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Featured Products

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

Thin-R Pitched Roof on sloped roofs (ventilated, hybrid or warm) provides the most efficient U-Values with minimal intrusion into valuable living space. The roof construction is a critical element in...
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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...
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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...
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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...
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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
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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...

Welcome to Howarth Timber and Building Supplies

Welcome to Howarth Timber & Building Supplies, your trusted, family-run one-stop shop for quality timber and building materials.

We proudly support both trade professionals and retail customers with an extensive range of products, expert advice, and reliable services designed to help every project run smoothly.

With a strong commitment to sustainability, competitive trade pricing, and a nationwide branch network (many with dedicated showrooms), Howarth makes it easy to find everything you need all in one place, with the service and support you can depend on.


Help & Inspiration

Cladding: An Installation Guide

Discover the different types of timber, their key properties, and best uses. Learn everything you need to know to choose the right timber for your next project.

How to use plasterboard on a ceiling or wall

This guide will help any DIYer to be able to complete a plastering job efficiently!  

Inspiration & Advice

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What We Stand For

At Howarth Timber & Building Supplies, our aim is simple: “Great products & reliable service with knowledgeable staff who support our customers. Whatever their project, whatever the size.” We live by this every day, ensuring that whether you’re a trade professional tackling a large construction project or a DIY enthusiast completing a home improvement, you have access to the right products, expert advice, and dependable support at every step.

Rooted in family values, we build strong, lasting relationships with our customers and communities through a friendly, personal approach. We are equally committed to sustainable practices, responsibly sourcing materials, and reducing our environmental impact—helping create a better future for everyone.

With reliability, expertise, and a genuine passion for our work, we support every project, big or small, with confidence and care.