VIESSMANN, NAVIEN & SIKA EVERBUILD ARE HEADING TO OUR TRADE COUNTERS!
Join us for a closer look at the latest products, solutions and advice from the reps themselves.
Castle Plumbing Supplies is opening a brand-new trade counter in Llanelli on 21 September 2026, bringing plumbing, heating and trade essentials closer to you.
Find us at 4 Dafen Trade Park, Dafen, Llanelli, SA14 8NA for trusted brands, expert service and proper trade prices.
Get stuck into the latest plumbing and heating trade counter offers at Castle Plumbing Supplies – proper trade prices across South Wales on the brands you trust and the product you use every day.
Who are Instinct Pro?
Instinct Pro represents the trade-focused evolution of the Instinct brand. Designed with professional installers in mind, the portfolio builds on a decade of delivering well engineered, compliant products that combine durability with value.
Covering bathroom, plumbing and heating applications, Instinct Pro supports every stage of a domestic project, offering reliable solutions that perform consistently in real world installations.
FIND ALL OUR PLUMBING AND HEATING LOCATIONS IN SOUTH WALES
Find your nearest Castle Plumbing Supplies trade counter below, check the map for directions, click through to see the latest trade events and offers, or fill out the contact form to check stock, get trade prices or place an order with your local branch.
BARRY TRADE COUNTER
Unit 22, Ty Verlon Industrial Estate, Cardiff Road, Barry, CF63 2BE
Barry@castleplumbingsupplies.co.uk
Call: 01446 701808
BRIDGEND TRADE COUNTER
Unit 1, New Street, Bridgend Industrial Estate, Bridgend, CF31 3UD
Bridgend@castleplumbingsupplies.co.uk
Call: 01656 650050
CAERPHILLY TRADE COUNTER
Units 3A & 3B, Bedwas House, Swanbridge Court, Caerphilly, CF83 8FW
Caerphilly@castleplumbingsupplies.co.uk
Call: 02920 885293
CALDICOT TRADE COUNTER
Unit 21, Beacon Business Park, Norman Way, Severn Bridge Ind Est, Caldicot, NP26 5PY
Caldicot@castleplumbingsupplies.co.uk
Call: 01291 431192
LLANELLI TRADE COUNTER
Units 4 & 5, Dafen Trade Park, Llanelli, SA14 8ND
Llanelli@castleplumbingsupplies.co.uk
Call: Coming Soon
NEATH TRADE COUNTER
Units 11 & 12, Milland Road Industrial Estate, Milland Road, SA11 1NJ
Neath@castleplumbingsupplies.co.uk
Call: 01639 865355
NEWPORT TRADE COUNTER
52 Enterprise Way, Newport, NP20 2AQ
Newport@castleplumbingsupplies.co.uk
Call: 01633 258052
PONTYPOOL TRADE COUNTER
Unit 1, Pontnewynydd Industrial Estate, Pontnewynydd, Pontypool, NP4 6YW
Pontypool@castleplumbingsupplies.co.uk
Call: 01495 767993
TREFOREST TRADE COUNTER
Unit C61, Treforest Industrial Estate, Pontypridd, CF37 5UD
Treforest@castleplumbingsupplies.co.uk
Call: 01443 844469
WORKING ON A PLUMBING OR HEATING JOB? LET’S SORT IT
Drop your details below, choose your enquiry type and let us know which plumbing and heating product you need and our team will get it priced and sorted for you. If you want to hear about plumbing and heating trade counter offers and events, tick the marketing box and we’ll keep you updated with no spam, just proper trade info.
Bathroom Showrooms and Tiles Across South Wales
Castle Plumbing Supplies trade counters are located across South Wales in Barry, Bridgend, Caerphilly, Caldicot, Cardiff, Neath, Pontypool and Treforest. Most locations also feature a Castle Bathrooms & Tiles – showroom, with Cardiff operating as a showroom only and Newport as a trade counter only. Drop into your nearest branch or send your customers to us to explore the ranges and get the project moving.