A contemporary expression of
historic English craftsmanship.
More than a
garden building.
Garden rooms have become increasingly popular, but most are designed with convenience, speed and standardisation in mind.
The Mullion House was created from a different philosophy.
Inspired by the craftsmanship and architectural language of England's historic stone buildings, every commission is individually designed and hand crafted from natural English lime stone. Rather than recreating the past, each building draws upon centuries of architectural tradition to create something entirely new – architecture that feels as though it belongs to its landscape from the day it is completed.
Whether it becomes a garden house, orangery, studio, entertaining space or somewhere simply to pause as a focal point, every commission begins with the same ambition: to create a building that will become more beautiful with time.
Inspired by England’s architectural heritage.
The quiet beauty of England's churches, estate buildings, follies and garden pavilions has endured for centuries, not because they were designed to impress for a moment, but because they were built with honesty, proportion and permanence in mind.
Those principles remain at the heart of every Mullion House.
Traditional stonemasonry, carefully considered proportions and natural materials come together to create architecture that respects its surroundings rather than competing with them.
A lifetime working
in stone.
The Mullion House is the work of award-winning stonemason Tristan Norton-Clarke.
“I’ve always admired the quiet permanence and beauty of England’s old stone buildings. They weren’t designed to stand out - they were designed to impress and stand the test of time. Centuries later, they still feel as though they’ve always belonged where they are and I love that about them.”
This belief became the foundation of The Mullion House.
Drawing on years of traditional stonemasonry working on cathedrals, churches and historic buildings, Tristan designs and crafts individually commissioned garden buildings inspired by the proportion, permanence and craftsmanship of historic English architecture.
Every commission is personally overseen from the first conversation through to the final piece of stone, ensuring each building is created with the same care and attention that has defined the craft for generations.
FAQs
Are all Mullion Houses bespoke?Yes. every commission is designed specifically for its setting. While architectural forms and details can provide inspiration, each building is individually developed to suit the landscape, the intended use and the preferences of the client.
What can a Mullion House be used for?Every commission is different. Some become peaceful garden retreats, while others are designed as entertaining spaces, studios, garden offices, dining pavilions or contemporary interpretations of traditional orangeries.
What materials are used?Each Mullion House is crafted from natural English limestone, hand-selected for its character, durability and timeless appearance. Traditional stonemasonry techniques are combined with carefully considered contemporary detailing to create buildings intended to endure for generations.
Can the design be customised?Yes. Window configurations, architectural detailing, proportions and the internal layouts can all be developed as part of the design process, allowing every Mullion House to respond naturally to its landscape and the way it will be used.
How does the design process begin?Every commission starts with a conversation. Rather than choosing from a catalogue, the process begins by understanding the landscape, the architecture of the existing property and how the building will be lived in. From there, the design develops into a truly individual commission.
How much does a Mullion House cost?Each commission is unique, so costs vary depending on the scale, complexity and level of architectural detailing.
Projects can begin from around £55,000, with the final investment depending on the individual size and design of the building.
Following an initial conversation, we’ll be able to advise more accurately on the options available.
Every commission begins with a conversation.
Whether you have a clear vision or just beginning to explore the possibilities, let's begin by talking about the place you want to create.