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Business Details
44 Years
experience
Award-Winning London Architects & Interior Designers
KSR Architects is a London-based practice with over 40 years of experience crafting award-winning architectural and interior design projects across the UK and internationally. Our approach combines thoughtful design with a deep understanding of client needs, heritage sensitivity, and environmental responsibility. We specialise in private residential, multi-residential, and commercial developments, working within challenging environments such as Conservation Areas and Listed Buildings.

Our team prioritises direct client involvement throughout the design process, ensuring timeless solutions that add value while respecting local contexts. With a proven track record in BIM technology and sustainable design, we deliver high-quality spaces that balance aesthetics, functionality, and energy efficiency. Our commitment to excellence has earned recognition through numerous industry awards and repeat business from 90% of our clients.
Services
Private Residential Interior Design Multi-Residential Contemporary Projects Masterplanning BIM Services Heritage Restoration Sustainable Design
Details
  • Year established: 1982
Highlights and features
  • We have over 40 years of experience in residential and commercial architecture.
  • Our team maintains direct partner involvement in every project.
  • We specialise in sensitive heritage and conservation area developments.
  • Our BIM expertise ensures precise design and documentation.
  • 90% of our work comes from repeat clients and referrals.
What people say
Award-winning designs Heritage sensitivity Client-focused approach Technical excellence Creative innovation
Services
Private Residential
We create bespoke private residences that combine aesthetic appeal with functional excellence. Our designs prioritise client lifestyles and investment value, working across London's conservation areas and international locations. Each project balances contemporary living requirements with heritage sensitivity.
Interior Design
Our high-end interior design service focuses on creating elegant, functional spaces tailored to client preferences. We specialise in luxury residential interiors that maintain timeless appeal while incorporating modern technology and sustainable materials for enhanced living experiences.
Multi-Residential
We deliver award-winning multi-residential developments that create positive communities. Our approach optimises site value while respecting local environments, with expertise in complex projects requiring stakeholder engagement and long-term planning considerations.
Heritage Restoration
Specialising in Listed Buildings and Conservation Areas, we restore historic properties with minimal intervention. Our approach reinstates original features while incorporating modern requirements, maintaining architectural integrity through meticulous research and execution.
BIM Services
We utilise Revit BIM technology for precise design and documentation, enhancing project coordination and quality. Our early adoption of BIM ensures efficient project delivery through improved visualisation, collaboration, and data management throughout the construction process.
People
Guy Adam Ailion
Partner
With extensive experience in architectural design and project leadership, Guy contributes specialist knowledge to complex developments. He mentors junior staff and ensures design excellence across projects requiring heritage sensitivity and modern functionality.
Ruben Iglesias Fernndez
Director
Promoted to Director in 2025, Ruben brings European design expertise to residential and mixed-use projects. His leadership focuses on delivering high-quality developments while mentoring emerging architects within the practice.
Questions
What architectural services do you specialise in?
We specialise in private residential, multi-residential, commercial, and heritage architecture, with expertise in BIM technology and sustainable design solutions.
How do you involve clients in the design process?
We maintain direct client involvement throughout all stages, from initial concept to construction details, ensuring designs fully reflect client requirements and lifestyle needs.
Can you work on conservation area projects?
Yes, we have extensive experience in sensitive developments within Conservation Areas and with Listed Buildings, balancing modern requirements with heritage preservation.
What sustainability principles do you follow?
We integrate energy efficiency and sustainable materials while maintaining design quality, exceeding regulations to reduce carbon footprints without compromising aesthetics.
Reviews (3)
Serena Nazareth
Sep 03, 2020 Report
Positive:Professionalism,Quality
Great team of architects, successfully got planning permission for my house extension in North London.
Mairead Finlay
Sep 20, 2018 Report
The team at KSR Architects go out of their way to make sure your design ambitions are fulfilled. Attentive, great designs and always extremely professional.
David Soffer
May 05, 2018 Report
Where do I start...What a brilliant team, with the best creative minds I have ever had the pleasure of working with. True professionals and a pleasure to deal with. Can't recommend KSR enough!