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How Much Does Garden Decking Cost

How Much Does Garden Decking Cost Image

This article asks: how much does garden decking cost? Explore key elements influencing price, available materials, and advice to plan your decking project in the UK. 

Garden decking adds comfort and style to outdoor spaces. Before starting your project, it’s important to understand the key factors that affect the overall cost.

What Affects the Cost of Garden Decking?

The cost of a garden decking project can vary depending on a few important factors. One of the most significant is the size of the area to be decked. Larger areas require more boards, additional support materials, and extra time to complete. If your garden is sloped or uneven, installation becomes more complex and more expensive.

Groundwork also plays a role. If the garden needs to be cleared or levelled, this preparation adds to the overall cost. The height of the deck matters too. Raised decks often need extra framework and safety railings, all of which increase the cost. Labour is another factor. Doing the installation yourself might save money, but hiring a professional offers reliability and a high-quality finish.

Types of Decking Materials and Their Prices

The material you choose for your decking boards can have a huge impact on both the budget and how long your deck lasts. 

Softwood is a common and affordable choice that offers a natural appearance, although it does need regular treatment to prevent damage from moisture and pests. Hardwood, while more costly, offers excellent durability and a premium look, but it can be more difficult to install.

Composite decking is made from a mix of recycled wood and plastic. It’s very low maintenance and resists fading and splintering. 

PVC decking, which is all plastic, is also low maintenance and well-suited to damp weather. While composite and PVC options cost more upfront, their longevity and reduced upkeep may prove more cost-effective over time.

How Much Does Garden Decking Cost?

Average Cost of Garden Decking in the UK

For a medium-sized garden, around 20 square metres, the average cost of decking in the UK ranges from £1,000 to £3,000. 

A softwood deck installed by the homeowner may cost as little as £300 for materials alone. Hiring a professional for the same project could double or triple the expense, especially if the deck design is complex or the site needs preparation work.

Composite decking typically starts at a higher price point and with installation could fall between £2,000 and £3,000 or more. PVC decking tends to be in the same bracket. The final cost depends on the quality of the materials and the complexity of the job.

Average Cost of Garden Decking

DIY vs Hiring a Professional

Choosing to install your garden decking yourself can be a great way to save money if you have the time and tools. It gives you full control of the project and lets you work at your own pace. However, decking installation requires skill, especially when dealing with uneven ground or raised platforms.

Hiring a professional, while more expensive, can result in a higher quality finish and a faster installation. It also reduces the risk of mistakes that could lead to future repairs. The right choice will depend on your confidence in DIY tasks and the complexity of your garden layout.

How to Save Money on Garden Decking

If you’re looking to reduce the cost of your decking project, start by carefully measuring your garden area and designing the layout to avoid waste. Choosing softwood or cost-effective composite materials can help keep expenses down, provided you're prepared to maintain them properly.

You might also consider doing some of the early work yourself, such as clearing the area or laying the base. Getting multiple quotes from local installers can reveal the best prices and ensure you get good value. A thoughtful, well-planned approach can make it easier to find a balance between quality and budget for your garden decking.


Tony Malpass proudly supplies premium decking materials across Darwen, Blackburn, Bolton, and Preston. Whether you're building a small garden deck or planning a larger outdoor transformation, our high-quality timber and composite solutions are designed to last and are easy to maintain.