Gwillim Builders Merchant

Gwillim Builders Merchant We are a family-run independent builders merchant, serving both the trade and the general public.

15/04/2026

📞📞📞 CAERPHILLY BRANCH PHONE LINES DOWN!

Apologies for any inconvenience caused - we are working to resolve this asap. Please call 01495311026 alternatively in the meantime. Thank you for your patience.

DEMO DAY - at Brynmawr branch today. Any roofers, or those with a flat roof project, call in for details on this tried a...
10/03/2026

DEMO DAY - at Brynmawr branch today. Any roofers, or those with a flat roof project, call in for details on this tried and tested system

A truck-load of insulation off to Pontypool today 🚚 ☀️ 😃
04/03/2026

A truck-load of insulation off to Pontypool today 🚚 ☀️ 😃

Grey skies, rainy days, no problem 😅💪🏻
05/02/2026

Grey skies, rainy days, no problem 😅💪🏻

Trucks loaded and out early to Crickhowell, Markham and Chepstow this morning….delivery available throughout South Wales...
15/01/2026

Trucks loaded and out early to Crickhowell, Markham and Chepstow this morning….delivery available throughout South Wales 🚚🚚🚚

🎄🎄MERRY CHRISTMAS!!!🎄🎄We are now closed for the festive break. We would like to say a huge thank you to all our customer...
23/12/2025

🎄🎄MERRY CHRISTMAS!!!🎄🎄

We are now closed for the festive break. We would like to say a huge thank you to all our customers, colleagues, families and friends for all your support again this year!

Both our branches will be back open as normal on Friday 2nd January 2026. If you’re looking for deliveries immediately in the new year, please feel free to place orders online in the meantime.

We wish you all a very Merry Christmas, and a fantastic New Year! Look forward to seeing you in 2026

📢 📢 ATTENTION ROOFERS 📢 📢 PRO GRP ADVANCED GLASSFIBRE ROOFING SYSTEM - No joints - no seams - no leaksIn stock now at ou...
13/10/2025

📢 📢 ATTENTION ROOFERS 📢 📢

PRO GRP ADVANCED GLASSFIBRE ROOFING SYSTEM - No joints - no seams - no leaks

In stock now at our Caerphilly branch on Bedwas House Industrial Estate. We also stock T&G OSB 3 18mm roof boards, fascias and guttering, and much more! Get in touch for more details!

Loaded up with landscaping! Ground grids and bulk aggregates on their way to Monmouth this morning ☀️😃
16/07/2025

Loaded up with landscaping! Ground grids and bulk aggregates on their way to Monmouth this morning ☀️😃

Address

Brynmawr
NP234BX

Opening Hours

Monday 7:30am - 5pm
Tuesday 7:30am - 5pm
Wednesday 7:30am - 5pm
Thursday 7:30am - 5pm
Friday 7:30am - 5pm
Saturday 8am - 12pm

Telephone

01495311026

Website

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