Trethomas Postoffice

18/04/2026

05/04/2026

🐣🌸 Happy Easter everyone! 🌸🐣

Thanks for supporting Trethomas Convenience Store — we appreciate you all! 💛
Don’t forget to pop in for your Easter treats 🍫

Enjoy the weekend!

03/04/2026

🔥 NEW IN STORE 🔥

We’ve just stocked up on some tasty treats you don’t want to miss! 😍👇

🍏 Volvic Apple & Blackcurrant – refreshing, fruity, and perfect on the go
🍬 Dr Peeler’s Gummies – packed with flavour and seriously addictive
🥤 Calypso Cans – your favourite tropical vibes in a can
⚡ Lucozade Grapefruit – bold, zesty, and super refreshing
🌰 Pistachio Flavoured Wafer Rolls – crispy, creamy, and absolutely delicious

Pop in and grab yours before they’re gone! 🏃‍♂️💨
📍 Available now in-store

# Caerphilly

24/03/2026

NEW IN 🚨💚

Aero Pistachio flavour now in stock 🌰✨
Light, bubbly chocolate with a smooth pistachio twist 😍

Only £1.65
Don’t miss out… limited stock 👀💨

24/03/2026

NEW IN 🚨💙

Echo Falls Blue Raspberry has landed 🍇✨
Sweet, bold, and bursting with flavour — the perfect vibe for your next chill or night in 🔥

Grab yours now before it’s gone 🛍️💨

30/12/2025

Stay connected with Trethomas Premier 📱
Scan our QR codes to follow us on Facebook & Instagram for updates, offers, and news in-store!

29/12/2025

📬 **Post Office is OPEN** 📬
After the Christmas holidays 🎄

We’ve also got **new stock in** 👀🔥
🍋 Sourz Lemon & Lime
🍹 BuzzBallz Biggies – Tequila Rita

Pop in, post your parcels, and grab your favourites — all in one stop 🛒📦

25/12/2025

🎄 Merry Christmas! 🎄

Thank you for supporting your local convenience store & post office. We wish you a joyful Christmas and a happy, healthy New Year! ✨

– Trethomas Convenience Store.

24/12/2025

Wishing all of our wonderful customers a magical Christmas! 🎅✨

​Thank you for making our year so special. We hope you have a relaxing day surrounded by your favorite people.
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13/05/2025