Business Details
Expert Window & Door Installations in Derby
Capital Windows has established itself as a trusted provider of high-quality window and door installations, conservatory roof replacements, and home extensions across Derby and the surrounding areas. Founded on a foundation of over 100 years of combined experience, our team of certified professionals holds accreditations from industry-recognised bodies including FENSA, Gas Safe, and NIC EIC. We specialise in delivering tailored solutions such as Veka Storm casement windows, SupaLite conservatory roofs, and Origin bi-folding doors, all designed to enhance both the aesthetic appeal and energy efficiency of residential properties.Our commitment to excellence is reflected in our partnerships with leading manufacturers and our status as the only approved Veka installer in the Midlands. With a focus on precision, durability, and customer satisfaction, we provide comprehensive project management for home improvements ranging from simple double-glazed unit replacements to full-scale extensions. Our dedication to quality is underscored by warranties on products like our 20-year guarantee bi-folding doors, ensuring homeowners receive dependable, long-lasting results.
Services
Windows
Doors
Conservatory Roofs
Home Extensions
Bi-Folding Doors
Loft Conversions
Porches
Garage Conversions
Fitted Kitchens
Fitted Bathrooms
Highlights and features
- We have over 100 years of combined experience in window and door installations.
- Our team holds accreditations from FENSA, Gas Safe, and NIC EIC.
- We offer energy-efficient solutions that save up to 50% on energy bills.
- Our bi-folding doors come with a 20-year guarantee for durability.
- We are the only approved Veka installer in the Midlands.
Associations and certifications
- FENSA
- Gas Safe
- NIC EIC
What people say
Professional installations
Energy savings
Expert project management
Quality products
Improved aesthetics
Services
Windows
Capital Windows provides a range of high-quality window installations designed to improve energy efficiency and security. Our offerings include Veka Storm casement windows and Residence 9 options suitable for both modern and traditional homes. Expert installation ensures tailored solutions that enhance property aesthetics and thermal performance while meeting individual needs.
Doors
We offer durable and secure door installations featuring reinforced GRP and insulating foam for enhanced safety and thermal efficiency. Available in multiple colours and decorative glass options, our doors combine durability with visual appeal to complement diverse architectural styles. Each installation includes advanced locking systems with manufacturer-backed guarantees for added peace of mind.
Guardian Warm Roof System
Our Guardian Warm Roof System transforms existing conservatories by replacing glass or polycarbonate roofs with insulated solid alternatives. This solution improves year-round usability by maintaining comfortable temperatures in both winter and summer. The system adds property value through its energy-efficient design and includes vaulted ceilings with LED lighting for a spacious, modern finish.
Home Extensions
We deliver comprehensive home extension projects, from bespoke designs to complete construction, tailored to modern living requirements. Our approach covers all stages from planning to project management, ensuring seamless integration with existing structures. Services extend to listed properties and complex conversions while maintaining compliance with building regulations.
Bi-Folding Doors
Origin aluminium bi-folding doors combine sleek design with exceptional performance, featuring thermal efficiency, robust security features, and a 20-year guarantee. The slimline OB-49 model boasts a 49mm sightline, 8-point locking system, and a U-value of 1.2 for optimal insulation. These high-end products enhance property aesthetics while providing seamless indoor-outdoor living transitions.
Questions
What services does Capital Windows Derby offer?
We provide window and door installations, conservatory roof replacements, home extensions, bi-folding doors, porches, loft conversions, and bathroom/kitchen installations across Derby and surrounding areas.
Are your window and door installations accredited?
Yes, we hold FENSA, Gas Safe, and NIC EIC accreditations to ensure compliance with industry standards for quality and safety.
Do you offer energy-efficient solutions?
Yes, our double-glazed unit replacements can save homeowners up to 50% on energy bills through improved thermal efficiency.
What guarantees do you provide?
Our Origin bi-folding doors come with a 20-year guarantee, and all installations are supported by our commitment to quality and customer satisfaction.
How far do you travel for projects?
We serve clients within a 25-mile radius of Derby, covering Derbyshire, Nottingham, and Burton-on-Trent.
Can you handle listed property renovations?
Yes, we have experience working on Grade 1 and Grade 2 listed properties, ensuring compliance with conservation requirements while delivering modern solutions.
