Business Details
31 Years
experience
Award-Winning Architectural Design in London
Belsize Architects was founded in 1995 by Shahriar Nasser, who remains the principal owner and decision-maker. Our practice maintains a small team of no more than ten staff to ensure bespoke service and rigorous quality control. We specialise in creating intelligent, sensitive and elegant designs across residential, education, commercial and leisure sectors, with particular expertise in historic building restoration and sustainable architecture. Our international portfolio includes award-winning projects in the UK, France, Switzerland, Turkey and Saudi Arabia. We employ certified Passivhaus designers and adhere to the RIBA 2030 Climate Challenge, demonstrating our commitment to addressing the climate emergency through resilient, low-carbon architecture.Our team combines global expertise with deep familiarity in negotiating with statutory bodies like Historic England and the Crown Estate. We provide full architectural services, including interior design, landscape design and product design, while maintaining close client collaboration throughout every project lifecycle. Our work has received numerous accolades, including RIBA Awards and Civic Trust Awards, and has been featured in prestigious publications such as The New York Times and Dezeen. We prioritise material selection based on environmental impact and visual harmony, while leveraging technological innovations to strengthen our design intentions.
Services
Architectural Design
Interior Design
Historic Building Restoration
Sustainable Architecture
Landscape Design
Product Design
Planning Consultancy
Project Management
Details
- Year established: 1995
Highlights and features
- International portfolio of critically-acclaimed buildings
- Bespoke service with strict quality control
- Certified Passivhaus designers on staff
- RIBA Chartered Practice with 30+ years' experience
- Specialists in historic building conservation
Associations and certifications
- ISO 9001
- RIBA Chartered Practice
- Architects Declare
What people say
Award-winning designs
Sustainable approach
Historic expertise
Client-focused
International experience
Services
Architectural Design
We create intelligent architectural solutions for residential, commercial and educational sectors. Our approach combines contextual sensitivity with modern functionality, delivering buildings that promote wellbeing and sustainability. With expertise in both new developments and historic renovations, we ensure each project meets exacting quality standards while addressing specific client needs through collaborative design processes.
Historic Building Restoration
Specialists in preserving architectural heritage while integrating modern requirements. Our team has extensive experience with listed buildings, including Crown Estate properties in Regents Park. We maintain original character while enhancing functionality through careful material selection and traditional craftsmanship combined with contemporary techniques to meet current usage demands and conservation guidelines.
Sustainable Architecture
We address climate challenges through low-carbon design solutions. Certified Passivhaus designers implement energy-efficient systems while considering environmental impact throughout material selection and construction processes. Our approach meets RIBA 2030 Climate Challenge standards, creating resilient buildings that balance ecological responsibility with aesthetic excellence and functional performance across both new and existing structures.
Interior Design
We craft functional, aesthetically cohesive interior environments tailored to client needs. Our designs integrate seamlessly with architectural elements while considering lighting, materiality and spatial flow. From residential homes to commercial spaces, we create interiors that enhance user experience through thoughtful detailing and innovative solutions that reflect both practical requirements and aesthetic aspirations.
Project Management
We provide comprehensive project management from concept to completion. Our services include planning applications, contractor selection, budget control and construction oversight. With deep understanding of building processes, we ensure projects meet quality standards while navigating regulatory requirements and addressing potential challenges proactively to deliver successful outcomes within specified timelines and budgets.
People
Shahriar Nasser
Founder Director
Established Belsize Architects in 1995 and serves as principal decision-maker. Chair and jury member for RIBA and RICS Awards with extensive experience in architectural design and practice management.
David Green
Director
Award-winning architect with expertise in contract law and practice management. Regular contributor to the Architects Journal on industry challenges and financial matters affecting architectural practices.
Questions
What architectural services do Belsize Architects Architects offer?
We provide full architectural services including new builds, historic renovations, interior design, landscape design and product design across residential, commercial and educational sectors.
Do you specialise in sustainable architecture?
Yes, we employ certified Passivhaus designers and adhere to the RIBA 2030 Climate Challenge, prioritising low-carbon solutions and environmentally responsible material selection.
Can you work on listed/historic buildings?
We have extensive experience with historic buildings, including over 40 Crown Estate properties in Regents Park, and maintain strong relationships with Historic England.
Do you operate internationally?
Yes, our portfolio includes projects in France, Switzerland, Turkey and Saudi Arabia, including award-winning developments in Dhahran.
How do you ensure project quality?
We maintain ISO 9001 certification with a small team of no more than ten staff to ensure rigorous quality control and bespoke service.
