Business Details
Your Trusted Supplier for UPVC and Composite Doors in Hemel Hempstead
DNK Services is a leading supplier of high-quality composite doors, UPVC doors, and door panels across the UK. Established with a commitment to providing affordable yet durable solutions, we work directly with one of the country's largest manufacturers to offer competitive pricing without compromising on quality. Our product range includes security-focused double glazing, bespoke composite doors, and infill panels designed to meet specific customer requirements. With over a decade of experience in the industry, our team combines technical expertise with customer-centric service, offering comprehensive support from product selection to installation guidance.We pride ourselves on delivering energy-efficient solutions that enhance property value while reducing energy costs. Our dedication to quality is evidenced by manufacturer-backed guarantees and a track record of satisfied customers who consistently praise our precision, reliability, and exceptional after-sales service.
Services
Composite Doors
UPVC Panels
Door Installation
Double Glazing
Security Products
Door Repairs
Bifold Doors
Canopy Systems
Window Accessories
Custom Designs
Highlights and features
- We offer factory-direct pricing on all composite and UPVC door solutions
- Our products feature multi-point locking systems for enhanced security
- We provide detailed installation guides and technical support
- All products come with manufacturer-backed 5-10 year guarantees
- We supply to both trade and DIY customers nationwide
Associations and certifications
- Certass
- HIP Insurance
What people say
Perfect fit
Excellent service
Fast delivery
Great quality
Highly recommended
Services
Composite Doors
Our composite doors combine advanced security features with thermal efficiency. Manufactured to meet FD30 fire safety standards, these doors feature multi-point locking systems and 10-year manufacturer guarantees. Available in 12 woodgrain and solid colours with optional glazed designs, they provide enhanced security while reducing energy bills through superior insulation properties.
UPVC Door Panels
Custom-manufactured UPVC door panels offer cost-effective door upgrades. Available in white or woodgrain finishes with various glazing options, these panels meet BS5750 quality standards. The 3.5-ton pressed construction ensures durability while maintaining colour stability against UV exposure, making them ideal for both DIY replacements and professional installations.
Double Glazing Repairs
We provide comprehensive double glazing repairs for UPVC and aluminium windows. Services include misted unit replacement, lock repairs, hinge adjustments, and security upgrades. Our technicians handle all components from handles to fire escape hinges, with no call-out fees for Hemel Hempstead and surrounding areas.
Security Products
Our security range includes high-security door cylinders, multipoint locking systems, and safety restrictors. Products from Era and Fab'n'Fix brands ensure compliance with UK security standards. We offer both supply-only and installation services for enhanced home protection against forced entry and burglary attempts.
Door Installation
Professional installation services available for composite doors and UPVC panels in Hemel Hempstead. Our certified installers ensure precise fitting with manufacturer-backed guarantees. We provide pre-installation measuring guides and post-installation support for both residential and commercial properties across Hertfordshire.
Questions
What types of composite doors do you offer?
We offer 4-panel, 2-panel, and custom composite doors in 12 colours with various glazing options including diamond lead, square lead, and half-arch designs.
Do you provide installation services nationwide?
We supply products nationwide but offer installation services only in Hemel Hempstead and surrounding Hertfordshire areas.
What guarantees apply to your products?
All products carry 5-10 year manufacturer guarantees covering discoloration and structural integrity, backed by Certass certification.
Can I get custom-sized door panels?
Yes, we manufacture made-to-measure door panels in various thicknesses (20mm-36mm) with MDF reinforcement for precise fitting requirements.
How do I measure for door panel replacement?
We provide detailed measuring guides for door panels, cylinders, and thresholds. Our team offers technical support for accurate DIY installations.
What security features do your doors have?
Our doors include multipoint hook locking systems, high-security cylinders, and reinforced frames meeting Secured by Design standards.
