Explore Door & Window Companies Serving Dartford

Sash Window Doctor Ltd. creates bespoke timber windows and doors in South East and East London. Specialising in sash and casement designs, we combine traditional craftsmanship with modern energy-efficient technology. Our Certass-certified installations come with a 10-year guarantee and insurance-backed protection.

Kent Composite Doors is a leading supplier of secure, energy-efficient composite doors in Dartford. We specialise in custom-designed entrances with advanced security features, offering 14-day installation and 10-year manufacturer guarantees. Our service covers Kent, London, Essex, Surrey and Sussex.

We are a specialist supplier and installer of highperformance uPVC and aluminium windows, doors, shutters and associated glazing solutions for homeowners and businesses. Our core offerings include bespoke window designs, energyefficient glazing, secure doors and custom shutters, all backed by expert installation and comprehensive aftercare. The primary purpose of our business is to enhance the comfort, security and aesthetic appeal of properties while delivering measurable energy savings and longterm durability.

Fortis & Hooke provides expert window and door conservation services, utilising our proprietary Longaevitas system to restore original timber features with precision. Our approach combines heritage preservation, modern efficiency enhancements, and rigorous quality assurance. We serve homeowners and historic properties nationwide, prioritising sustainability and long-term value over replacement.

A to Z Glazing provides expert commercial and domestic glass solutions, including fire-resistant windows, security glazing, and bespoke installations. Established in 1984, we serve schools, local authorities, and businesses across Kent and London, prioritising safety, compliance, and energy efficiency. Our services include emergency repairs, secondary glazing, and NHS staff discounts, backed by a 24-hour emergency service.