Charles James Developments and Interiors are a well-established local builders in Cardiff, South Wales. We offer a bespoke building service that puts your ideas first.

From domestic builds, house renovations and extensions our aim is to keep things as simple as possible for you throughout your building project. However big or small your project is, you can trust our team of interior builders to handle every aspect of the job with care, professionalism and attention to detail from start to finish.

As well as being a recognised local interior builders’ company in Cardiff, we take the effort to get to understand as much as possible about our client’s projects before we deliver a quote. This ensures no shocks throughout the design and building process and enables us to be exceptionally thorough. Meaning that your project is always finished on time and within budget.

We offer a wide range of services from bespoke kitchens and furniture, to loft conversions and interior design.

bespoke badge
visions badge
excellence badge
perfect badge


We can help you turn your ideas into reality.

Looking for reliable local builders in Cardiff? – Charles James Developments is an experienced interior builders company based in Cardiff, South Wales. We oversee all aspects of building work from domestic projects and conversions to extensions. No job is too big or small!

Our dedicated team provides refurbishment, renovation and interior design services. At Charles James, we can transform your home and turn your property dream from an idea to reality.

Customer service is our key priority. We work tirelessly to guarantee all our work is carried out to the highest standard, is in line with building regulations and is completed at a cost-effective price.

As our business has grown, we have expanded by collaborating with a select group of local professionals, including surveyors, architects, specialist tradesmen and interior designers.

We are prepared to have a meeting with you to go over the proposals before sending you a free quote, covering all elements of the project and home improvement.

Every client is unique, and every project is different. No matter what size your job is, our polite and friendly team of builders will deliver exceptional service to help achieve your dream home without causing unnecessary disruption to you or your life.



Have a browse through some of the projects we’ve worked on recently

Charlesjames-badge C OMING SOON


Our Wellfield Road Showroom is now closed while we prepare to set up our new showroom, in a bigger and better location.

We’re still taking on new projects and are available via email: [email protected] or call us on 029 2048 4144


If you are thinking about making some home improvements and would like to discuss a project, we’d love to hear from you.


029 2048 4144


[email protected]


Charles James are pleased to be able to offer finance agreements.
Please contact us for more information.

CHARLESJAMES LTD T/A Charles James Developments is registered in England and Wales No 09387044. Trading address 13 Wellfield Road, Cardiff, CF24 3NZ. CHARLESJAMES LTD T/A Charles James Developments acts as a credit broker and only offers credit products from Omni Capital Retail Finance Ltd. CHARLESJAMES LTD T/A Charles James Developments is authorised and regulated by the Financial Conduct Authority. Our registered number is 789203. Credit subject to age and status.