About Us

"The Hallmark Glazed Extensions stamp of quality symbolises continuous unity of inspiring designs to evoke positive emotions that create a harmonious home living environment."
Marcus FitzGerald - Managing Director

Hallmark Glazed Extensions



The Hallmark head office is based in Hailsham, East Sussex, with client projects across Sussex, Hampshire, The Home Counties and beyond. Our friendly team includes knowledgeable designers, an experienced planning application coordinator, dedicated Installation team, and, client liaison administrator.


To establish a collective range of premium products and design services that create a unique home and garden living portfolio. Supported and delivered by a collaboration of dedicated, knowledgeable and passionate team members, and associated trusted specialist industry partners.

Hallmark Glazed Extensions Team
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To transform every client’s home by extending into the garden with an inspiring new living space that embraces the natural elements of being outdoors. Evoking feelings and emotions that enhance wellbeing, through awareness of relaxation, relationships and appreciation of living life in the present moment within the home environment.

Dedicated to providing a variety of high-quality products and services that go beyond expectations through customer service delivery, workmanship, home and garden lifestyle design inspiration.

Marcus FitzGerald - Managing Director - Hallmark Glazed Extensions

Marcus FitzGerald - Managing Director


At the centre of Hallmark are values associated with natural outdoor elements and reflective of how they inspire our team members to work together in order to help our clients improve wellbeing within the home environment, through the products and services we provide.

Hallmark Glazed Extensions - Air

Air: Flexible and open minded. 

Hallmark Glazed Extensions - Space

Space: Innovative and simple

Hallmark Glazed Extensions - Light

Light: Guide and inspire

Hallmark Glazed Extensions - Nature

Nature: Evolve and adapt

Hallmark Glazed Extensions - Fire

Fire: Focus and energy

Hallmark Glazed Extensions - Earth

Earth: Nurture and stable

Hallmark Glazed Extensions - Water

Water: Flow and cohesion

Have a question?

If you have a project in mind, you likely have lots of questions.

Give us a call on 01323 671007 or complete the form, tell us how we can help you and we'll get back to you as soon as possible.

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    Over 100 Years Experience
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    Hallmark Glazed Extensions - HIP
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    10 Year Guarantee
    Over 100 Years Experience
    Hallmark Glazed Extensions - Your Essential Guide

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    Hello - How can we help with your project? Please send details and we will contact you. Many thanks, the team at Hallmark Glazed Extensions