Artificial grass vs paving: which is better for a garden?

Artificial grass and paving solve different problems, so the better choice depends on the role of the area. Here is how they compare across the factors that matter, and where each one fits best.

Cost, install and lifespan

Both surfaces need similar groundwork: excavation, a compacted aggregate sub-base and a level laying course. That groundwork is a big part of the cost, so the gap between the two often comes down to the surface material and labour rather than the prep. Quality paving and quality artificial grass can land in a broadly similar bracket once installed, though budget options of either are cheaper.

Where they differ sharply is lifespan. Good paving lasts for decades with little more than occasional cleaning and the odd re-pointing. Artificial grass has a finite life of roughly 10 to 20 years before the fibres flatten, fade or wear and it needs replacing. Over the very long term, paving tends to be the more durable investment, while grass will face at least one replacement cycle.

Indicative comparison for a UK garden. Sources: RHS, Checkatrade.

Drainage, comfort and safety

Drainage works differently for each. Artificial grass has a permeable backing and relies on the aggregate base beneath to let water soak away; laid correctly it drains well. Paving sheds water across its surface and needs a slight fall to a drain or border, or permeable jointing, to avoid pooling. Solid impermeable paving over a large area can increase surface run-off, which matters for planning and flooding.

For comfort and safety, grass is softer underfoot and kinder for children falling over, which is why play areas favour it. Paving is hard and can become slippery with rain, algae or moss, so it needs the right finish and occasional cleaning where it is walked on. In summer, both can get warm in full sun — artificial grass fibres can become hot to touch, and dark paving absorbs heat too.

Which surface suits which area

Paving is the natural choice for areas that take furniture, foot traffic and weight: the patio, the dining and seating zone, paths, the area around a shed or bins, and anywhere a barbecue or hot tub sits. It is stable, takes the load and is easy to keep clean.

Artificial grass suits the part of the garden you want to look like a lawn and use softly: children's play, a green outlook from the house, and spaces where a hard surface would feel cold or harsh. Rather than treating it as an either/or decision, most well-planned gardens zone the space — paving where you sit and walk, artificial grass where you want softness and greenery — combining the strengths of both.

Appearance, upkeep and changing your mind

The two surfaces age in different ways, which is worth thinking about before committing a large area to either. Paving weathers gradually: it can stain, gather moss in shaded damp spots and need occasional cleaning, re-pointing or the odd slab relaid if the ground moves, but it does not have a fixed end date and can look characterful as it ages. Artificial grass keeps a uniform appearance until, fairly suddenly, it reaches the end of its life and the whole surface needs replacing. Neither is high-maintenance, but the patterns of upkeep are quite different — a periodic clean for paving, occasional brushing and rinsing for grass.

Flexibility is another consideration. Paving is a permanent, heavy commitment; lifting and changing it is a significant job. Artificial grass is also bedded on a base, but it is generally easier to lift, alter or replace than a paved area, so it is the less irreversible of the two if your needs change. That said, both involve real groundwork, so neither is a casual, easily reversed decision.

For most gardens the sensible conclusion is not to choose one surface for everything, but to plan the layout around how each part of the garden is used. Hard, durable paving where you sit, dine, walk and store things; soft, green artificial grass where children play and where you want the lawn-like outlook. Mapping the space this way before any work begins usually produces a better result than defaulting to a single surface across the whole garden, and it lets each material do what it does best.

It is also worth thinking about how the two surfaces meet where they adjoin. A neat transition — an edging strip, a row of bricks or a timber or metal edge between paving and grass — keeps both looking tidy, stops the grass edge lifting and prevents the paving creeping into the lawn. Getting that detail right at the planning stage is far easier than retrofitting it, and it makes a combined garden of paving and artificial grass look deliberate and finished rather than as though two separate jobs have been butted together.

In short, neither surface is universally better, because they are designed for different jobs. Paving is the hard, permanent, weight-bearing choice for seating, dining, paths and storage; artificial grass is the soft, green, comfortable choice for play and the lawn-like outlook. The best result for most gardens comes from using both, zoned by use and joined with a clean edge, so each material is laid where it performs best. Decide by mapping how you actually use each part of the garden, and let that steer where the paving ends and the grass begins.

Frequently asked questions

Sources & further reading

• RHS — paths, paving and patios
• Checkatrade — patio and paving cost guides

Figures on this page are typical UK ranges drawn from published cost guides and are intended as guidance, not a quotation.