• Free 2 hr Click & Collect

  • 14 Day Returns

  • 4.6 Rating on Google

Quality Building Materials, Speedy Delivery

Your Trusted, Family-Run Builders’ Merchants since 1946

Access our wide range of top-quality materials from the comfort of your home or job site. Enjoy fast, reliable delivery and expert support, whether you’re a seasoned professional or a DIY enthusiast.

We are rated 4.6 based on customer reviews

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Workers carrying heavy bags on their shoulders at an industrial site.
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Since 1946, WBS Builders’ Merchants has been the trusted choice for building materials and supplies in Whitchurch, Cardiff and surrounding areas.

1946Established

78 YearsExpert Family Service

4.6/5based on 258 reviews

Free Cardiff Delivery when you spend Over £200 (ex VAT)

Offer automatically applied at checkout for qualifying Cardiff postcodes. See Terms & conditions for more information.

Delivery Information

Website Exclusive OFfer

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Quality  Brands That Won't Let You Down.

Stocking the #1 Brands

WBS stocks the biggest building and DIY brands at competitive prices. Our partners ensure that stock levels are plentiful so we can supply you with your building needs.

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Reduce Building Material Waste & Save Money

Material Calculators

Our calculators can help you order the correct quantity, saving time and money on unnecessary materials and additional deliveries. Easily share results with your building professionals.

Use Calculators

Welcome to WBS Builders' Merchants in Whitchurch, Cardiff.

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  • 1946

    Since

Whitchurch Building Supplies have been providing quality building materials and supplies to the public and trade in Cardiff & South Wales since 1946. We are one of the few remaining independent builders' merchants and that directly benefits our customers and our community.

The WBS Family

Experts  in Building Supplies

Join the growing family of satisfied customers who have experienced the unique blend of professional and personal service that only a family-run business can offer.

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Quality Building Supplies for Professionals & DIYers Since 1946.

Whitchurch Builders Supplies value every building project, so we take a personalised approach to each customer. Being a family-run business for 75+ years, you're not just a customer but part of the family when you work with us.

Apply Today

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Trade Account

Exclusive Access to Trade Prices

Personalised prices in-store and online. Apply for a trade account with Whitchurch Builders Supplies and become part of the family.

Apply Now

Help & Customer Support

the independent Cardiff Builders' Merchants since 1946.

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