Howarth Timber & Building Supplies

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News & Information (5)

A Guide to CLS Timber

Are you considering using CLS timber for a future construction project? CLS timber has a variety of outstanding features, such as being durable, robust, and proportioned for a wide range of uses. As ...

Cladding Case Studies

Cladding can be used in a number of ways to enhance a building or construction, improve it’s strength and protect it from natural elements such as the weather, sunlight and water absorption. He ...

TDUK: Impact of trade restrictions on Russia and Belarus

Timber Development UK ruled over a pan-European conference with the top timber and sawmilling associations on March 7th to coordinate action throughout the continent. The sanctions placed on Belarus ...

Types of Timber: All you need to know

If you’re in the building trade, a joiner in particular, or work at Howarth Timber & Building Supplies, you’ll know a great deal about the different types of timber. But there is alwa ...

Cladding: An Installation Guide

Timber is a natural product that will maintain its appearance and last a lifetime if cared for according to the manufacturer's instructions. As a result, the installation instructions stated below ar ...

Products (224)

PTGV 1S Matchboard Cladding Green UC3u Treated PEFC 19 x 125mm

WAS: per metre

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£3.46 per metre (Inc VAT)

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£2.88 per metre (Ex VAT)

PTG cladding is UC3u green treated making it suitable for outdoor use. Transform your outdoor structures with our Planed Tongue & Groove Green UC3u Treated Timber Cladding. Crafted from...

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£3.46 per metre (Inc VAT)

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£2.88 per metre (Ex VAT)
Rough Sawn Timber UC2 Treated PEFC 19 x 38mm

WAS: per metre

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£0.70 per metre (Inc VAT)

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£0.58 per metre (Ex VAT)

Discover the versatility and sustainability of Rough Sawn Timber UC2 Treated PEFC 19 x 38mm, a product that seamlessly combines durability with eco-conscious sourcing. Imported timber, therefore...

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£0.70 per metre (Inc VAT)

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£0.58 per metre (Ex VAT)
Shiplap Timber Cladding Green UC3u Treated Redwood PEFC 19 x 125mm (Finished Size 15x119mm)

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£3.04 per metre (Inc VAT)

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£2.53 per metre (Ex VAT)

European Redwood shiplap and offset cladding with square end detail. This Traditional Scandinavian Redwood softwood Shiplap Cladding is UC3u treated, and this treatment makes the cladding...

WAS: per metre

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£3.04 per metre (Inc VAT)

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£2.53 per metre (Ex VAT)
CLS Timber PEFC 50 x 75 x 2400mm (Finished Size 38x63mm) 3x2

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£5.83 per piece (Inc VAT)

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£4.86 per piece (Ex VAT)

Canadian Lumber Standard (CLS) is a structural timber available in a variety of sections and lengths most commonly used in construction. CLS is PAR or Planed All Round, meaning it has gone through a...

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£5.83 per piece (Inc VAT)

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£4.86 per piece (Ex VAT)
Tile Roofing Batten Full Graded Rough Sawn Timber Treated UC2 PEFC 25 x 50mm (2x1)

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£1.37 per metre (Inc VAT)

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£1.14 per metre (Ex VAT)

A premium batten, fully graded to meet all aspects of BS5534:2003+A1:2010, eliminating the need for grading on site. Approved for New Builds & Replacement Roof projects. These roof battens or...

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£1.37 per metre (Inc VAT)

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WAS

£1.14 per metre (Ex VAT)
C24 Timber Joists UC2 Treated Kiln Dried Regularised PEFC 47 x 100mm (4x2)

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£4.18 - £24.01 per piece (Ex VAT)

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£5.02 - £28.81 per piece (Inc VAT)

C24 Timber Joists UC2 Treated Kiln Dried Regularised PEFC timber is your go-to choice for robust structural applications. C16 and C24 are strength grades; the higher the grade, the better the load...

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£4.18 - £24.01 per piece (Ex VAT)

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£5.02 - £28.81 per piece (Inc VAT)
Sawn Timber Untreated Kiln Dried Regularised PEFC 47 x 50mm (2x2)

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£1.97 - £11.31 per piece (Ex VAT)

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£2.36 - £13.57 per piece (Inc VAT)

Ungraded timber means it is neither C16 nor C24 graded, it can only be used for non-load bearing applications. This makes it ideal for general-purpose uses such as shelving, boxing-in, panelling,...

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£1.97 - £11.31 per piece (Ex VAT)

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£2.36 - £13.57 per piece (Inc VAT)
C24 Timber Joists Untreated Kiln Dried Regularised PEFC 47 x 75mm (3x2)

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£2.90 - £16.68 per piece (Ex VAT)

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£3.48 - £20.02 per piece (Inc VAT)

C16 and C24 are strength grades; the higher the grade, the better the load bearing quality it has. C16 is normally the grade that is produced from faster grown UK timber. C24 is a premium product as...

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£2.90 - £16.68 per piece (Ex VAT)

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£3.48 - £20.02 per piece (Inc VAT)
C24 Timber UC2 Treated Kiln Dried Regularised PEFC 47 x 75mm (3x2)

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£3.13 - £18.01 per piece (Ex VAT)

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£3.76 - £21.61 per piece (Inc VAT)

Main usage is for vertical non-load bearing stud positions. Due to the size of this 3x2 C24 graded timber carcassing, we recommended using it purely for vertical non-load bearing stud positions. C16...

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£3.13 - £18.01 per piece (Ex VAT)

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£3.76 - £21.61 per piece (Inc VAT)
Cheshire Pine Barrel PEFC 2400 x 21 x 9mm (TM795)

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£2.57 each (Inc VAT)

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£2.14 each (Ex VAT)

Add a classic touch to your woodwork with the Cheshire Mouldings Pine Barrel. Smooth, sturdy, and versatile, it's perfect for finishing off staircases, furniture projects, or decorative joinery with...

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£2.57 each (Inc VAT)

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£2.14 each (Ex VAT)
C24 Timber Joists Untreated Kiln Dried Regularised PEFC 47 x 100mm (4x2)

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£3.87 - £22.24 per piece (Ex VAT)

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£4.64 - £26.69 per piece (Inc VAT)

C16 and C24 are strength grades; the higher the grade, the better the load bearing quality it has. C16 is normally the grade that is produced from faster grown UK timber. C24 is a premium product as...

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£3.87 - £22.24 per piece (Ex VAT)

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£4.64 - £26.69 per piece (Inc VAT)
C24 Timber Joists Untreated Kiln Dried Regularised PEFC 47 x 150mm (6x2)

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£5.80 - £33.36 per piece (Ex VAT)

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£6.96 - £40.03 per piece (Inc VAT)

C16 and C24 are strength grades; the higher the grade, the better the load bearing quality it has. C16 is normally the grade that is produced from faster grown UK timber. C24 is a premium product as...

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£5.80 - £33.36 per piece (Ex VAT)

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£6.96 - £40.03 per piece (Inc VAT)
CLS Timber PEFC 50 x 75 x 3000mm (Finished Size 38x63mm) 3x2

WAS: per piece

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£7.30 per piece (Inc VAT)

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£6.08 per piece (Ex VAT)

Canadian Lumber Standard (CLS) is a structural timber available in a variety of sections and lengths most commonly used in construction. CLS is PAR or Planed All Round, meaning it has gone through a...

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£7.30 per piece (Inc VAT)

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£6.08 per piece (Ex VAT)
Square Edge Whitewood Timber Floorboard PEFC 18 x 144mm

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£3.97 per piece (Inc VAT)

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£3.31 per piece (Ex VAT)

Manufactured from high quality Whitewood. All sizes are nominal. Take 5mm off edges for true size.

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£3.97 per piece (Inc VAT)

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£3.31 per piece (Ex VAT)
Sawn Timber UC2 Treated Kiln Dried Regularised PEFC 47 x 50mm (2x2)

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£2.12 - £12.20 per piece (Ex VAT)

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£2.54 - £14.64 per piece (Inc VAT)

Ungraded timber means it is neither C16 nor C24 graded, it can only be used for non-load bearing applications. This makes it ideal for general-purpose uses such as shelving, boxing-in, panelling,...

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£2.12 - £12.20 per piece (Ex VAT)

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£2.54 - £14.64 per piece (Inc VAT)
C24 Timber Joists UC2 Treated Kiln Dried Regularised PEFC 47 x 150mm (6x2)

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£6.26 - £36.02 per piece (Ex VAT)

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£7.51 - £43.22 per piece (Inc VAT)

C24-treated timber joists are a top choice for structural applications, including stud walls, roof and floor joists, and joinery. With a smaller cross-section than C16, they can support higher loads...

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£6.26 - £36.02 per piece (Ex VAT)

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£7.51 - £43.22 per piece (Inc VAT)
CLS Timber PEFC 50 x 100 x 2400mm (Finished Size 38x89mm) 2x4

WAS: per piece

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£7.93 per piece (Inc VAT)

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£6.61 per piece (Ex VAT)

Canadian Lumber Standard (CLS) is a structural timber available in a variety of sections and lengths most commonly used in construction. CLS is PAR or Planed All Round, meaning it has gone through a...

WAS: per piece

WAS

£7.93 per piece (Inc VAT)

WAS: per piece

WAS

£6.61 per piece (Ex VAT)
Cheshire Pine Dado Rail PEFC 45 x 20 x 2400mm

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£6.36 each (Inc VAT)

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£5.30 each (Ex VAT)

A decorative moulding is a crafted and decorated piece of moulding which is typically used to cover rough edges or to add some style to walls, ceilings or furniture such as worktops.

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£6.36 each (Inc VAT)

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£5.30 each (Ex VAT)
C24 Timber Joists UC2 Treated Kiln Dried Regularised PEFC 47 x 125mm (5x2)

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£5.22 - £30.02 per piece (Ex VAT)

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£6.26 - £36.02 per piece (Inc VAT)

C16 and C24 are strength grades; the higher the grade, the better the load bearing quality it has. C16 is normally the grade that is produced from faster grown UK timber. C24 is a premium product as...

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£5.22 - £30.02 per piece (Ex VAT)

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£6.26 - £36.02 per piece (Inc VAT)
C16 Timber UC2 Treated Kiln Dried Regularised PEFC 47 x 75mm (3x2)

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£3.13 - £18.01 per piece (Ex VAT)

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£3.76 - £21.61 per piece (Inc VAT)

C16 graded carcassing is a structural timber commonly used for stud walls, roof and floor joists, and structural joinery. C16 is normally the grade that is produced from faster grown UK timber. It is...

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£3.13 - £18.01 per piece (Ex VAT)

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£3.76 - £21.61 per piece (Inc VAT)
CLS Timber PEFC 50 x 100 x 3000mm (Finished Size 38x89mm) 2x4

WAS: per piece

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£9.92 per piece (Inc VAT)

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£8.27 per piece (Ex VAT)

Canadian Lumber Standard (CLS) is a structural timber available in a variety of sections and lengths most commonly used in construction. CLS is PAR or Planed All Round, meaning it has gone through a...

WAS: per piece

WAS

£9.92 per piece (Inc VAT)

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£8.27 per piece (Ex VAT)
C24 Timber Joists UC2 Treated Kiln Dried Regularised PEFC 47 x 200mm (8x2)

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£8.35 - £48.03 per piece (Ex VAT)

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£10.02 - £57.64 per piece (Inc VAT)

C16 and C24 are strength grades; the higher the grade, the better the load bearing quality it has. C16 is normally the grade that is produced from faster grown UK timber. C24 is a premium product as...

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£8.35 - £48.03 per piece (Ex VAT)

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£10.02 - £57.64 per piece (Inc VAT)
Timber Hardboard Sheet Standard PEFC 3.2 x 2440 x 1220mm

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£14.40 per sheet (Inc VAT)

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£12.00 per sheet (Ex VAT)

Hardboard is a traditional board used for floor covering and the levelling out of old wooden floor boards. It gives a clean smooth surface which allows you to apply various floor coverings of your...

WAS: per sheet

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£14.40 per sheet (Inc VAT)

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£12.00 per sheet (Ex VAT)
Scant Timber S4S PEFC 50 x 75 x 2400mm (Finished Size 42x69mm) 2x4

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£5.56 per piece (Inc VAT)

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£4.63 per piece (Ex VAT)

Scant is a structural timber available in a variety of sections and lengths most used in construction, mainly used for internal construction timbers within the building envelope, tiling batten,...

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£5.56 per piece (Inc VAT)

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£4.63 per piece (Ex VAT)

Featured Products

Siniat GTEC Standard Plasterboard Square Edge 2400 x 1200 x 12.5mm

Designed for partitions, linings and ceilings, this standard board is square edged and most suitable for undecorated applications or textured finishes. It is also suitable for gypsum plaster...

Siniat GTEC Cove 120 3000mm

A gypsum plaster moulding manufactured in a larger traditional cove profile, provides an attractive feature at the junction of walls and ceilings.

Unilin Thin-R Pitched Roof Insulation PIR Board 2400 x 1200 x 100mm

Unilin / Xtratherm XT Thermal Liner MF Insulation PIR Board is a composite insulated panel of Unilin / Xtratherm PIR insulation core with a composite foil facing bonded to 12.5mm tapered edge...

Kronospan P5 Chipboard Flooring TG4 FSC 18 x 2400 x 600mm

The Kronospan P5 is the perfect chipboard flooring for adding practical space to your loft area. It is rated Particleboard P5 and therefore designed to be a load-bearing panel for use in dry and...

Kronospan P5 Chipboard Flooring TG4 FSC 22 x 2400 x 600mm

The Kronospan P5 is the perfect chipboard flooring for adding practical space to your loft area. It is rated Particleboard P5 and therefore designed to be a load-bearing panel for use in dry and...

Plywood PRC HWTO Hardwood EN636-2 Class 2 FSC 18 x 1220 x 2440mm (8x4)

HWTO (Hardwoods Throughout) is an internal plywood. It has a light sanded finish, which can be easily cut or painted and has a variety of uses. Plywood is several panels comprising of at least 3...

Plywood PRC HWTO Hardwood EN636-2 Class 2 FSC 12 x 1220 x 2440mm (8x4)

HWTO (Hardwoods Throughout) is an internal plywood. It has a light sanded finish, which can be easily cut or painted and has a variety of uses. Plywood is several panels comprising of at least 3...

Special Offer

Green Incised Softwood UC4 Treated Garden Sleeper 95 x 195 x 2400mm

Transform your outdoor space with the versatile Green Incised Softwood UC4 Treated Garden Sleeper. Perfect for multiple landscaping applications, these sleepers can be used to craft raised garden...

OSB3 Board Square Edge FSC 11 x 2440 x 1220mm

The OSB is suitable for load bearing applications in construction and all different environmental conditions such as extreme humidity and dryness. The moisture resistant board is engineered for...

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OSB3 Board Square Edge FSC 18 x 2440 x 1220mm

Sterling OSB3 Board is the perfect solution for both construction professionals and DIY enthusiasts seeking durability and versatility in their projects. Engineered to withstand extreme humidity and...

CLS Timber PEFC 50 x 75 x 2400mm (Finished Size 38x63mm) 3x2

Canadian Lumber Standard (CLS) is a structural timber available in a variety of sections and lengths most commonly used in construction. CLS is PAR or Planed All Round, meaning it has gone through a...

Timloc%20Building%20Products%20-%20RTV-SPGR%20Single%20Pantile%20Roof%20Tile%20Vent%20-%20Grey.png

Timloc Single Pantile Tile Vent Grey (RTV-SPGR )

Profiled roof tile vent to enable ventilation directly into a roof space or connect to a ducted ventilation system. Timloc Building Products has been serving the building industry for over 50 years...

Gutter Trim Internal Corner Black (910017.CB)

These components make the detailing of roof perimeters fast and easy without having to make any compromise.

Timloc%20Building%20Products%20-%20AP200%20Plastic%20Access%20Panel.png

Timloc Clip Fit Plastic Access Panel White 205 x 205mm (AP200)

This access panel allows easy access to connectors and concealed services which are hidden in ceilings, ducting and behind dry lined walls. This access panel features a clip fit door panel.

Everbuild 503 SBR Bond 5 Litre (SBR5L)

SBR Bond is a latex based, water resistant bonding agent and admixture for use in areas subject to humidity, dampness and continuous water contact. It improves water resistance of cement mixtures by...

Brett Martin 110mm 0'-30' Adjustable Double Socket Bend Terracotta 110 x 250 x 110mm

Our comprehensive range of underground products include pipes in up to 13 diameters from 58.9mm to 600mm, industry compliant fittings All Brett Martin products including Brett Martin 110mm 0'-30'...

BEX0032097_HOWARTH_2025-12-01T13_32_20.068Z_benefit_design_out.jpg.jpeg

Hanson Multicem Cement Plastic Bag (25kg)

Introducing Hanson Multicem Cement, your go-to solution for reliable and high-quality construction projects. This innovative cement mix is specially formulated for easy spreading, superior water...

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Everbuild Opti-Mix Mortar Plasticiser 1 Litre

The world's first 1:25 plasticiser, Opti-Mix Mortar Plasticiser is essentially Pure Admix that smells and operates like the best traditional Admix. Superior plasticising effect, controlled dosage,...

C24 Timber Joists UC2 Treated Kiln Dried Regularised PEFC 47 x 100mm (4x2)

£4.18 - £24.01 per piece (Ex VAT)

£5.02 - £28.81 per piece (Inc VAT)

C24 Timber Joists UC2 Treated Kiln Dried Regularised PEFC timber is your go-to choice for robust structural applications. C16 and C24 are strength grades; the higher the grade, the better the load...

£4.18 - £24.01 per piece (Ex VAT)

£5.02 - £28.81 per piece (Inc VAT)

C24 Timber Joists Untreated Kiln Dried Regularised PEFC 47 x 100mm (4x2)

£3.87 - £22.24 per piece (Ex VAT)

£4.64 - £26.69 per piece (Inc VAT)

C16 and C24 are strength grades; the higher the grade, the better the load bearing quality it has. C16 is normally the grade that is produced from faster grown UK timber. C24 is a premium product as...