About us
Built with Precision -
Delivered with Care.
Founded in 1979 by Adrian Griffiths, AG Developments is a family‑run construction company based in Cowbridge in the Vale of Glamorgan.
For nearly five decades, we’ve built a reputation for high-quality workmanship, attention to detail, and a commitment to delivering projects that our clients are proud to call home.
We can confidently project manage building schemes, as we have a large network of top-quality tradesmen, who we can call on, to make your job run smoothly.
45+
Years of experience
Top
Quality suppliers
500+
Completed projects
Free
No charge for estimates
“Absolutely delighted with our new bathrooms and downstairs cloakroom. Thank you, Adrian & your team, for transforming our rooms into something that wouldn't look out of place in a 5-star hotel! Wouldn't use anyone else now.”
Carol Paley
“Thank you, Adrian and all your team, for transforming our house. You've all been great to have around and we love the results.”
Laura Pullin
“Adrian and the team were fantastic in transforming our old kitchen and bathroom. Adrian was super helpful designing our new kitchen and providing advice, and the final finish is fantastic quality. The team were professional and polite at all times.”
Stacy and Stuart Nicklin
How it works
1. Contact us
Whether you're planning a new build, renovation, extension, or another construction project, AG Developments is here to help. We take pride in providing honest advice, clear communication, and a personal service from your first enquiry through to project completion. Get in touch with our friendly team today to discuss your ideas, request a free quotation, or find out how we can bring your vision to life.
2. Get a free quote
Every successful project starts with a conversation. Get in touch with AG Developments today for a free, no-obligation quote, and we'll discuss your plans, answer any questions, and provide a detailed estimate tailored to your project. We're committed to delivering quality workmanship, transparent pricing, and exceptional service from start to finish.
3. Agree a timeframe
Once we've discussed your project and provided your quotation, we'll work with you to agree on a realistic timeframe that suits your schedule. From the initial start date through to completion, we carefully plan every stage of the build to ensure the project runs as smoothly and efficiently as possible. Throughout the process, we'll keep you informed of progress, providing clear communication and dependable project management every step of the way.
