Classic Lead Designs

Classic lead designs are a timeless glazing option that brings traditional character and elegance to windows and doors. Inspired by historic craftsmanship, these designs replicate the look of individually leaded glass panes while being incorporated into modern sealed units for improved performance.

Classic lead patterns are available in a range of popular designs, including:

Diamond patterns for a heritage appearance

Square and rectangular grids for a clean, structured look.

Please see Classic Designs

Where They Are Used

Leaded sealed units are commonly installed in:

Front doors and entranceways

Bay and feature windows

Heritage and conservation properties

Replacement windows matching existing designs

Design Options

Leaded designs can be customised to suit a variety of styles:

Diamond patterns for a classic, traditional look

Square or rectangular grids for a more uniform appearance

Bespoke designs tailored to match existing windows

Available in natural lead, antique, or coloured finishes

Key Features

Traditional appearance with modern glazing performance

Suitable for uPVC, timber, and aluminium frames

Can be combined with clear or obscure glass for privacy

Sealed units improve thermal insulation and reduce heat loss

Durable and low maintenance compared to original leaded glass

Benefits

Enhances character and kerb appeal

Ideal for period and heritage-style properties

Maintains privacy while allowing natural light

Energy-efficient compared to older single-glazed leaded windows

Long-lasting and weather-resistant

Why Choose Leaded Sealed Units?

Leaded sealed units offer the perfect balance between traditional craftsmanship and modern performance. They allow you to preserve the charm and character of classic glazing styles while benefiting from improved insulation, security, and durability.

Stained Glass Encapsulation

We offer a specialist stained glass encapsulation service, combining traditional craftsmanship with modern glazing performance. Working closely with Leadcraft, we are able to preserve and protect original stained glass while upgrading it into a high-performance double-glazed unit.

Leadcraft carefully inspects, cleans, and restores the existing leadwork where required, ensuring the integrity and appearance of the original design is maintained. Once prepared, the stained glass panel is encapsulated within a sealed double-glazed unit, protecting it from the elements and everyday wear.

This process not only preserves the character and beauty of stained glass but also delivers the benefits of modern glazing, including improved energy efficiency, enhanced security, and reduced maintenance.

Ideal for heritage properties, period homes, and bespoke decorative features, stained glass encapsulation allows you to retain original details while upgrading to a more durable and practical solution for modern living.

Lead Encapsulated Glass

Examples of traditional stained glass panels carefully encapsulated within modern double glazed units, preserving original character while improving durability and performance.

Benefits include:

Traditional leaded look with a clean, modern finish

Low maintenance (no exposed lead to oxidise or deteriorate)

Improved thermal efficiency compared to single glazing

Protection of the lead design from weather and damage

Benefits include:Ideal for both residential and commercial properties

Imitation Lead (Overlay Lead)

Imitation lead, also known as overlay lead, is a modern decorative glazing solution designed to replicate the appearance of traditional leaded glass without the cost or maintenance of original leadwork. It is widely used in double-glazed units to achieve a classic look while maintaining energy efficiency.

Overlay lead consists of self-adhesive lead strips applied to the surface of the glass, creating patterns such as diamonds, squares, or bespoke designs. These strips are typically made from high-quality lead or lead-effect materials and are applied to one or both sides of the glass for a more realistic finish.

How It Works

Lead strips are carefully applied to the glass surface

Designs are aligned on both sides for a consistent look

Can be combined with coloured films for a stained glass effect

Installed onto sealed double or triple glazed units

This process creates the illusion of traditional leaded panes while keeping the glass as a single, high-performance unit.

Key Features

Realistic traditional leaded appearance

Suitable for modern double and triple glazing

Available in a range of widths, patterns, and finishes

Can be applied internally, externally, or both sides

Durable and weather-resistant

Self-adhesive lead profiles are designed for long-term use and can be applied to both interior and exterior glass surfaces

Benefits

Cost-effective alternative to traditional leaded glass

Low maintenance with no risk of lead fatigue

Maintains full energy efficiency of sealed units

Flexible design options to suit any property

Ideal for both new installations and replacements

Why Choose Imitation Lead?

Imitation lead offers the perfect balance between traditional design and modern performance. It allows you to achieve the timeless look of classic leaded glass without the drawbacks of older materials. Unlike traditional lead, imitation lead is applied directly to the glass surface, providing a consistent finish while improving durability and reducing maintenance.

It can be used within double glazed units, helping to enhance thermal efficiency and reduce heat loss, making it a practical choice for modern homes. Available in a range of styles, patterns, and colours, imitation lead can be tailored to suit both period and contemporary properties. With its clean appearance, long-lasting performance, and ease of upkeep, it provides a cost-effective way to add character and style to windows and doors.