Whether you're looking to enhance a house with flat conversions, create a shared living environment through our HMO conversions, or restore a barn utilising our barn conversions expertise, JMJ Architectural Design provides tailored design solutions catering to your needs. If you're keen on maximizing your property's potential, we also offer garage conversions and loft conversions to optimize existing spaces. From the initial consultation to handling Planning Applications and drafting Building Regulations drawings, we are here to support you at every stage with clear guidance and thoughtfully designed solutions.


Every property offers unique opportunities, which is why each conversion project—whether it’s barn conversions, flat conversions, garage conversions, HMO conversions, or loft conversions—begins with a clear understanding of your goals.
Whether you aim to create additional accommodation through loft conversions, maximise the value of your investment with HMO conversions, or make better use of an existing building with flat conversions or garage conversions, we take the time to comprehend your objectives before developing a design that is practical, compliant and tailored specifically to your project.
From your initial consultation through to planning applications and building regulations drawings, we will guide you through every stage with clear advice, honest communication, and thoughtfully designed solutions for barn conversions and other types of conversions alike.
Every property has the potential to be transformed. Whether you're creating additional living space, converting an existing building or maximising the value of your investment, we provide carefully considered design solutions tailored to your project.
Explore some of the most common types of property conversions we design, each created to make the best use of your existing property while meeting your individual requirements.

Converting a property into self-contained flats is an excellent way to maximise its potential. We'll create practical layouts that make the best use of the available space while guiding you through Planning Applications and Building Regulations.

A well-designed HMO provides comfortable, functional accommodation while making the most of your investment. We'll develop layouts that work for modern living while helping ensure your project meets the relevant standards.

Barn conversions combine traditional character with modern living. We'll retain the features that make your building unique while creating a practical home designed around the way it will be used.

A loft conversion is one of the most effective ways to create additional living space without extending your home's footprint. We'll design a layout that feels like a natural extension of your existing property.

Converting an underused garage can provide valuable extra space for a home office, bedroom, playroom or additional living area. We'll create a design that integrates seamlessly with your existing home.

Change of Use application can unlock the potential of an existing property. We'll guide you through the planning process and develop practical design solutions tailored to your project.
Every property is different and many conversion projects don't fit neatly into one category. During your initial consultation, we'll discuss your ideas, assess your property and help you understand what's achievable.
Whether you're considering a barn conversion, creating additional accommodation or looking to maximise the potential of an existing property, we'll provide straightforward advice and guide you through the next steps.
Whether you're planning a home extension or designing a brand-new home, discover how JMJ Architectural Design can help bring your ideas to life.