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2 story modern house design

Welcome to Simon Mack Architecture, a sustainable architectural studio located in the riverside market town of Henley on Thames in South Oxfordshire. We make architecture that lifts the spirits, transforms the way you live and lasts with minimal impact on the environment. Through a collaborative design process, we aim to think like you, then think for you. Start imagining what is possible.


As a Chartered RIBA architectural practice, Simon Mack Architecture is a team of highly skilled and experienced professionals; architects and designers who can transform your dreams into reality. Our expertise guides you through every facet of the design, planning, and construction process, whether you are embarking on the creation of a brand-new structure or seeking to adapt and enhance an existing property.

We have a passion for great design and we specialise in crafting distinctive and innovative spaces for Private Residential, Developer Residential, and Commercial projects. Our reach extends from London to Oxfordshire, Buckinghamshire, Berkshire and the surrounding counties.

Take a look at our Portfolio to see some examples of our designs.

We have a diverse project range and type including:


Private residential

Listed buildings



Architectural interiors




Multi use schemes

Community buildings

Community engagement

Kitchen design

Joinery design

Pre-fabricated | Off site construction

Oak Frame | Timber frame



Building Control

Principle designer

Contract administration

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“Jargon-free, thoughtful, a good listener, and excellent advice. Simon listens and hears our preferences, and is a helpful guide through the planning process.”

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