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Business Details
49 Years
experience
Your Trusted Home Improvement Partner in Knaresborough
Established in 1977, Niddal Windows has built a reputation as a trusted provider of high-quality home improvement solutions across North and West Yorkshire. As a family-owned business operating for over four decades, we combine traditional craftsmanship with modern innovation to deliver bespoke windows, doors, conservatories, and garden rooms tailored to individual homeowner needs. Our team of experienced professionals prioritises attention to detail, offering expert guidance through every stage of the project, from initial design to final installation. Backed by industry accreditations including TrustMark and FENSA registration, we ensure all installations meet rigorous standards for security, energy efficiency, and durability.

With a dedicated showroom in Knaresborough, we provide comprehensive consultations, competitive pricing, and ongoing maintenance services to preserve the longevity and aesthetic appeal of every installation. Our commitment to customer satisfaction is reflected in our transparent processes, from detailed measurements and contract agreements to clean, efficient installations that respect homeowners' properties.
Services
Casement Windows Flush Casement Windows Sliding Sash Windows uPVC Doors Composite Doors Conservatories Garden Rooms Aluminium Windows Aluminium Doors Conservatory Roofs
Details
  • Year established: 1977
Highlights and features
  • Over 40 years of local experience in Yorkshire home improvements
  • Bespoke designs tailored to individual property requirements
  • FENSA-registered installations ensuring regulatory compliance
  • Comprehensive repair and maintenance services available
  • Family-owned business with showroom-based consultations
Associations and certifications
  • TrustMark
  • FENSA
  • HomePro Insurance Guaranteed
What people say
Helpful and friendly Superb product Excellent customer service Top notch quality Highly recommend
Services
Conservatories
Our bespoke conservatories offer versatile living spaces that blend seamlessly with traditional and contemporary properties. Available in Victorian, Edwardian, lean-to, and gable-end designs, each structure features thermally efficient glazing and customisable finishes. The performance model incorporates super-insulated columns for year-round usability, while designer options focus on aesthetic excellence. All installations include weatherproof engineering and low-maintenance materials.
Garden Rooms
Crafted garden rooms provide year-round retreats with solid roofs, independent electrical systems, and thermal efficiency. These structures feature sturdy concrete foundations, utility-ready wiring, and customisable window/door configurations. Ideal for home offices, gyms, or entertainment spaces, installations prioritise minimal disruption to main residences while maintaining aesthetic integration with existing properties.
Conservatory Roofs
Upgrade existing conservatories with thermally efficient roofs including tiled (Ultraroof), glass (Ultrasky), and solid (Livinroof) options. Each system improves energy performance while maintaining structural integrity. Tiled versions offer enhanced insulation, glass models maximise natural light, and solid alternatives provide superior privacy. All replacements comply with modern building regulations without requiring tie bars.
Aluminium Windows
Durable aluminium windows combine slim frames with expansive glazing areas for contemporary properties. Available in casement, tilt-and-turn, and sliding sash configurations, these units feature multi-point locking systems and thermally broken profiles. Custom RAL colour finishes and decorative glass options allow tailored integration with heritage and modern buildings alike.
Composite Doors
Security-focused composite doors integrate GRP skins with polyurethane cores for enhanced insulation. Available as front/back entry points or patio configurations, all models include multi-locking systems and weather-resistant thresholds. Customisation extends to ironmongery finishes, glazing patterns, and threshold designs that complement both period and contemporary architecture.
Questions
Do conservatory installations require planning permission?
Most conservatories fall under permitted development rights but must meet specific criteria regarding size, height, and separation from main dwellings.
How long does a typical conservatory installation take?
From initial consultation to completion, installations typically require 8-12 weeks depending on design complexity and weather conditions.
Can garden rooms be used as home offices?
Yes, our garden rooms include independent electrical systems and thermal insulation, making them ideal for year-round workspace solutions.
What warranty applies to window installations?
All installations come with manufacturer warranties covering materials and workmanship, typically ranging from 10-20 years depending on product type.
Are financing options available for home improvements?
Currently we don't offer direct financing, but our competitive pricing and staged installation options help manage project costs.
Do you provide repair services for existing installations?
Yes, we offer comprehensive repair services including sealed unit replacement, lock upgrades, and general maintenance for all product types.