often chosen for modern garden schemes where a more consistent appearance is wanted. Its manufactured nature can provide a controlled look that works well with contemporary extensions, rendered walls, outdoor kitchens and simple planting designs. Large-format layouts can make a compact patio feel visually calmer because there are fewer changes in tone and pattern.

Porcelain should not be treated exactly like natural stone during installation. The preparation, bonding method and cutting approach need to suit the product. Always check the individual product information and follow the appropriate installation guidance rather than assuming that the method used for one paving material applies to another.

Colour is also important. Pale finishes can brighten shaded areas, while mid and darker tones can create a stronger contrast with light walls and furniture. View the porcelain paving collection for the products currently listed by JJ Building Materials.

Granite paving

Granite can create a crisp, substantial finish and is worth considering for patios, paths and structured landscaping. JJ Building Materials lists Premium 20mm Granite Paving Slabs, offered in formats including 600 x 300mm, 600 x 600mm and 600 x 900mm. Different sizes can be used to create a simple regular layout or a more varied design depending on the project.

When considering granite, look beyond the material name and check the finish and dimensions of the exact product. Surface treatment influences appearance and feel, while slab size affects the number of joints and the visual scale of the finished area. A larger slab can suit broad open spaces, whereas smaller formats may be easier to plan around narrower paths or detailed layouts.

Limestone paving

Limestone can suit buyers looking for natural stone with a distinctive, often understated appearance. As with other natural materials, colour and surface variation are part of the character rather than defects to be eliminated. It can work with both traditional and more restrained modern garden designs depending on the selected tone, laying pattern and surrounding materials.

Before ordering limestone, compare the actual product specification, pack information and recommended use. Consider how the chosen colour will work when the paving is dry and wet, and remember that garden lighting, shade and nearby planting can all affect how the finished surface appears.

Slate paving

Slate is another natural option that can bring strong texture and tonal depth to an outdoor space. It can be particularly effective where the garden design uses contrasting materials such as timber, pale render or planted borders. Because natural stone can vary, it is important to expect differences between pieces and plan the layout with that in mind.

As with any paving, suitability depends on the exact product and intended application. Check dimensions, finish and product guidance before buying, especially where the area has unusual loading, drainage or installation requirements.

Natural stone or porcelain: which should you choose?

The decision is less about one material being universally better and more about the result you want. Natural stone appeals to buyers who value variation and an organic appearance. Porcelain can appeal to buyers who prefer greater visual consistency and a contemporary look. Installation requirements also differ, so the skills and materials needed for the job should be part of the buying decision.

If you are comparing several categories, order with the whole project in mind. Think about wall colours, garden furniture, fencing, planting and the view from inside the house. A paving colour that looks right on its own may feel different when placed next to existing brickwork or a dark bifold-door frame.

Choosing paving colour

Colour changes the atmosphere of an outdoor area. Lighter paving can help a shaded or enclosed garden feel brighter. Mid-tone stone is often versatile because it can sit comfortably beside brick, timber and greenery. Darker paving can produce a dramatic contemporary effect but may create a stronger visual contrast with dust, debris or pale marks.

Do not rely solely on a phone or computer screen when colour matching is critical. Lighting and display settings can alter how a product appears. Where possible, use product information and samples or physical viewing opportunities to support the final decision.

Choosing slab size and layout

Slab dimensions influence both appearance and installation. Large slabs can make broad patios feel clean and uncluttered, while smaller units can be useful for paths, borders and detailed areas. Mixed-size layouts can give natural stone a more traditional character. Regular single-size layouts tend to look more contemporary.

Plan the layout before ordering. Measure the area, mark fixed features such as drains and steps, and consider where cut pieces are likely to fall. A little planning can avoid awkward narrow cuts along the most visible edges. It also helps determine whether the selected slab format suits the actual dimensions of the patio.

Measure the area accurately

For a simple rectangle, multiply length by width to calculate square metres. Divide irregular spaces into smaller rectangles, calculate each one and add the results together. Do not automatically order the exact measured area. Cutting, breakage, layout choices and future repairs can all require extra material.

The appropriate allowance depends on the paving format and project complexity. Straightforward layouts may need less additional material than diagonal patterns, irregular spaces or projects with many cuts. Check pack coverage for the exact product and discuss uncertain measurements with your installer before placing a large order.

Think about levels and drainage before buying

A successful patio starts below the visible paving. Existing ground levels, thresholds, drainage points and the direction of surface water all need consideration. The finished surface should be planned so water is managed appropriately and does not create avoidable problems around the building or garden.

Do not choose a paving thickness or installation build-up in isolation. The available depth between the ground and finished level can affect excavation and preparation. If the project sits close to doors, walls, drainage channels or steps, establish the intended finished levels before ordering materials.

Sub-base and preparation matter

Attractive paving cannot compensate for poor groundwork. The base needs to be appropriate for the site, expected use and paving system. Soft spots, inadequate compaction or unsuitable bedding can contribute to movement and an uneven finished surface. The correct preparation varies by project, so use competent installation guidance and the requirements of the chosen paving.

For renovation projects, do not assume the existing patio is automatically a suitable base for a new surface. Its condition, stability, levels and drainage need assessment first.

Plan joints, edges and transitions

Joint width and jointing material affect the final appearance as well as the practical finish. Edge restraint is also important because the perimeter helps define and support the paved area. Think about transitions to lawn, gravel, steps, doorways and adjoining paths before laying begins.

These details are easier to solve on a plan than halfway through installation. If different paving sizes or materials meet, decide how they will align and whether a border or contrasting course will create a cleaner transition.

Check delivery and access

Paving is heavy and delivery access can influence how smoothly the project starts. Consider where the order can be safely delivered, how far the slabs need to be moved to the working area and whether access is restricted. Do not schedule installation so tightly that there is no time to check the delivered material before work begins.

On arrival, inspect the order against the products and quantities expected. Natural stone should be viewed as a collection of pieces rather than expecting every slab to be identical. Store material sensibly and protect it from unnecessary damage before installation.

Common outdoor flooring buying mistakes

  • Choosing purely by colour without checking material, finish or dimensions.
  • Ordering exactly the measured square metres with no allowance for cuts or breakage.
  • Ignoring drainage and finished levels until installation starts.
  • Assuming all paving materials use the same installation method.
  • Failing to mix natural stone appropriately across the laid area.
  • Forgetting to plan edges, steps, thresholds and transitions.
  • Buying before checking access and delivery arrangements.
  • Not keeping product information for future maintenance or repair decisions.

How to make the final choice

Shortlist two or three materials that suit the look of the property, then compare practical details: available sizes, expected variation, installation requirements, maintenance preferences and the complexity of your layout. Next, calculate the area carefully and check pack coverage. Finally, make sure the ground preparation, levels and drainage plan are understood before the paving arrives.

This approach prevents the buying decision from becoming a simple colour comparison. Outdoor flooring is a complete system involving the visible paving, the supporting build-up and the way the finished area connects to the rest of the garden.

Outdoor flooring FAQs

What is the best outdoor flooring for a UK patio?

There is no single best material for every patio. Sandstone, porcelain, granite, limestone and slate can all suit different projects. The best choice depends on the appearance you want, the exact product specification, the site, installation method and maintenance preference.

Is porcelain better than natural stone?

Not automatically. Porcelain is often chosen for a consistent contemporary look, while natural stone is valued for individual variation and character. Compare the exact products and installation requirements rather than choosing from the material name alone.

How much paving should I order?

Measure the total area in square metres, check the coverage of the exact pack and allow for cuts, breakage and layout. The appropriate extra amount varies with the shape and complexity of the project, so confirm difficult layouts before ordering.

Can I lay new paving over an old patio?

That depends on the condition, stability, levels and drainage of the existing surface and on the requirements of the new paving system. It should be assessed rather than assumed to be suitable.

Should natural stone paving all look the same?

No. Variation in colour, tone and texture is a normal part of natural stone and contributes to its appearance. Plan the layout across the whole area rather than concentrating similar pieces in one place.

What should I check before ordering?

Confirm the material, finish, dimensions, pack coverage, quantity, installation requirements, delivery access and planned finished levels. Also make sure the paving suits the intended use of the space.

Ready to compare outdoor flooring?

Explore the current JJ Building Materials range and compare paving materials, formats and finishes for your garden project.

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