All our doors come fitted as standard with high-security 3-star Ultion or ABS locks. Both options also include a guarantee of up to £2,000 if a break-in occurs through the lock.
The Harlington Black Composite Door delivers a durable entryway constructed with a solid composite panel that maintains its shape and deep black finish through wet winters and hot summers. This material composition blocks external drafts effectively, keeping interior temperatures stable and reducing reliance on continuous heating. Unlike painted timber alternatives that demand annual sealing, the factory-coated surface requires only occasional wiping with water and mild detergent to remove road grime and dust.
The door body integrates reinforced internal framing paired with robust locking hardware designed to resist forced access attempts. When evaluating black comp doors for security needs, homeowners typically prioritize this configuration because the dense core structure and tight perimeter seals prevent pry points from gaining leverage while simultaneously dampening street noise. The even weight distribution ensures consistent handle response and prevents hinge sagging over extended use.
Purchased as a supply-only component, the Harlington unit arrives pre-assembled and ready to fit directly into standard external door cavities. Self-installers benefit from the straightforward hanging procedure and adjustable rebates that accommodate varying frame thicknesses. The minimalist black aesthetic coordinates with both traditional stone façades and modern cladding systems, delivering a unified entrance without requiring additional finishing work.
Core Features
- Composite panel construction engineered for long-term impact and weather resistance
- Deep black factory finish that resists chipping, fading, and moisture absorption
- Reinforced framing structure with provisions for high-security locking mechanisms
- Simplified maintenance routine eliminating painting, varnishing, or seasonal treatment
- Supply-only format optimized for professional fitting or direct homeowner installation
Join thousands of happy customers
Join thousands of satisfied customers who choose us for high-quality doors, excellent value and reliable service.
High Security as Standard
Every door is fitted with a high-security 3-star Ultion or ABS lock for added protection. Both options include a guarantee of up to £2,000 if an intruder gains entry by breaking through the lock.
Rated Excellent Online
We’re proud to be rated excellent online—an excellent score for an installation company and a reflection of our commitment to outstanding service.

