Business Details
Your Trusted Supplier of UPVC & Composite Doors in Hemel Hempstead
Established as a leading supplier of UPVC and composite doors, DNK Services has built a reputation for delivering quality products at competitive prices. Our extensive range includes door panels, bifold doors, and security accessories, all designed to meet the specific requirements of homeowners and trade customers. With over a decade of experience in the double glazing industry, we combine technical expertise with exceptional customer service, offering detailed measuring guides and installation support.Our products feature high-security glazing, thermal efficiency, and a 5-10 year guarantee backed by a major PVCu manufacturer. Customer testimonials highlight our reliable delivery, precise product specifications, and the transformative impact of our doors on property aesthetics.
Services
UPVC Doors
Composite Doors
Door Panels
Bifold Doors
Canopies
Carports
Double Glazing Repairs
Security Accessories
Highlights and features
- We offer high-security double glazing with anti-theft features.
- Our products are quality assured by leading PVCu manufacturers.
- We provide detailed measuring and installation guides for DIYers.
- All doors include a 5-10 year guarantee against discolouration.
- We deliver nationwide with fast lead times from order.
Associations and certifications
- Certass
What people say
Fitted perfectly
Excellent service
Looks great
Prompt delivery
Highly recommend
Services
Composite Doors
Our composite doors combine durability with aesthetic appeal, featuring reinforced cores and weather-resistant finishes. Available in multiple colours and designs, they enhance property security and insulation. Each door includes a multipoint locking system and a 10-year guarantee against fading.
UPVC Door Panels
Custom-made UPVC panels offer cost-effective door upgrades with thermal efficiency and low maintenance. They fit existing frames and come with a 5-year manufacturer's warranty. Installation guides ensure straightforward DIY fitting for homeowners.
Bifold Doors
Aluminium bifold doors provide seamless indoor-outdoor living spaces with slim frames and smooth operation. Available in bespoke sizes, they meet UK building regulations for energy efficiency and security.
Canopies & Carports
Durable canopies and carports protect vehicles and outdoor areas with powder-coated aluminium frames and toughened glass roofs. Custom-cut options ensure perfect fit for residential driveways and commercial premises.
Double Glazing Repairs
We repair misted units, broken locks, and damaged hinges for UPVC and aluminium windows. Services include replacement glass, security upgrades, and draught-proofing to restore functionality and energy efficiency.
Questions
Do you deliver products nationwide?
Yes, we offer delivery across the UK with fast lead times from order confirmation.
Are your products guaranteed?
Composite doors include a 10-year guarantee against discolouration. UPVC panels have a 5-year manufacturer's warranty.
Can I get help measuring for installation?
Yes, we provide detailed measuring guides and technical support for DIY installations.
Do you supply trade customers?
Yes, we offer discounted prices for trade professionals and volume orders.
What security features do your doors have?
All composite doors include high-security cylinders and multipoint locking systems as standard.
