J Harris Construction (Cornwall) Ltd

Bathroom Renovations

House Extensions

House Renovations

Kitchen Renovations

Loft Conversions

New Builds

FMB Approved Family Builders | J Harris Construction Ltd

At J Harris Construction (Cornwall) Ltd, we combine traditional family values with modern building expertise to deliver reliable, high-quality construction services across the Cornwall area. As proud FMB-approved builders, we’re committed to craftsmanship, transparency, and customer care. Ensuring every project is completed to the highest standard.

Proudly serving the local area, including Penzance, St Ives, Hayle and Penwith, we bring over 30 years of experience to every project we undertake. From house extensions to full-scale new house builds, when you choose J Harris Construction, you’re choosing a team that values craftsmanship, integrity, and your family’s comfort as much as you do.

House Extensions | Comprehensive Design & Build

Whether you’re looking to create additional living space, extend your kitchen, or add a new room for a growing family, our comprehensive house extensions are designed to make the process simple and stress-free. At J Harris Construction (Cornwall) Ltd, we handle everything from planning and permissions to design and construction. Ensuring your new house extension integrates seamlessly with your existing home.

With a focus on quality craftsmanship and smart design, we deliver extensions that enhance both the value and comfort of your home.

Expand your home with confidence. And let our team manage every stage of your house extension from concept and design to planning and building.

House Builder | Trust J Harris Construction Ltd

Building a new home is one of the most significant projects you’ll ever undertake, and our house builders are here to make that journey smooth, enjoyable, and fulfilling.

At J Harris Construction (Cornwall) Ltd, we offer a full new-build service, delivering homes that reflect your style, meet your needs, and exceed your expectations. Whether you’re building your dream home or developing a new property, we provide a dependable full-build service. With careful attention to detail and a reputation for quality, we ensure every new build is crafted to last and tailored to your needs.

Loft Conversions | Maximum Space, Maximum Comfort

Transforming an unused loft into a bright, versatile living area is one of the most effective ways to add space and value to your home. Our bespoke loft conversions are designed to unlock the full potential of your property.

Whether you are thinking of an extra bedroom, home office, playroom, or somewhere to escape the hustle and bustle of life, our loft conversions combine style and comfort. Creating light-filled spaces that enhance your home.

Kitchen Renovations | Where Style Meets Functionality

Our kitchen renovations bring together thoughtful design, premium finishes, and practical layouts to create the heart of your home. From modern open-plan spaces to timeless classic styles, we tailor every kitchen to suit your lifestyle and personal taste.

We assist with layout planning, cabinetry, worktops, flooring, lighting, and all finishing touches. Ensuring your new kitchen is both visually stunning and perfectly suited to everyday use. Trust us for your kitchen renovations – where smart design and quality craftsmanship meet seamlessly.

Complete Bathroom Renovations

At J Harris Construction (Cornwall) Ltd, we specialise in transforming tired bathrooms into elegant, functional spaces built for relaxation and convenience. Whether you’re updating a compact bathroom, creating a new ensuite, or renovating a family bathroom, we handle every detail of your bathroom renovations with care and expertise.

Managing everything from plumbing to electrics and the finishing touches, we deliver a beautifully crafted room that blends durability with style. From modern wet rooms to traditional luxury designs, we tailor each bathroom renovation to suit your lifestyle and budget. With J Harris Construction, your bathroom becomes a space you’ll love to spend time in every day.

House Renovations | Smart Designs for Modern Living

Whether you’re refreshing individual rooms or undertaking a full-property transformation, our house renovations are designed around you. Working closely with you, we can modernise layouts, improve energy efficiency, update aesthetics, and enhance overall style and comfort.

With an emphasis on thoughtful design, craftsmanship, and long-lasting quality, we help you create a home that meets today’s lifestyle needs while adding long-term value.

Refresh and elevate your home with tailored house renovations, designed for contemporary living. Trust J Harris Construction (Cornwall) Ltd to enhance both comfort and value.