Sand

Cement

Aggregates

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Fencing

Timber

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Bricks & Blocks

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Patio & Paving

Gravel

Garden Decor

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Compost & Soil

Top-quality building materials delivered fast to Cardiff

Your Trusted Cardiff Builders’ Merchants since 1946

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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)

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Garden Compost & Soil
It's that time of year. WBS has all your outdoor project needs covered.
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Decorative Stone & Chippings
Browse our wide-range of gravel, chipping, stone and cobble.
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Sand, Cement & More
Get your building essentials delivered or collect in store within 2 hours.
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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.

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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.

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Help & Customer Support

the independent Cardiff Builders' Merchants since 1946.

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