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    • Home
    • Extensions
    • Conversions
    • New Builds
    • Planning/Building Regs
    • Process
    • Portfolio
    • About
    • Contact
JM Johnson Architectural Design
  • Home
  • Extensions
  • Conversions
  • New Builds
  • Planning/Building Regs
  • Process
  • Portfolio
  • About
  • Contact

+ Property Conversion Design

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.

Bespoke barn conversion transforming a traditional building into a contemporary home in Essex.
Watercolour architectural illustration of a contemporary barn conversion with open-plan living space

Every Property Has Potential

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.

Types of Property Conversion Projects

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.

Watercolour architectural illustration of a residential flat conversion designed to maximise living

Flat Conversions

Flat Conversions

Flat Conversions

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.

Watercolour architectural illustration of an HMO conversion designed for modern shared living in Ess

HMO Conversions

Flat Conversions

Flat Conversions

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.

Watercolour architectural illustration of a contemporary barn conversion in Essex.

Barn Conversions

Flat Conversions

Barn Conversions

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.

Watercolour architectural illustration of a loft conversion creating additional living space in Esse

Loft Conversions

Garage Conversions

Barn Conversions

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.

Watercolour architectural illustration of a garage conversion designed for modern family living in E

Garage Conversions

Garage Conversions

Garage Conversions

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.

Watercolour architectural illustration of a change of use project converting an existing building in

Change of Use

Garage Conversions

Garage Conversions

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.

Not Sure What's Possible?

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.

Explore Our Other Services

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.

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Home Extension Design

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New Build Homes

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Planning & Building Regs

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Providing architectural design services across Essex and the surrounding areas, specialising in home extensions, conversions, new build homes, Planning Applications and Building 

Regulations.


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JMJ Architectural Design LTD

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