
Future-Proof Your Buildings with Expert Retrofit Design
‘A successful retrofit design is vital for enhancing building performance, energy efficiency, and overall sustainability.’
Sustainable, Cost-Effective, and Smart
Is your property underperforming? Rising energy costs, outdated layouts, and inefficient materials can make even the best spaces feel like a liability. Our expert retrofit design service transforms existing buildings into high-performance, low-energy, and future-ready spaces – without the need for costly demolition.
Why Retrofit?
Lower Energy Bills – Reduce consumption and improve thermal comfort
Sustainable & Net Zero Ready – Meet carbon reduction tests with ease
Enhanced Property Value – A modern, efficient building is a smarter investment
Minimum Disruption – Improve without starting from scratch
By adhering to the PAS2035 framework, each project can maximize comfort, reduce carbon footprints, and extend the lifespan of existing structures. Thoughtful integration of retrofit measures into buildings not only transforms spaces but preserves their unique character.

Why Work With Us?
At Mitchell Architects, we embrace a holistic approach, prioritising robust design and quality materials tailored to each project’s specific needs.
We are Architects who understand Retrofits – We specialise in adapting and upgrading existing buildings with precision and creativity
Customised Solutions – Every retrofit is tailored to your building’s unique needs
End-to-End Service – From feasibility studies to design and project management