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South Wales Builders' Merchants · Est. 1946

Everything the job needs, ready in Cardiff.

Building, timber, landscaping and tool lines held in stock — delivered across South Wales, or collected from our Whitchurch yard the same day.

Check delivery & collection for your address or site

  • Free delivery over £250 inc. VAT

  • Collect in 60 minutes

Four people in matching red hoodies stand behind a counter in a tool shop, with various tools hanging on the wall behind them.

Only £7.20£6.00

Melcourt SylvaGrow Farmyard Soil Improver (Manure) 50L BAg

A rich source of organic matter for all soils, adding nutrients, improving fertility and yield, soil structure and workability, and enhancing water-holding capacity.

Shop Manure

Free Delivery when you spend Over £250

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.

Two men smiling in a hardware store, standing behind a counter with tools and equipment displayed on shelves in the background.

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 and beanie smiles while carrying a bag of WeatherPro cement on his shoulder. Stacks of similar bags are in the background.

Reduce Building Material Waste & Save Money

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

Local to Whitchurch since 1946

Your local builders' merchants in Cardiff

From our yard on College Road we keep building materials, aggregates, timber, landscaping and tools in stock for builders, landscapers and DIYers right across Cardiff and South Wales.

We deliver Monday to Friday on our Hi-Ab crane lorry, which lifts loads straight onto site, or on a smaller tipper truck where access is tight.

Free delivery over £250

  • Whitchurch
  • Rhiwbina
  • Llanishen
  • Heath
  • Llandaff
  • Danescourt
  • Radyr
  • Cathays
  • Roath
  • Penarth

Covers CF5, CF10, CF11, CF14, CF15, CF23, CF24 & CF64 4. We deliver to every CF and NP postcode, including the Vale of Glamorgan, Newport, Caerphilly and the Valleys.

WBS Hi-Ab delivery lorry in the yard at College Road, Whitchurch, CardiffForklift moving stock in the WBS yard, Whitchurch

Help & Customer Support

the independent Cardiff Builders' Merchants since 1946.

Rated by builders & DIYers

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