Sand

Cement

Aggregates

A close up of a pile of rocks and gravel.

Fencing

Timber

A stack of wooden planks stacked on top of each other.

Bricks & Blocks

A pile of bricks on top of a plastic bag.

Patio & Paving

Gravel

Garden Decor

Close-up of a stack of wooden beams stored on a metal rack at a lumber yard, showing the end grain and texture of the wood.

Compost & Soil

Top-quality building materials. delivered fast.

Your Trusted Cardiff Builders’ Merchants since 1946

Get Building Shop All

We are rated 4.6 based on 263 customer reviews

Red mercedes-benz truck with crane arm parked at a construction supply site.

Four people in red shirts standing in front of a shop.

Man waving from the driver's seat of a forklift.

Workers carrying heavy bags on their shoulders at an industrial site.

A worker in a red jacket driving a forklift at a warehouse loading zone.

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

Man in a red hoodie and black cap stands with arms crossed, smiling.

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

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.

Apply Today

Two men standing behind a counter in a shop.

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

A man in a red hoodie carrying a bag of cement.

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.

Delivery
Find all the details you need to ensure a smooth and timely delivery experience.
FAQs
Quick and straightforward answers to our most frequently asked questions.
Get a Quote
Are you seeking a personalised quote matching your specific budget and requirements?