About Bancs

Bancs is a leading residential building contractor in Mumbles, South Wales, known for outstanding craftsmanship and service. We specialize in new builds, renovations, extensions, and loft conversions, providing tailored solutions from start to finish.

Owain Bancroft (founder) established Bancs in 2020. Owain was born and raised on the Gower Peninsular, deeply rooted in the local community. His father, a cabinet maker and antiques restorer, proudly influenced Owain’s lifelong passion for craftsmanship. Owain went straight from school into the industry and has over 16 years of experience in carpentry, construction & project management. This coastal upbringing and dedication to quality are the foundations of Bancs today.

At Bancs, our deep ties to the Mumbles community through construction, surf clubs, sports clubs and gyms, strengthen our commitment to local engagement.

We have forged strong relationships with exceptional local suppliers who provide only the finest materials. We pride ourselves on delivering a unique and thoughtful service, consistently going the extra mile to ensure our clients are more than satisfied with our work. At Bancs, we are dedicated to providing an excellent product and service, every time. 

Our Team

Accreditations

The FMB is a non-profit trade association run by builders, for builders. They are the largest trade association in the UK, aiming to protect small to medium construction companies whilst helping to guide legislation and training to more sustainable and safe building practices.
We are proud accredited members of the FMB (Federation of Master Builders), and our Managing Director, Owain Bancroft, is also a board member.

Every year, a selection of the finest local businesses are invited to the Swansea Bay Business Awards. At the start of 2025, we were one of the select businisses that had been noticed and invitied to join the celebration. We are incredibely proud to say that we were the recipients of the Highly Commended award in the Trade & Construction category. It’s always a very rewarding feeling to know that our dedication to quality service and hard work, in all aspects of what we do is noticed and appreciated. 

We work closely with CITB (Construction Industry Training Board) who are the industry training board  for the construction sector in England, Scotland, and Wales. It’s their job to help the construction industry attract talent and to support skills development, to build a better Britain.
By utilising CITB’s training programs, we ensure that our staff receive the highest standard of professional development. This enables us to maintain our reputation for excellence and deliver superior craftsmanship on every project.

At Bancs, we are dedicated to ensuring that we minimise our impact on the environment. We actively seek to find ways of giving back to nature.
We are now an official partner of The Greener Earth Project, a reforestation charity who are on a mission to plant 1 million trees.
We are happy to say that Bancs has pledged to plant 1000+ trees a year, with the aim of replacing the timber we use in our projects, and ensuring that all of the projects we complete are as eco-conscious and environmentally friendly as possible.