100mm Treated Fence Posts (4″x4″)


100mm square treated fence posts (4″ x 4″). Fence posts are incised and cut from softwood. Pressure treated for longer life.

Select between different lengths of posts for a price. Add to cart and view cart to calculate postage. See below for full description.



100mm Treated Fence PostsTanalith E Pressure treated timber

100mm square treated fence posts (4″ x 4″) are pressure treated.
Available in various lengths. Use the drop-down bar to select length and adjust quantity.

We recommend concreting posts into the ground at a depth of 600mm (2ft).

Our posts are cut from pine or larch specie softwoods and are pressure treated with tanalith E to ensure maximum life.

All other fencing components can be found in our fencing category.

Local Trade and DIY collections welcome from our trade counter in Swindon Wiltshire. View your basket for UK Delivery calculator.

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Shipping & Delivery


Lead times are subject to availability. Some products are manufactured to order and have advised lead times on product description. A confirmed delivery date will be emailed shortly after an order has been placed. Orders containing multiple products will be dispatched together.  

Estimated lead times are as follows:

  • Fencing Kits and components 1-3 weeks
  • Fence Panels 1-3 weeks
  • Garden Gates 1-2 week
  • Premium Gates 2-4 weeks
  • 5 bar Gates 1-4 weeks
  • Turned heel and Iroko Gates 4-7 weeks
  • Decking and Garden products 1-3 weeks
  • Fixings , Tools, Ironmongery 3-5 days
  • Framing and Cladding 2-3 weeks.

Special lead times on specific products will be stated on product description.



You are welcome to visit us, to collect or discuss any of our products. If collecting an order, please wait until you have received an email to confirm that your order is ready.  

How much is delivery?

Delivery cost can be calculated on our website. Add products to the basket. View basket. Click on 'calculate postage' button. Enter full postcode. The price will update if you add or remove products from the basket.