CPPC Building Contractors | House Extensions, Conversions & Refurbishments in Hertfordshire

30+ Years of Experience • Free Quotes • High Quality Building Services 

Welcome to CPPC Building Contractors, your trusted local builders in Hertfordshire. We specialise in high-quality house extensions, loft conversions, garage conversions, basement conversions, and full home refurbishments. With over three decades of experience, we provide professional, reliable building solutions that help homeowners across Hertfordshire improve, expand, and enhance their living spaces. Whether you’re in Boxmoor, Adeyfield, or Leverstock Green — we’ve got you covered.

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Our Services

About CPPC Building Contractors

Founded in January 2025, CPPC Building Contractors brings over 30 years of building experience to homeowners in Hertfordshire and the surrounding areas. We pride ourselves on offering mid-to-premium quality construction, honest communication, and unbeatable customer service.

Our focus is on building long-term value through expert craftsmanship and attention to detail. We handle everything from planning to completion and work closely with you to bring your vision to life — on time and within budget.

Why Choose Us

✔ 30+ years of industry experience
✔ Based locally in Hertfordshire
✔ Free, no-obligation quotes
✔ Free windows and doors included with selected projects
✔ Highly rated on Google by Hertfordshire homeowners

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Our Building Services in Hertfordshire

House Extensions

Add valuable space to your home without moving. Our house extension services in Hertfordshire are perfect for growing families or anyone looking to increase their home’s footprint. We offer single-storey, double-storey, side, and rear extensions, all tailored to suit your property’s style and your budget.

Garage Conversions

Transform your garage into a functional living space. Whether you need a home office, guest bedroom, or gym, our garage conversions in Hertfordshire are fully insulated, designed to building regulations, and come with free windows and doors included.

Loft Conversions

Make the most of your attic space with a custom loft conversion. We offer dormer, hip-to-gable, and Velux loft conversions across Hertfordshire, giving you a bright, spacious new room with free windows and doors as part of the package.

Basement Conversions

Reclaim unused space below your home with our expert basement conversion service. Whether it’s a home cinema, wine cellar, or extra bedroom, we’ll deliver a dry, well-lit, beautifully finished result tailored to your needs.

Home Refurbishments

From kitchens and bathrooms to full property overhauls, our refurbishment services in Hertfordshire include plastering, tiling, flooring, rewiring, and more. Ideal for updating tired interiors or preparing your property for sale.

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Get in Touch Today

Thinking about extending or upgrading your home in Hertfordshire? Get in touch with CPPC Building Contractors for a free quote and friendly expert advice. We’re here to help you bring your ideas to life with honest guidance and outstanding results.