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100mm (4") Treated Posts - Dorchester, Dorset

Secure your garden or property with our high-quality 100mm Treated Posts. Ideal for all fencing projects, from privacy and boundary marking to enhanced security, our posts are durable, reliable, and easy to install.

At Dorchester Timber, we offer free local delivery across Dorchester, Weymouth, Portland, Bridport, Sherborne, Blandford, Beaminster, and surrounding Dorset areas. Whether for DIY projects or professional installations, our fence posts provide the strength and stability your fence need

4" FENCING POSTS

  • Sale! 4x4_Sawn_Treated_Post_1.8_Dorchester_Weymouth_Bridport_Blandford
    Fencing

    Sawn Fence Posts – 100 x 100mm (4″) 2400mm (8′)

     From £15.36£18.43
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    This product has multiple variants. The options may be chosen on the product page
  • 4x4_Sawn_Treated_Post_1.8_Dorchester_Weymouth_Bridport_Blandford
    Fencing

    Sawn Fence Posts – 100 x 100mm (4″) 1800mm (6′)

     £16.26£19.51
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  • Round Pole - 100 x 100mm (4") 3.6m (Fully Treated)
    Fencing

    Round Pole – 100 x 100mm (4″) 3.6m (Fully Treated)

     £19.20£23.04
    Add to cart
  • Fence Posts - 92 x 92mm (4") 1800mm (6') (Easi Edge)
    Posts & Rails

    Fence Posts – 92 x 92mm (4″) 1800mm (6′) (Easi Edge)

     £19.75£23.70
    Add to cart
  • Fence Posts - 92 x 92mm (4") 2400mm (8') (Easi Edge)
    Fencing

    Fence Posts – 92 x 92mm (4″) 2400mm (8′) (Easi Edge)

     £24.40£29.28
    Add to cart
  • 4x4_Sawn_Treated_Post_1.8_Dorchester_Weymouth_Bridport_Blandford
    Fencing

    Sawn Fence Posts – 100 x 100mm (4″) 3000mm (10′)

     £24.40£29.28
    Add to cart
  • Green Oak Post - 99 x 99mm (4") 2400mm (8')
    Posts & Rails

    Green Oak Post – 99 x 99mm (4″) 2400mm (8′)

     £27.87£33.44
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  • Fence Posts - 92 x 92mm (4") 3000mm (10') (Easi Edge)
    Fencing

    Fence Posts – 92 x 92mm (4″) 3000mm (10′) (Easi Edge)

     £30.21£36.25
    Add to cart
  • 4x4_Sawn_Treated_Post_1.8_Dorchester_Weymouth_Bridport_Blandford
    Fencing

    Sawn Treated 100 x 100mm (4″ x 4″) 4.8m

     £41.58£49.90
    Add to cart
  • Sawn Treated (Easi Edge) 90 x 90mm (4" x 4") 4.8m
    Fencing

    Sawn Treated (Easi Edge) 90 x 90mm (4″ x 4″) 4.8m

     £46.58£55.90
    Add to cart

4 " POST CAPS & FIXINGS

  • Timber Fence Post Cap - 100mm for 75mm Post
    Fencing

    Timber Fence Post Cap – 100mm for 75mm Post

     £2.05£2.46
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  • Timber Fence Post Cap - 125mm for 100mm Post
    Fencing

    Timber Fence Post Cap – 125mm for 100mm Post

     £2.16£2.59
    Add to cart
  • 100mm Galvanised Post Cap
    Fencing

    100mm Galvanised Post Cap

     £2.39£2.87
    Add to cart
  • Postsaver - 100mm (4") Post Rot Protector
    Fencing

    Postsaver – 100mm (4″) Post Rot Protector

     £3.60£4.32
    Add to cart
  • Sale! Postcrete - Carlton Rapid Set Post Concrete 20kg - BULK & COLLECTION DEALS
    Fencing

    Postcrete – Carlton Rapid Set Post Concrete 20kg – BULK & COLLECTION DEALS

     From £4.67£5.60
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    This product has multiple variants. The options may be chosen on the product page
  • 92mm Bolt Grip Fence Post Support to Boltdown - Galvanised
    Fencing

    92mm Bolt Grip Fence Post Support to Boltdown – Galvanised

     £15.83£19.00
    Add to cart
  • 100mm 4" x 4" - Bolt Grip Drive-In Post Support - 600mm Galvanised Spike
    Fencing

    100mm 4″ x 4″ – Bolt Grip Drive-In Post Support – 600mm Galvanised Spike

     £30.79£36.95
    Add to cart

important information

CHRISTMAS SHUTDOWN

🎁 We’re closing at 12 noon on Monday, 23rd December.

🎄 We’ll be back  at 7 AM on Thursday, 2nd January 2025.

During this period, orders can still be placed; however, they will not be processed until we return on January 2nd.