Local Building Contractors Across Anglesey and Gwynedd
AJ Building Contractors provides professional building services across Anglesey and Gwynedd, delivering high-quality refurbishments, extensions, and new build homes for homeowners throughout the region.
Based in Llanerchymedd, our family-run team works across multiple locations, combining over 50 years of experience with a structured, safety-led approach. Whether you are planning a home upgrade, expanding your living space, or starting a new build project, we provide consistent workmanship and clear communication across every area we serve.
Use the sections below to find your local area and explore how we can support your project.
Areas We Cover
We provide trusted building services across Anglesey and surrounding Gwynedd locations, covering both local villages and larger towns.
- Llanerchymedd
- Anglesey
- Pwllheli
- Porthmadog
- Caernarfon
- Bangor
Local Trusted Experts
As experienced building contractors across Anglesey and Gwynedd, we understand the importance of trust, consistency, and local knowledge when managing construction projects.
Our team brings together decades of hands-on experience in joinery, structural work, and full project management. We operate with a strong focus on safety, compliance, and organisation, ensuring every project is completed to a high standard regardless of location.
We regularly work in a variety of environments, including residential areas and more complex regulated sites. Our structured approach ensures reliable timelines, clear communication, and a smooth experience from start to finish.
Why Choose AJ Building Contractors?
Choosing the right contractor is essential when planning construction work. Homeowners across Anglesey and Gwynedd choose us for our experience, reliability, and structured approach.
- Over 50 years of combined construction experience
- Family-run business with hands-on leadership
- Majority of work completed in-house for quality control
- Fully trained in health and safety and site compliance
- Clear pricing with free, detailed estimates
- Strong reputation for dependable service
We focus on delivering consistent results across every location we serve, ensuring each project meets the same high standards.
Frequently Asked Questions
Do you cover all areas of Anglesey?
Yes, we provide building services across Anglesey, including Llanerchymedd and surrounding towns and villages.
Do you work in Gwynedd as well?
Yes, we also cover key areas in Gwynedd, including Pwllheli, Porthmadog, Caernarfon, and Bangor.
How far will you travel for a project?
We typically work across Anglesey and nearby Gwynedd locations. For larger projects, we may consider further areas depending on scope and scheduling.
Can I request a quote from my location?
Yes, we offer free estimates for all service areas. Simply get in touch and we will arrange a consultation.
Do you provide the same services in every location?
Yes, we offer our full range of services, including refurbishments, extensions, and new builds across all locations we cover.
Start Your Building Project with Confidence
Choosing the right builder is one of the most important decisions you will make when planning a refurbishment, extension, or new build. At AJ Building Contractors, we combine experience, clear communication, and a structured approach to deliver reliable results across Anglesey and Gwynedd.
Whether you already have detailed plans or are just exploring your options, our team is here to guide you through the next steps. We offer honest advice, transparent pricing, and a straightforward process designed to give you confidence from the very beginning.
Telephone: 01248661401
Mobile: 07414296131
E-mail: info@ajbuildersltd.uk
Address: 15 Bryncir Estate, Llannerchymedd, Anglesey, LL71 8EQ.