Hardwood vs softwood timber decking?

If you've decided on real timber rather than composite, the next choice is hardwood or softwood. They differ in price, durability and character, and this page sets them side by side.

What sets them apart

The terms describe the tree, not just the feel. Softwoods come from fast-growing conifers like pine, spruce and larch; they're lighter, cheaper and easier to cut and fix, but most need pressure-treatment with preservative to survive outdoors. Hardwoods come from slower-growing broadleaf trees such as oak, balau, iroko and ipe; they're denser, heavier and naturally far more resistant to rot, insects and wear, which is why many need no chemical treatment to last. That density is a double edge — it makes hardwood durable but also harder to drill and fix, slower to install and more expensive both in material and labour. The result is two genuinely different propositions: an affordable, workable softwood deck that leans on treatment and maintenance, or a premium hardwood deck that relies on the timber's own durability.

Hardwood vs softwood side by side

The table is a broad guide. Treat costs as supplied board ranges that vary with species, grade, section and supplier.

Indicative supplied ranges for guidance only. Sources: Checkatrade and HomeOwners Alliance decking cost guides.

Cost and value over time

Softwood is the clear winner on upfront cost — often less than half the board price of hardwood, and quicker to fit, so the labour is lower too. That makes it the default for budget projects and large areas. Hardwood's higher price buys durability and longevity: because it resists rot and wear naturally, it tends to need less intervention to survive, and a quality hardwood deck can outlast two or more softwood decks. Over a long horizon the gap in lifetime cost narrows, especially if a softwood deck would otherwise be replaced after 12–15 years. That said, both still need maintenance to look good, and a neglected hardwood deck will still grey and weather. The honest position: softwood for the lowest spend now, hardwood when you want the deck to last and don't mind paying more once.

Looks, feel and ageing

Appearance often tips the decision. Softwood has a lighter colour with more visible knots and a coarser grain; it takes stain well, so you can darken or colour it, but left untreated it weathers to grey relatively quickly and can splinter as it ages. Hardwood shows a denser, finer grain and richer natural tones — warm browns, reds and golds depending on species — that many people find more handsome, and the surface is harder so it resists scuffs and dents better. Untreated hardwood also silvers over time but tends to do so more gracefully. Underfoot, hardwood feels solid and premium, while softwood feels lighter. If the natural look of the timber is a big part of why you want a wood deck, hardwood usually delivers a finer result; if you intend to stain a strong colour anyway, softwood may be all you need.

Maintenance and durability in UK weather

Neither timber is truly fit-and-forget in the British climate. Softwood needs the most attention: even pressure-treated boards benefit from an annual clean and a coat of decking oil or stain to slow water ingress, splitting and rot, and the cut ends and fixing points are the first to fail if water gets in. Hardwood is far more forgiving thanks to its density and natural oils, but it still benefits from periodic oiling if you want to keep its colour rather than let it silver, and it can develop surface checking in sun and rain cycles. For both, the installation matters as much as the species — good drainage, a ventilated sub-frame, correct board gaps and treated end-cuts hugely affect how long the deck lasts. Get those right and softwood performs respectably; get them wrong and even hardwood will struggle.

Fitting and working with each

The density difference shows up during construction. Softwood is light and easy to cut, drill and screw, so it goes down quickly and most fitters handle it confidently, which keeps labour costs down — but its softness means it dents and scuffs more readily once in use, and screw heads can pull through if over-driven. Hardwood is heavy and hard, so it's slower to work: holes usually need pre-drilling to avoid splitting, fixings must be corrosion-resistant to suit the timber's natural acids, and the extra weight makes handling and transport harder. Many hardwood decks use hidden or secret fixings for a cleaner finish, which adds time. None of this is a barrier, but it explains why hardwood costs more to install as well as to buy, and why it pays to use a fitter experienced with dense timbers. For both, treating cut ends and following correct joist spacing are what give the deck its full life.

Sustainability and sourcing

Where the timber comes from matters environmentally and is worth checking for both. Softwood is fast-growing and usually sourced from managed European or UK forests, making it a renewable, lower-impact material, though it relies on chemical pressure-treatment and regular oils to last. Hardwood includes both temperate species like oak and tropical species like balau, iroko and ipe; some tropical hardwoods carry deforestation and sustainability concerns, so it's important to choose stock certified by FSC or PEFC, which shows it came from responsibly managed forests. Certified hardwood gives you the durability benefits without the ethical worry, while uncertified tropical timber is best avoided. Hardwood's long life also offsets its higher impact per board, since it needs replacing far less often than softwood. Whichever you choose, asking your supplier for certification is a simple step that improves the deck's environmental credentials.

Which should you choose

Pick softwood if budget is the priority, you're covering a large area, you're happy to oil or stain it each year, or you plan to colour it with stain anyway. Pick hardwood if you want the longest-lasting timber deck, prefer a richer natural grain, want better resistance to rot and wear, and can absorb the higher material and labour cost. If you like the idea of natural wood but want minimal upkeep, it's also worth weighing composite as a third option. For a pure timber decision, the rule of thumb is simple: softwood to spend less now and maintain; hardwood to spend more once and worry less.

Frequently asked questions

Sources & further reading

• HomeOwners Alliance — decking guidance
• Checkatrade — decking cost guide

Figures on this page are typical UK ranges drawn from published sources and depend on your specific garden. They are guidance, not a quotation.