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Decking

Decking is one of the easiest ways to create a functional and stylish outdoor living space. Whether you’re building a raised platform, extending your patio, or upgrading your garden, our range of decking boards and composite decking offers durable, long-lasting solutions for every project.

At Howarth Timber, we supply both timber and composite decking suitable for trade professionals and DIY customers, with a wide choice of sizes, finishes, and styles.

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  • Hunter%20Anthracite%20Grooved.png Hunter%20-%20Anthracite%20_%2027%20Super%20Luxury.jpg.jpeg

    Piranha Hunter Composite Decking Boards Anthracite 136 x 25 x 3600mm

    Transform your outdoor space with Piranha Hunter Composite Decking Boards in Anthracite. These boards offer a sleek, modern aesthetic with their ultra-dark grey finish, perfect for achieving a clean and sophisticated look in any garden setting. Whether...
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    Piranha Hunter Composite Decking Boards Mid Grey 136 x 25 x 3600mm

    The Hunter decking range from Piranha is available in Mid Grey a light and airy shade of mid grey composite decking. This colour is perfect for those looking to achieve a contemporary landscaping style that will stay on-trend for years to come. owarth...
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    Piranha Hunter Composite Decking Boards Brown 136 x 25 x 3600mm

    For a traditional feel, Hunter is available as Brown composite decking. This product is the ideal solution for homeowners who wish to have the aesthetics of natural brown wood, with all of the low maintenance properties of composite decking. owarth offer...
  • Special Offer
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    Special Offer

    Talasey Hunter Composite Decking Boards Mid Grey 136 x 25 x 3600mm

    Our Hunter decking range is available in Mid Grey, a light and airy shade of composite decking. This colour is ideal for those aiming for a contemporary landscaping style that remains timeless. Matching edging, fascia pieces, and fixing clips and screws...
  • Special Offer
    Hunter%20Brown%20Grooved.png Hunter%20-%20Brown.jpg.jpeg
    Special Offer

    Talasey Hunter Composite Decking Boards Brown 136 x 25 x 3600mm

    For a classic look, Hunter is available in a rich Brown composite decking. Perfect for homeowners seeking the appearance of natural wood, while enjoying the low-maintenance benefits of composite material. Matching edging, fascia pieces, and fixing clips...
  • Special Offer
    Hunter%20Anthracite%20Grooved%20.png Hunter%20-%20Anthracite%20_%2027%20Super%20Luxury.jpg.jpeg
    Special Offer

    Talasey Hunter Composite Decking Boards Anthracite 136 x 25 x 3600mm

    Our Anthracite composite decking offers an impressive dark grey shade, finished with an ultra-dark tone, ideal for achieving a sleek, modern aesthetic. Matching edging, fascia pieces, and fixing clips and screws are also available to complete the look...

Transform your garden with quality decking

Timber decking boards

Timber decking provides a traditional, natural look and is a cost-effective choice for many garden projects. Our treated timber decking boards are designed to resist rot and decay, making them ideal for outdoor use.

Composite decking

Composite decking is a low-maintenance alternative that offers long-term durability. Resistant to weathering, fading, and warping, it’s perfect for modern outdoor spaces.

Decking kits & components

Complete your project with:

Choosing the right decking

When selecting decking, consider:

  • Material – Timber for a natural finish, composite for low maintenance
  • Durability – Treated timber lasts longer outdoors
  • Style – Grooved boards for grip, smooth for a modern look
  • Project type – Raised decks, patios, or garden seating areas

Complete your decking project

Make sure you have everything you need:

If you are working on a new project or renovating an existing outdoor space, pop into your local Howarth branch or browse our website. We also offer Click & Collect and Delivery options.


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Frequently Asked Questions

What timber do I need for decking?
Pressure-treated timber is one of the best options for decking frames because of its affordability.
How many deck boards do I need?
You'll need to calculate the area of the deck in m2 to figure out how many deck boards you'll need. To do this, multiply your deck's length by its width. For example: The length of your deck will be 5 metres, and the width will be 4 metres. 5 x 4 = 20, so the total area of your deck will be 20m2. Then you'll need to figure out how big a single board is. You must double the board's length by its width to achieve this. Finally, divide the deck's area by the area of the deck to figure how much decking you'll need to build your new deck.
What size wood for decking frame?
The most used joist sizes for decking are 2x6, 2x8, 2x10.
Do you need planning permission for decking?
You may need planning permission for decking if it covers more than fifty percent of your garden or is installed more than 30cm off the ground.
What is the best decking material?
Timber decking is affordable and traditional, while composite decking offers long-term durability with minimal maintenance.
How long does decking last?
Treated timber decking can last 10–15 years, while composite decking can last 20+ years.
Do I need treated timber for decking?
Yes, treated timber is recommended as it provides protection against moisture, rot, and insects.

How to guides


Decking - An Ultimate Guide

A helpful article with all the answers to the most frequently asked questions regarding both regular and composite decking in one place!


How to build a raised deck

Need help building a raised deck? We've got you covered with a full step by step guide.

Customer inspiration