About the practice

Architect services in London & Devon. A21 is an award-winning RIBA Chartered practice. We specialise in visually striking building designs across the residential, medical, and heritage sectors that are sustainable and innovative. Our expertise spans from bespoke luxury home builds, extensions, low-carbon construction, Passivehouse, to cutting-edge hospital facilities, laboratories, and complex listed building conversions. A21 combine creative vision with technical precision. Whether you need expert advice on a home renovation or full architectural services for a major medical or commercial scheme, we deliver tailored solutions to the highest standards. Contact us to get your project moving.