PROFESSIONAL BUILDING & RENOVATION SERVICES IN CARDIFF
At SJH & Sons, we specialise in building and renovation services in Cardiff. We deliver high-quality craftsmanship for homes and businesses, from loft conversions to full refurbishments. We create stunning, functional spaces tailored to your needs.
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Get in touch today to discuss your project.

PROFESSIONAL SERVICE
​MANY YEARS’ EXPERIENCE
FULLY COMPLIANT
COMPREHENSIVE HOME RENOVATIONS
We offer complete home renovation services, transforming properties with expert craftsmanship and attention to detail. Our team handles everything from property refurbishments to full structural renovations, ensuring a smooth and stress-free experience. Whether you need internal layout changes, new flooring, or modernised interiors, we create stunning results tailored to your style. Our home renovation solutions enhance functionality and aesthetics, making your space more comfortable and valuable. Trust our expertise to bring your renovation vision to life.
EXPERT LOFT CONVERSIONS & EXTENSIONS
Maximise your home's potential with our bespoke loft conversions and house extensions. We design and build stylish, functional spaces that complement your home's architecture. Whether you need a dormer, Velux, or mansard loft conversion, we ensure a seamless transformation. Our house extensions, including single-storey, double-storey, and rear extensions, provide additional living areas while increasing property value. From initial planning to completion, we deliver high-quality, expertly finished spaces tailored to your requirements.


STYLISH KITCHENS & BATHROOMS
Transform your interiors with our custom kitchen and bathroom installations. We create bespoke kitchens with high-quality finishes, modern appliances, and efficient layouts. Whether you prefer a traditional or contemporary design, we are perfect for your home. Our luxury bathrooms feature high-end fixtures, wet rooms, and ensuite solutions designed for relaxation and practicality. We enhance your home's functionality and aesthetics with expert craftsmanship and premium materials, delivering stunning, long-lasting results.
CUSTOM JOINERY & BESPOKE CABINETRY
Our skilled craftspeople design and build bespoke cabinetry, fitted wardrobes, and custom storage solutions. Whether you need built-in shelving, handcrafted furniture, or personalised storage solutions, we ensure every detail is meticulously crafted. Our expert joiners create pieces that seamlessly integrate with your interiors, adding beauty and functionality. From modern designs to classic woodwork, we provide tailored solutions that elevate your living spaces. Experience the perfect blend of practicality and style with our bespoke joinery services.
