House Extension Design in Carmarthenshire
Llangain Designs provides expert architectural design services for house extensions across Carmarthenshire and South West Wales.
Whether you are looking to extend your kitchen, add a new living space or completely transform your home, we create designs that maximise space, light and functionality.
From initial ideas through to planning approval and building regulations, we guide you through every stage of your extension project.
Discuss Your ExtensionExtension Design Specialists
We design extensions that integrate seamlessly with your existing property while enhancing both usability and value.
Every project is tailored to your lifestyle, ensuring the new space works perfectly for how you live.
We also ensure that all designs comply with planning policies and building regulations.
Types of Extensions
Single Storey Extensions
Ideal for kitchens, dining areas and open-plan living spaces.
Double Storey Extensions
Add significant extra space to your home with both ground and upper floor extensions.
Rear & Side Extensions
Expand your property footprint and improve layout flow.
Wrap-Around Extensions
Combine rear and side extensions for maximum space and impact.
Benefits of a House Extension
✔ Increase living space
✔ Add property value
✔ Improve layout and flow
✔ Avoid the cost of moving
✔ Customise your home
✔ Modernise existing spaces
✔ Better natural light
✔ Long-term investment
Our Extension Process
1. Consultation
Understanding your requirements and ideas.
2. Design Concepts
Creating layouts tailored to your home and needs.
3. Planning
Submitting planning applications where required.
4. Building Regulations
Producing detailed drawings for approval.
5. Build Support
Providing guidance throughout construction.
6. Completion
Ensuring your extension meets expectations.
Related Services
Residential Architecture
Full residential design services including new builds and renovations.
View Residential →Thinking About Extending Your Home?
Speak to Llangain Designs for expert advice and architectural design services.
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