about us

About us

Armstrong Simmonds Architects are an award-winning architectural practice based in Clapham, South-West London. We apply innovative architectural solutions to meet the specific needs of our clients and achieve exceptional results. As RIBA Chartered Architects, we understand the need for creative design, methodical planning, and timely project execution.

We provide the full spectrum of services covering all RIBA work stages including Surveying, Briefing, Scheme Design, 3D Modelling, Planning, Building Control,

Detailing, Tendering, Contract Administration, and Interior Design. The types of building projects we pride ourselves on include high-end residential design, new build apartments and houses, basements, extensions, loft conversions and multi-unit residential properties.

Our Team

We are a highly creative team of architects and designers with a wealth of experience in the residential sector. Our team will diligently guide you through each stage of the process from conceptual design to the completion of your dream project. Armstrong Simmonds Architects was founded by John Armstrong in 2010.


John-Paul Armstrong, Director
BA (Hons), MArch, P.G.Dip, ARB, RIBA


John worked at OCA and the multinational practice RMJM before founding Armstrong Simmonds Architects. He acquired his degree and masters from the University of Sheffield. He also acquired the highest marks in his written examinations (Part 3 professional practice).