Claire Costello - Mosaic Artist and Teacher


Mosaic Worshops 2022

Learn mosaics with Claire at her home studio in Hertford, Herts.

Book online for a great choice of mosaic workshops and projects for all abilities. 


Unique Mosaic Gifts

Browse Claire's handmade mosaic gifts and home decor on her on-line store.

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Just for you 

Let Claire create a mosaic specially for you. From mosaic door numbers to garden statues and from pet portraits to memorial mosaic stones. Get in touch.

Claire Costello has a refreshing and quirky style to her mosaics, with contemporary bright and unique designs. Claire is passionate about mosaics and decorative glass and has been creating for over 20 years. 

Claire has created large community mosaics, hosted collaborative projects and taught mosaics and fused glass locally in Hertfordshire. Loving both elements Claire includes fused glass in most of her mosaics, along with stained glass and anything else that catches her eye. 

If you want to learn or improve your mosaic skills Claire offers face to face mosaic workshops in her Mosaic Studio at her home in Hertford, Hertfordshire.

Claire Costello

"I just love the way glass reflects light, brightens up a space and is simply a joy to look at. Placing these elements together, my goal is to create a positive uplifting energy for your home and the garden." ...says Claire

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"Thank you so much!

I thoroughly enjoyed the day and appreciated your help and guidance Claire."


Make a Mirror Workshop


"Had so much fun doing this with my friend, will be booking another workshop soon.

Totally hooked"


Making Shapes Workshop 2022

"Thank you Claire for a great day and introducing me to a new craft.

Can’t wait to do more."


Garden Mosaic Workshop


"Claire, we had a wonderful morning with you. You are such a lovely sunny lady and it is so relaxing being in your company."


Xmas Decs Workshop