House Extensions Worthing
Downland Studio provides architectural design services for house extensions in Worthing and West Sussex, helping homeowners create more space and improve the layout of their existing homes.
From initial ideas through to planning and technical design, we develop practical, buildable solutions tailored to your property.
Our Approach
Every extension is designed with a focus on spatial flow, natural light and usability, ensuring the new space integrates seamlessly with the existing home.
With a practical understanding of construction, proposals are developed to be realistic, cost-conscious and straightforward to build.
What We Do
We design residential extensions that improve how your home works, while responding to site constraints and planning requirements.
Rear and side extensions
Single and two-storey extensions
Internal reconfiguration and layout improvements
Open-plan living design
Planning drawings and Building Regulations packages
Added Value
Clients benefit from a clear and coordinated design process, alongside access to trade-level material pricing through established supplier networks—supporting better cost control during construction.