Based just outside Cardiff, Atelier Alterations has a team of seamstresses dedicated to providing a professional and bespoke alteration service for wedding dresses, bridesmaid dresses, mother of the bride outfits, prom dresses and occasionwear.

Our team of highly skilled and experienced seamstresses are passionate about their work, always ensuring that alterations are carried out to the very highest standards and that every dress fits to perfection. We offer competitive prices and our service is fully insured.

Our studio is based in Llantrisant, near Cardiff, close to the M4 (junction 34) making us within easy reach of Newport, Pontypridd, Bridgend and Swansea.

more about us

bridal alterations & bespoke wedding dress customisations

From ensuring that your dream wedding dress fits to perfection to carrying out bespoke customisations, our highly skilled seamstresses are specialists in bridal alterations.


bridesmaid & mother of the bride alterations

Our alterations service for bridesmaid dresses and mother of the bride outfits will ensure that the whole bridal party looks their very best on the big day.


prom dresses & occasionwear alterations

A garment made to fit perfectly makes all the difference! Whatever your special event, our seamstresses will ensure that your gown is tailored to you.

Open for business

Open for business

We're delighted to announce that Atelier Alterations will reopen from Monday 13 July with measures to safeguard our customers and staff...

Closed until further notice

Closed until further notice

To ensure the safety of our customers and staff during the COVID-19 pandemic, we are now closed until further notice....

New wedding day fitting service now available

New wedding day fitting service now available

Avoid last minute wedding dress stress and leave nothing to chance with our new wedding day fitting service....