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Treated Timber Fencing | Fence Posts, Rails & Boards

Browse our range of treated timber fencing supplies, designed for strength, durability, and long-lasting outdoor performance. Whether you're building a new garden fence or replacing old panels, we stock pressure-treated timber that's ready to withstand the elements.

✅ UC3 & UC4 treated timber for above & below ground use
✅ Fence posts, arris rails, gravel boards & feather edge boards
✅ Ideal for closeboard, panel fencing & agricultural use
✅ Available in various lengths, thicknesses & profiles
✅ Responsibly sourced timber with nationwide delivery

Perfect for garden fences, boundary fencing, and landscaping projects. Trusted by fencing contractors, landscapers, and DIYers across the UK.

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100mm x 19mm (4"x3/4") Square sawn, fencing slat/board

£1.02 - £5.42
£1.02 - £5.42
£1.02
£0.92 - £4.80
£0.92 - £4.80
£0.92
In stock

100mm x 19mm (4"x3/4") Square Sawn Fencing Slat/Board Enhance the appeal and security of your outdoor space with our 100mm x 19mm square s...

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£1.02 - £5.42
£1.02 - £5.42
£1.02
£0.92 - £4.80
£0.92 - £4.80
£0.92
Save up to 11% Save %
Save up to 21% Save %

4.8m & 3.6m x 75mm x 38mm (3"x 1.5") Standard fence rail

£5.99 - £8.14
£5.99 - £8.14
£5.99
£4.80 - £6.41
£4.80 - £6.41
£4.80
In stock

75mm x 38mm standard fence rails @ Various lengths, pressure treated green, Square sawn. Used for the construction of slatted fencing. 3.6m, 4.8m l...

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£5.99 - £8.14
£5.99 - £8.14
£5.99
£4.80 - £6.41
£4.80 - £6.41
£4.80
Save up to 21% Save %
Save up to 19% Save %

100mm x 100mm (4"x4") square sawn Fence posts

£10.92 - £22.86
£10.92 - £22.86
£10.92
£7.32 - £18.60
£7.32 - £18.60
£7.32
In stock

100mm x 100mm (4"x4") Square Sawn Fence Posts Enhance the durability and aesthetics of your fencing, decking, or domestic applications with ou...

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£10.92 - £22.86
£10.92 - £22.86
£10.92
£7.32 - £18.60
£7.32 - £18.60
£7.32
Save up to 19% Save %
Save up to 19% Save %

75mm x 75mm (3"x3") square sawn fence posts

£6.16 - £8.20
£6.16 - £8.20
£6.16
£5.00 - £7.08
£5.00 - £7.08
£5.00
In stock

75mm x 75mm square fence posts @ Various lengths, pressure treated green, Square sawn. Used for the construction of fencing, decking or domestic ap...

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£6.16 - £8.20
£6.16 - £8.20
£6.16
£5.00 - £7.08
£5.00 - £7.08
£5.00
Save up to 19% Save %

2nd class slat 1.8M x 100 x 19 Slat

£1.00 - £1.00
£1.00
£1.00 - £1.00
£1.00
In stock

2nd class slat 1.8M x 100 x 19 Slat Enhance your fencing with our 2nd class fence slat, measuring 100mm x 19mm at a length of 1.8m. These pressure...

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£1.00 - £1.00
£1.00
£1.00 - £1.00
£1.00
Save up to 18% Save %

150mm x 19mm (6"x3/4") Square sawn, fencing slat/sarking boards

£2.94 - £8.14
£2.94 - £8.14
£2.94
£2.59 - £6.66
£2.59 - £6.66
£2.59
In stock

150mm x 19mm (6"x3/4") Square Sawn Fencing Slat/Sarking Boards Pressure treated green for durability Square sawn for a c...

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£2.94 - £8.14
£2.94 - £8.14
£2.94
£2.59 - £6.66
£2.59 - £6.66
£2.59
Save up to 18% Save %
Save up to 19% Save %

100mm x 47mm (4"x2") joist, square sawn

£10.70 - £14.28
£10.70 - £14.28
£10.70
£8.64 - £11.52
£8.64 - £11.52
£8.64
In stock

100mm x 47mm (4"x2") Joist, Square Sawn Enhance your construction projects with our durable 100mm x 47mm joists, available in various lengths ...

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£10.70 - £14.28
£10.70 - £14.28
£10.70
£8.64 - £11.52
£8.64 - £11.52
£8.64
Save up to 19% Save %
Save up to 21% Save %

75mm x 75mm (3"x3") square sawn fence posts, pointed

£4.79 - £7.36
£4.79 - £7.36
£4.79
£4.13 - £5.82
£4.13 - £5.82
£4.13
In stock

75mm x 75mm Pointed fence posts @ Various lengths, pressure treated green, Square sawn. Used for the construction of fencing, decking agricultural ...

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£4.79 - £7.36
£4.79 - £7.36
£4.79
£4.13 - £5.82
£4.13 - £5.82
£4.13
Save up to 21% Save %
Save 19% Save %

4.8M x 50 X 47 (16ft x 2 x 2) Sqaure Joist

£7.15
£7.15 - £7.15
£7.15
£5.76
£5.76 - £5.76
£5.76
In stock

4.8M x 50 X 47 (16ft x 2 x 2) Sqaure Joist Discover the perfect solution for your rail joist needs with our 4.8M x 50 X 47 (16ft x 2 x 2) Square J...

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£7.15
£7.15 - £7.15
£7.15
£5.76
£5.76 - £5.76
£5.76
Save 19% Save %

1.8M x 50mm x 19mm (6ft 2" x 3/4") Slat

£0.96 - £0.96
£0.96
£0.96 - £0.96
£0.96
In stock

1.8M x 50mm x 19mm (6ft 2" x 3/4") Slat Enhance the privacy and aesthetic appeal of your outdoor space with our 1.8M x 50mm x 19mm (6ft 2" x ...

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£0.96 - £0.96
£0.96
£0.96 - £0.96
£0.96

150 x 22 ( 6 x 7/8) Sarking Board - 3.0m & 4.8m

£5.94 - £7.92
£5.94 - £7.92
£5.94 - £7.92
£5.94
In stock

4.8M x 150 x 22 (16ft 6 x 7/8) Sarking Board Enhance your fencing or roofing projects with our 4.8-meter long sarking board. Crafted with pr...

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£5.94 - £7.92
£5.94 - £7.92
£5.94 - £7.92
£5.94
Save 29% Save %

4.8M x 50 x 22 Green Treated rough sawn

£4.80
£4.80 - £4.80
£4.80
£3.43
£3.43 - £3.43
£3.43
In stock

Green Treated Rough Sawn Timber Batten Enhance your domestic projects with our 4.8-meter-long, 50mm x 22mm green treated rough sawn timber bat...

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£4.80
£4.80 - £4.80
£4.80
£3.43
£3.43 - £3.43
£3.43
Save 29% Save %

88mm x 38mm (3.5"x3/4") fence rail, square sawn -HCD

£7.15 - £9.90
£7.15 - £9.90
£7.15 - £9.90
£7.15
In stock

88mm x 38mm fence rails @ Various lengths, pressure treated green, Square sawn. Used for the construction of slatted fencing, horse arenas and timb...

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£7.15 - £9.90
£7.15 - £9.90
£7.15 - £9.90
£7.15
Save 21% Save %

100mm x 38mm (4"x3/4") Heavy duty fence rail, square sawn

£9.49
£9.49 - £9.49
£9.49
£7.47
£7.47 - £7.47
£7.47
In stock

100mm x 38mm (4"x3/4") Heavy Duty Fence Rail, Square Sawn Enhance the durability and strength of your fences with our 100mm x 38mm heavy d...

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£9.49
£9.49 - £9.49
£9.49
£7.47
£7.47 - £7.47
£7.47
Save 21% Save %

Fence Capping/ coping rail 75 & 100mm

£6.98 - £10.32
£6.98 - £10.32
£6.98 - £10.32
£6.98
In stock

Enhance Your Fencing with Our Premium Fence Capping Introducing our top-of-the-line Fence Capping/Coping Rail available in two versatile s...

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£6.98 - £10.32
£6.98 - £10.32
£6.98 - £10.32
£6.98
Save up to 23% Save %

100mm x 100mm (4"x4") square sawn Fence posts, pointed

£11.21 - £12.76
£11.21 - £12.76
£11.21
£8.65 - £10.58
£8.65 - £10.58
£8.65
In stock

100mm x 100mm (4"x4") Square Sawn Fence Posts, Pointed Enhance your outdoor space with our 100mm x 100mm (4"x4") square sawn fence posts. Thes...

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£11.21 - £12.76
£11.21 - £12.76
£11.21
£8.65 - £10.58
£8.65 - £10.58
£8.65
Save up to 23% Save %

4.2M x 75 x 22 Sarking Boards (14ft 3 x 3/4 ) Slat

£4.19 - £4.19
£4.19
£4.19 - £4.19
£4.19
In stock

4.2M x 75 x 22 Sarking Boards (12ft 3 x 3/4 ) Slat Enhance your fencing with our 4.2M x 75 x 22 Sarking Boards. Crafted from high-quality, pressur...

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£4.19 - £4.19
£4.19
£4.19 - £4.19
£4.19
Save 13% Save %

1.8M x 75mm x 19mm (6ft 3" x 3/4") Slat

£1.52
£1.52 - £1.52
£1.52
£1.32
£1.32 - £1.32
£1.32
In stock

1.8M x 75mm x 19mm (6ft 3" x 3/4") Slat Enhance the appeal of your property with our 1.8M x 75mm x 19mm (6ft 3" x 3/4") fence slat. This press...

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£1.52
£1.52 - £1.52
£1.52
£1.32
£1.32 - £1.32
£1.32
Save 13% Save %
Save up to 23% Save %

150mm x 47mm (6"x2") Joist, square sawn

£16.07
£16.07 - £16.48
£16.07
£12.36 - £16.48
£12.36 - £16.48
£12.36
In stock

150mm x 47mm (6"x2") Joist, square sawn Enhance your construction projects with our 150mm x 47mm (6"x2") Joist, pressure treated in an att...

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£16.07
£16.07 - £16.48
£16.07
£12.36 - £16.48
£12.36 - £16.48
£12.36
Save up to 23% Save %

Timber Peg 0.6m x 50 x 50 (2ft 2 x2) - 25 pegs per pack (Sold individually)

£1.50 - £1.50
£1.50
£1.50 - £1.50
£1.50
In stock

25 pegs per pack - sold individually

£1.50 - £1.50
£1.50
£1.50 - £1.50
£1.50

1.65M x 75 x 75 Post Seconds (5ft6 3 x 3) Stobbs Post 2nd Class point

£4.56 - £4.56
£4.56
£4.56 - £4.56
£4.56
In stock

1.65M x 75 x 75 Post Seconds (5ft6 3 x 3) Stobbs Post 2nd Class point Upgrade your fencing or decking with our top-quality 75mm x 75mm pointed...

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£4.56 - £4.56
£4.56
£4.56 - £4.56
£4.56
Save 17% Save %

2.4M x 100mm x 100mm (8ft x 4"x4") square sawn Fence posts

£13.80
£13.80 - £13.80
£13.80
£11.40
£11.40 - £11.40
£11.40
In stock

2.4m x 100mm x 100mm (8ft x 4"x 4") Square Sawn Fence Posts Enhance the durability and aesthetics of your fencing, decking, or domestic applicatio...

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£13.80
£13.80 - £13.80
£13.80
£11.40
£11.40 - £11.40
£11.40
Save 17% Save %

1.65m x 73mm machine round pointed uc4 treated PERMAPOST

£4.67 - £4.67
£4.67
£4.67 - £4.67
£4.67
In stock

1.65m x 73mm Machine Round Pointed Treated Enhance Your Fencing with Durable Posts Upgrade your fencing with our 1.65m x 73mm Machine Round Pointe...

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£4.67 - £4.67
£4.67
£4.67 - £4.67
£4.67

3.6m x 50 x 25 British stamped blue tile batten

£4.56 - £4.56
£4.56
£4.56 - £4.56
£4.56
In stock

3.6m x 50 x 25 British Stamped Blue Tile Batten This 3.6m x 50 x 25 British stamped blue tile batten is an essential component for tile roofi...

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£4.56 - £4.56
£4.56
£4.56 - £4.56
£4.56