Are You Looking for Door & Window Companies in Grantham?

DavesDoors is a family-run UK business specialising in made-to-measure composite and timber doors. We offer nationwide delivery and installation services, combining advanced design tools with traditional craftsmanship. Our reputation for quality, sustainability, and customer satisfaction has made us a trusted choice for homeowners and professionals alike.

New Window supplies and installs bespoke timber, timber alternative, uPVC, and aluminium windows and doors across Lincolnshire, Rutland, Nottinghamshire, Leicestershire, and Peterborough. With over 25 years of experience since 1995, we combine traditional craftsmanship with modern technology to deliver energy-efficient, secure, and aesthetically pleasing solutions. Our FENSA-certified installations come with insurance-backed guarantees, ensuring long-term reliability and customer satisfaction.

Vale Garden Houses specialises in crafting period-inspired conservatories, orangeries, and glazed extensions. With over four decades of expertise, we combine traditional architectural principles with contemporary construction techniques to create bespoke living spaces. Our nationwide service includes design consultations, factory tours, and tailored project support for residential clients seeking historically accurate yet functionally modern additions.

Belvoir Windows is a family-owned construction contractor based in Grantham, Lincolnshire, specialising in bespoke glazing solutions, conservatories, and exterior home improvements. Established in 1987, we combine traditional craftsmanship with modern techniques to deliver durable, energy-efficient installations tailored to residential properties. Our services include double/triple glazing, bi-fold doors, warm roof conservatories, and fascia replacements, all executed with a commitment to quality and customer satisfaction.

Architectural Bronze Casements creates handcrafted bronze windows, doors, and screens for residential and commercial projects worldwide. Our focus on sustainable materials, precision engineering, and bespoke design ensures enduring quality. With a heritage of collaboration and innovation, we serve architects, homeowners, and institutions seeking distinctive architectural solutions.

Avanti Windows is a Grantham-based window, door, and conservatory installation company established in 1988. We specialise in energy-efficient, secure solutions for residential and commercial properties, offering FENSA-registered services with a 10-year guarantee. Our team handles projects from design to completion, ensuring compliance with building regulations and client-specific needs.