• Free 2 hr Click & Collect

  • 14 Day Returns

  • 4.6 Rating on Google

Top-quality building materials delivered fast to Cardiff

Your Trusted  Cardiff Builders’ Merchants since 1946

We are rated 4.6 based on 263 customer reviews

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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 263 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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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
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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

Help & Customer Support

the independent Cardiff Builders' Merchants since 1946.

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