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Construction and Building Solutions in St Austell: Skilled Builders & Architectural Design Services

Our experienced builders in St Austell deliver top-tier construction services, including home extensions, renovations, and design expertise, guaranteeing superior workmanship and full adherence to local building standards.

🏡 Enhancing Homes and Properties in St Austell with Professional Craftsmanship

We are a reliable building company based in St Austell, delivering premium construction services and specialist architectural design solutions throughout Cornwall. Whether you’re undertaking a new build, an extension, or a renovation project, our experienced builders and design experts are committed to turning your ideas into reality with accuracy and outstanding quality.

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🛠️ Extensive Building Solution in St Austell

With more than ten years of experience, we specialise in a broad spectrum of construction projects in St Austell. Our dedicated team oversees every stage, from initial design and planning through to final completion, delivering a smooth process and exceptional outcomes. We provide:


  • 🏗️ New Build Projects in St Austell – Crafting custom homes designed specifically to meet your requirements from start to finish.
  • 🏡 Home Extensions in St Austell – Increase your living area with professionally planned and constructed extensions.
  • 🔨 Property Renovations in St Austell – Upgrade and revitalise your home with premium renovation services.
  • 🏠 Conversion Projects in St Austell – Reimagine existing spaces into practical and stylish living environments.


Our seamless integration of design and building services guarantees that every project is executed to the highest quality, blending expert craftsmanship with effective project coordination.

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📐 Professional Building Services & Architectural Design in St Austell

As one of the trusted construction firms in St Austell, we offer a complete range of services to guide your project from concept through to completion. Our comprehensive expertise covers:


  • 📜 Planning & Design Support: We take care of planning permissions and building regulation compliance, ensuring everything meets local requirements.
  • 🎨 3D Design Visuals: Visualise your project in stunning detail before the build begins with our professional 3D renderings.
  • 📋 Full Project Management: We oversee the entire construction journey, from sourcing quality materials to coordinating skilled tradespeople—making the process smooth and hassle-free.
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🏠 Sustainable and Energy-Efficient Building in St Austell

We place sustainability at the heart of our building practices in St Austell, delivering energy-efficient and eco-conscious solutions for every project. Our environmentally friendly construction services include:


  • ♻️ Sustainable Materials – We carefully select eco-friendly building materials to minimise environmental impact.
  • 💡 Energy-Efficient Design – Our architectural layouts are developed to optimise natural light and thermal efficiency.
  • 🌱 Green Technology Integration – We offer the option to include solar panels, heat pumps, and other renewable energy systems in your build.
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👷 Reliable Builders in St Austell – Skilled Craftsmanship & Local Knowledge

Finding a reliable building contractor in St Austell isn’t always easy. That’s why we focus on providing transparent, fairly priced services backed by a strong reputation for quality. Our deep understanding of construction regulations in Cornwall and commitment to excellence make us stand out from other builders in St Austell. Why partner with us?


  • 📍 Local Expertise: We know St Austell’s planning requirements inside out and liaise closely with local authorities to simplify the approval process.
  • 🛠️ Exceptional Workmanship: Our experienced tradespeople use top-grade materials and proven methods to deliver durable, high-quality results.
  • 🤝 Client-Focused Service: We work collaboratively with each client, tailoring every project to your individual vision and requirements for complete peace of mind.
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⭐ Client Testimonials ⭐


trevaskis design solutions customer testimonials star rating

It was a pleasure to work with Rob who helped us plan our kitchen extension. He was very professional, responsive and flexible throughout the process and we would have no hesitation in using his services again.

Ben Perks

trevaskis design solutions customer testimonials star rating

Required help from Rob on planning and design issue's, good to say he's helped and consequently have followed through with a couple other designs that were pipe dream's but Rob has brought them to life ! Highly recommended

Claire Taylor

trevaskis design solutions customer testimonials star rating

Rob provided a great service in developing our plans for a single storey extension, which included guiding us through the planning process, developing professional drawings to submit for approval and arranging for structural designs. Throughout Rob was responsive, enthusiastic and hard working and I would recommend Trevaskis Design Solutions.

Craig Sullivan

trevaskis design solutions customer testimonials star rating

Rob has Been everything we would look for in an architect. Great vision, pragmatic and realistic, helpful, full of advice and very efficient. He helped us balance our vision for our extension with a healthy dose of realism to allow us to make the best decision for us. It’s a shame we are only extending once, because we’d definitely use his services again.

Gary Gray


St Austell Building & Construction FAQs – What You Need to Know


  • What building services do you offer in St Austell?

    We offer a complete suite of building services in St Austell, from bespoke new builds and expertly crafted extensions to comprehensive renovations and space conversions. Every project is delivered with meticulous attention to detail and workmanship tailored to your specific requirements.

  • Do you handle planning permissions and building regulations?

    Yes, we provide full support with planning applications and ensure that all construction work in St Austell meets current local building regulations. Our goal is to make the entire process straightforward and stress-free from start to finish.

  • How long does a typical building project take?

    Project durations depend on the scale and complexity of each build. We offer clear timeframe estimates during the initial consultation and maintain regular updates throughout the construction process to keep you informed every step of the way.

  • Can you provide a free quote?

    Absolutely! Contact us today for a no-obligation consultation and a detailed quote tailored to your project.

  • Do you offer eco-friendly or sustainable building options?

    Yes, our projects incorporate energy-efficient design principles and sustainable materials. We also specialise in integrating renewable energy options such as solar panels and heat pumps to enhance the eco-friendliness of your build in St Austell.

  • Can you work on listed buildings or properties in conservation areas?

    We have extensive experience working with listed buildings in St Austell and fully understand the specialised planning permissions and materials necessary for projects within conservation areas.

  • Do you work with both residential and commercial clients?

    Yes, we carry out building projects for homeowners, landlords, businesses, and property developers throughout St Austell and the nearby areas.

  • How do I get started with my building project?

    Simply get in touch with us to discuss your project. We’ll arrange a consultation to understand your needs, provide expert advice, and outline the next steps.

📞 Get a Free Quote for Your Building Project in St Austell

We’re proud to offer outstanding construction services across St Austell and the surrounding areas. Whether you’re planning a new home, expanding your existing property, or undertaking a renovation, our expert team is here to help.


📞 Contact us today for a free, no-obligation consultation! Our skilled builders and design specialists are ready to turn your vision into reality with professionalism, precision, and exceptional craftsmanship.