
Welcome to JSJ Design
We are an architectural design firm based in Redruth, Cornwall. JSJ Design specialises in both architectural design and structural engineering for both large and small residential houses in Cornwall.
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​Our Services
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Architectural Design
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We provide creative, functional designs and handle everything from initial concept to final planning applications and building regulation submissions.
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We produce architectural plans for home extensions, conversions and new builds.
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Structural Engineering is provided 'in house' for any architectural services, saving our clients time and money.
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Structural Engineering
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At JSJ Design we provide standalone structural engineering services, delivering flexible and tailored solutions for your project.
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Our expertise ensures that structures are safe, compliant and efficiently designed.
​Let's Discuss Your Project

Structural Engineering
Our structural engineering services cover any size project and we’ll design a solution based on individual requirements. We work to the demands of the project and whether you are a homeowner or an industry professional such as an architect, designer or building contractor we’ll be happy to chat through your requirements and offer advice.
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Extensions
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New dwellings
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Single or multiple developments
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Loft conversions
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Internal reconfigurations
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Beam design
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Bespoke steelwork
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Traditional cut roofs
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Structural floors
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Retaining walls
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Rafts
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Groundworks covering adverse ground conditions, including mining features.
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Solar panel structural reports
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Timber frames
Architectural Design
How it works
Initial Discussion
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We discuss your project, goals and design preferences and advise on planning permissions.
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We outline the process and answer any questions you may have.
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Site Survey
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We visit your property to take a measured survey and where necessary may commission a topographical survey.
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We consider space, layout and how the new design will integrate with your home.
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Design and Planning
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We create initial design concepts tailored to your needs.
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We redefine the design based on your feedback.
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We submit a planning application and act as your agent.
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We liaise with the Local Authority and manage any queries or issues that may arise through the approval process.
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Where third party involvement is needed, (for example a report covering Flood Risk Assessment or Bat Survey etc) we have experience with reliable professionals who will assist.
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Building Regulations Approval
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Once Planning is approved (or if not required), we progress the scheme to provide technical drawings and construction notes for building regulation approval.
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This is an invaluable set of drawings as it communicates how the house will actually be built to meet the structural, safety and energy standards and is often the most important document to hand to the builder.
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Our 'in-house' structural engineer will provide the structural design calculations needed for building regulations approval as part of this service.
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Handover of Plans
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​We provide final technical drawings and construction notes, ready for your builder to use.
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Your building contractor will then use these to carry out the build, ensuring everything is constructed as designed.
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CONTACT
Enquiries
58 Clinton Road,
Redruth,
Cornwall,
TR15 2QG
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Mob. 07840420740
Email. jsjdesign@live.co.uk
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