Timber decking has been the default choice for UK gardens for decades. Composite decking has grown significantly in popularity over the past ten years. If you are planning a new deck, you will likely be weighing up both options. This guide cuts through the noise and gives you a straightforward comparison.
Upfront cost
Pressure-treated softwood remains cheaper to buy upfront than composite. However, the true cost of timber decking includes annual treatments, staining, sanding and eventual replacement. Composite boards carry a higher initial price but require very little ongoing spend.
Over a ten-year period, composite decking typically costs less in total once maintenance is factored in. NeoTimber boards from Grainex carry a 25-year residential warranty, meaning you buy once and benefit for decades.
Maintenance
Timber decking needs cleaning, re-oiling or re-staining every one to two years to prevent splitting, warping and discolouration. Miss a season and the boards quickly deteriorate.
Composite decking needs an occasional wash with soapy water and a stiff brush. There is no sanding, no staining and no sealing required. The Deluxe capped board has a protective polymer shell that resists stains, scratches and moisture with minimal upkeep.
Durability and lifespan
Even treated timber is vulnerable to rot, mould and insect damage in the UK climate. Most softwood decks last 10 to 15 years before replacement is needed. Hardwood lasts longer but costs considerably more.
Quality composite boards resist rot, mould and splitting. They will not warp in wet weather or crack in frost. The Classic and Advanced boards are suitable for heavy domestic use and commercial applications.
Appearance
Modern composite decking looks very close to natural wood. Deep grain textures and varied colour tones mean most visitors will not notice the difference. Grainex stocks boards in eight colours including realistic wood tones such as Teak, Oak and Antique.
Eco credentials
NeoTimber composite boards are made from recycled wood fibre and recycled plastic. No new timber is felled in their production. For an environmentally conscious build, composite is the stronger choice.
Verdict
For most UK homeowners who want a low-maintenance, long-lasting deck, composite is the better option. The higher upfront cost is offset by reduced maintenance spend and a much longer lifespan. Browse the Grainex composite decking range to find the right grade for your project.
What is the best composite decking for a family garden?
The Deluxe board is our most popular choice for family gardens. Its capped surface resists scratches and stains, making it suitable for high-traffic use with children and pets.
Is composite decking slippery when wet?
NeoTimber boards have a brushed grain surface that provides good traction in wet conditions. Anti-slip strips are also available for added confidence around pools or on steep decks.