Deceuninck 2800 Systems
High-performance modern casement system
The Deceuninck 2800 is a high-performance contemporary window system engineered for new-build, modern renovation and refurbishment projects where uncompromising thermal efficiency and security are non-negotiable.
With a 70mm sculptured profile, 6-chamber thermal break and the option of fully decorative or simple lipped sashes, 2800 delivers exceptional A++ energy performance and the cleanest sightlines in its class.
Why choose Deceuninck 2800 Systems
- 70mm 6-chamber profile — A++ rated as standard
- Sculptured contemporary lines suit modern renovations
- Choice of lipped or fully decorative sash
- A+ rated thermal performance for lower heating bills
- PAS24-accredited multi-point locking as standard
- 10-year insurance-backed workmanship guarantee
- Internally beaded for maximum security
- Whisper-quiet acoustic interlayer reduces external noise
- Maintenance-free finishes that look new for decades
- Surveyed, manufactured and installed by our own teams — never subcontracted
Engineered for performance
- Steel-reinforced frame and sash for long-term integrity
- High-grade co-extruded gaskets
- Yale multi-point locking
- Argon-filled soft-coat low-E sealed units
- Internally beaded, security-glazed
- Maintenance-free smooth-foil finishes
- Available with concealed trickle vents
Configurator
Mix and match colours, hardware and glass to suit your home.
Available finishes
Choose your style
- Side-hung casement
- Top-hung opener
- Tilt-and-turn
- Fixed light
- Bay
- Bow
Glass options
- Argon-filled double glazing — A+ rated
- Triple glazing for ultra-low U-values
- Acoustic interlayer for noise reduction
- Solar-control low-E coatings
- Decorative leaded, Georgian bar and stained options
- Obscure privacy glass for bathrooms
- Toughened safety glass to BS EN 12150
Furniture & hardware
- Yale multi-point locking with anti-snap, anti-pick, anti-bump cylinders
- Heritage monkey-tail and pear-drop handles
- Modern lever-action handles
- Concealed hinges with restrictor option
- Brass, chrome, satin and matt-black finishes
- PAS24:2016 Secured by Design accreditation
U-values down to 1.0 W/m²K with double glazing, 0.7 W/m²K with triple glazing — exceptional for a 70mm system. Ideal for self-build, Passivhaus-aspiring projects and high-spec renovations.
Engineered to protect
Yale multi-point shootbolt locking with PAS24:2016 accreditation, anti-snap cylinders and internal beading. Optional laminated glass for additional security on ground-floor openings.
Tailored to your home
Mix and match colours inside and out, specify ovolo or chamfered glazing bead, and choose between square or sculptured external profiles. Decorative astragal bars, leaded glass and Georgian configurations all available.
Property suitability
Modern semi-detached, detached and new-build homes; 1960s–1990s housing where contemporary lines suit the original architecture; high-performance renovations where energy efficiency drives the specification.
How we fit it
Every 2800 installation is surveyed by our specification team, manufactured to your exact size, then fitted by our own installers in 1–3 days. Aluminium cill, foam-and-silicone weatherproofing and full disposal of old units are included.
Frequently asked
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Like the Deceuninck 2800 Systems? Let's talk.
Free home survey across Staffordshire — typically booked within 48 hours.