Find the Best Door & Window Contractors in Penzance

We are experts in conservatory roof replacement, conservatory installation and offer a full home improvement service for your property. We cover the whole of Cornwall, supplying and installing the best quality windows, doors and conservatories.

At Origin Double Glazing, we are dedicated to supplying and installing premium uPVC, aluminium, and composite solutions across Cornwall. Our range includes high-quality windows, bi-fold doors, and secure composite doors, all designed to enhance security, energy efficiency, and aesthetics. With expert craftsmanship and reliable service, we help homeowners upgrade their living spaces with durable, stylish solutions.

Collington & Co & Company is a trusted Cornish home improvement specialist established in 1969. We design and install bespoke conservatories, double-glazed windows, and doors, combining quality craftsmanship with energy-efficient solutions. Our family-run team prioritises customer satisfaction through honest advice, competitive pricing, and a 10-year guarantee on all installations.

CTG Windows supplies and installs energy-efficient windows, doors, and conservatories in Hayle, Cornwall. We combine British-made products with expert installation to enhance home comfort, security, and value. Our services include bespoke design consultations, competitive pricing, and a 10-year guarantee for all installations.

H & R Windows is a Cornish company specialising in the supply and installation of double glazing, uPVC windows, doors, conservatories, and building services. With over 30 years of experience, we deliver energy-efficient, secure solutions tailored to residential properties. Our Certass certification and 10-year insurance-backed warranties underscore our commitment to quality and regulatory compliance.