A substantial rectangular lantern for large kitchen-diners and open-plan extensions. The Meridian 1600 × 1800 delivers a commanding overhead presence with balanced diagonal glazing bars, ultra-low-line external aesthetics, and Thermlock® thermal technology. Built on the Infinity S1 system with full security specification.

Meridian Rectangular Roof Lantern — 1600 × 1800

A substantial rectangular lantern for spaces that demand presence. The SmartaView Meridian 1600 × 1800 fills large kitchen-diners and open-plan extensions with balanced natural light, while the diagonal glazing bar layout creates an overhead feature that feels both bold and refined.

The Infinity S1 system’s full security specification — including anti-tamper screws, enclosed glazing, security tape, patent-pending glass lock, and a high-security ridge end — is built in as standard. This isn’t an add-on; it’s engineered into the core design.

Manufactured using the Infinity S1 aluminium system with Thermlock® multi-chamber thermal technology and high-performance 28mm toughened safety glazing, the Meridian is a premium choice for extensions, kitchen builds, orangeries, and modern architectural projects.

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Key Features & Benefits

Thermlock® Thermal Technology
Multi-chamber thermal break with 28mm glazing delivers a centre pane U-value of 1.0 W/(m²K) — far superior to traditional 24mm polyamide systems. Keeps your home warm and energy bills low.

50mm Ultra-Slim Sightlines
Consistent 50mm rafter, hip, and ridge sightlines maximise the glass area, flooding your space with natural light while keeping the frame minimal.

Ultra-Low-Line External Profile
Rafter and hip top caps sit close to the glazing level, and corner end caps run perfectly in line with the perimeter — no unsightly angles, just clean contemporary lines.

Built-In Security Specification
Anti-tamper screws, enclosed anti-tamper glazing, security tape, patent-pending glass lock, and high-security ridge end. Laminate glass upgrade available.

Integral LED Light Channel
Built into the eaves beam perimeter as standard — add subtle mood lighting for a premium finish after dark.

Co-Extruded Perimeter Seal
Eliminates draughts and rain ingress for complete weather protection.

Toughened Safety Glass
28mm argon-gas-filled toughened safety glazing, BSEN1279 compliant, with double or triple glazed options.

Fast, Straightforward Installation
Delivered in kit form with all components checked and quality controlled. Comprehensive installation guide included.

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Ideal Applications

Generous rear extensions
Open-plan living areas
Large kitchen-diners
Conservatory replacements
Orangery builds

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Glass & Finish Options

Clear glazing for maximum light
Solar control glazing for improved heat management
Satin (privacy) glazing for overlooked spaces
Self-cleaning and acoustic glass available on request

Standard frame colours:
Pure White (RAL 9010)
Anthracite Grey (RAL 7016)
Jet Black (RAL 9005)

Bespoke RAL colours available (matt, satin, or gloss finishes)
Dual colour option — different interior and exterior frame colours

(Options and lead times vary — speak to a SmartaView expert for advice.)

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Built for Confidence

Every SmartaView roof lantern is built on the Infinity S1 aluminium system — proudly designed and manufactured in Britain.

Weather tested to BS6375-1, rated for a snow load of 1.2 kN/m² across the whole of the UK up to 200m altitude, and set at a 25° pitch.

Supplied with a manufacturer’s guarantee, each system is carefully specified and quality checked. Our team ensures full compatibility and clarity — so there are no surprises on site.

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Need Help or a Bespoke Size?

If this standard size doesn’t suit your project, SmartaView can help with bespoke roof lantern specifications, glazing advice, and full project support.

👉 Speak to a SmartaView expert
👉 Request a tailored quote