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Discover the costs associated with installing composite decking, including materials, labour, and additional factors, when making an informed decision for your outdoor space.


Composite decking has become an increasingly popular choice for homeowners looking to enhance their outdoor living spaces. Composite decking offers many benefits because it is known for its durability, low maintenance, and aesthetic appeal. However, understanding the costs involved in its installation is crucial for effectively budgeting and planning your project. At Alu Installations, we provide detailed insights into the factors influencing the price of composite decking to help you make an informed decision.

What is Composite Decking?

Composite decking is a modern alternative to traditional wood decking. It is made from a blend of wood fibres and plastic. This combination creates a robust and durable material that can withstand the elements and requires less maintenance than natural wood. Composite decking comes in various colours and finishes, allowing homeowners to achieve the look of wood without the drawbacks.

Benefits of Composite Decking

One of the main advantages of composite decking is its durability and longevity. Unlike wood, composite decking does not splinter, warp, or rot, making it a long-lasting option for outdoor spaces. It is also low maintenance, requiring occasional cleaning to keep it looking new. The aesthetic appeal of composite decking is another significant benefit. It offers a sleek, modern look that can enhance the overall appearance of your home.

Factors Affecting the Cost of Composite Decking Installation

Several factors influence the cost of installing composite decking. The size of the deck is one of the most significant determinants. Larger decks require more materials and labour, increasing the overall cost. The quality and type of composite material chosen also impact the price. Higher-end materials are more expensive but offer greater durability and a more refined look. The complexity of the deck design can add to the cost as well. Intricate designs, multiple levels, and custom features require more labour and materials. Labour costs vary depending on the region and the expertise of the installers. Additional features like built-in lighting, railings, and seating can increase costs.

Cost Breakdown of Composite Decking Installation

Understanding the cost breakdown can help you budget more effectively. Materials are typically the largest expense, with prices varying based on the quality and brand of composite decking. Labour costs are:

  • The next significant expense.
  • Covering the work involved in designing.
  • Preparing the site.
  • Installing the deck.

Additional costs may include permits, site preparation, and any extra features or accessories you add to your deck.

Comparing Composite Decking to Other Decking Materials

When comparing composite decking to other materials, it’s essential to consider both the initial and long-term costs. While wood decking might have a lower upfront cost, it requires regular maintenance, including staining and sealing, which adds to its long-term expenses. PVC decking is another alternative, often more expensive than composite decking but with similar low-maintenance benefits. Composite decking offers better long-term value due to its durability and minimal upkeep.

How to Choose the Right Composite Decking for Your Budget

Choosing the right composite decking involves assessing your needs and preferences. Consider how much you will spend and what features are most important. Exploring different brands and products can help you find the best fit for your budget and aesthetic goals. Consulting with professionals can provide valuable insights and recommendations tailored to your specific project.

Steps to Ensure a Successful Installation

Careful planning and design are essential to ensure a successful composite decking installation. Start by developing a detailed plan that outlines your deck’s size, shape, and features. Hiring experienced installers can make a significant difference in the quality and longevity of your deck. Post-installation maintenance, although minimal for composite decking, should still be part of your plan to keep your deck looking its best.

Common Questions About Composite Decking Costs

Many homeowners wonder about the average cost per square meter of composite decking. Prices vary widely based on materials and labour but generally range from £100 to £200 per square meter. Another common question is the longevity of composite decking. High-quality composite decks can last 25 to 30 years or more. Homeowners should also be aware of hidden costs, such as permits or site preparation, which can add to the overall expense.


Understanding the cost of installing composite decking is crucial for planning your project. Composite decking offers numerous benefits, including durability, low maintenance, and aesthetic appeal, making it a valuable addition to any home. By considering the factors that influence cost and choosing the right materials and professionals, you can create a beautiful, long-lasting outdoor space that enhances your property. At Alu Installations, we are committed to helping you achieve your decking goals with high-quality products and expert installation services.

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