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Expert Architects for Sustainable and Innovative Design Solutions
We are a multi-award-winning architectural practice dedicated to delivering innovative, sustainable design solutions across the UK. Our team of chartered architects, designers, and technologists specialise in residential, commercial, and heritage projects, with a strong focus on Net Zero and energy-efficient buildings. We combine creative flair with technical excellence, utilising advanced BIM software to transform client visions into reality. Our expertise spans retrofitting, cladding remediation, and inclusive design, supported by accreditations including RIBA Chartered Practice, Passivhaus design, and ISO 9001/14001 governance.

We prioritise client collaboration, offering tailored services from strategic brief development to construction administration. Our commitment to environmental stewardship drives our work in circular economy principles, carbon impact analysis, and ESG goal alignment. With studios in Sussex and London, we serve diverse sectors including healthcare, education, and build-to-rent, ensuring every project meets rigorous design and sustainability standards. Our accolades reflect our dedication to creating spaces that enhance user well-being while addressing contemporary environmental challenges.
Services
Residential Build to Rent Cladding Remediation Education Healthcare Heritage | Conservation Accessible Design Net Zero Sport Commercial Expert Witness
Highlights and features
  • We offer Net Zero expertise with Passivhaus and EnerPHit certified projects
  • Our RIBA Chartered Practice ensures design excellence and technical rigour
  • Specialists in residential, retrofit, and cladding remediation sectors
  • We utilise advanced BIM software for precise project delivery
  • Committed to circular economy principles and ESG goal alignment
Associations and certifications
  • RIBA
  • BIM Coordination
  • Passivhaus design
  • Retrofit Coordination
  • ISO 9001
  • ISO 14001
Services
Residential Architecture
We create bespoke residential spaces that balance aesthetic appeal with functional efficiency. Our designs prioritise energy performance, incorporating sustainable materials and smart technology integration. With expertise in new builds, extensions, and renovations, we deliver tailored solutions that enhance living environments while meeting strict building regulations and client-specific requirements.
Cladding Remediation
Our team specialises in addressing unsafe cladding systems through comprehensive remediation strategies. We conduct detailed assessments, develop compliant solutions, and manage full-scale upgrades to meet Building Safety Regulator standards. Our approach ensures structural integrity while maintaining architectural aesthetics and energy efficiency in residential and commercial buildings.
Net Zero Design
We deliver Net Zero carbon buildings through advanced Passivhaus methodologies and energy modelling. Our services include PHPP analysis, low-energy material selection, and renewable energy integration. We guide clients through certification processes while ensuring optimal thermal performance and occupant comfort in new constructions and retrofit projects.
Heritage Conservation
We specialise in preserving architectural heritage while implementing modern functionality. Our conservation approach combines traditional craftsmanship with contemporary techniques to maintain structural integrity. Services include listed building assessments, sympathetic renovations, and adaptive reuse projects that respect historical context while meeting current usage demands.
BIM Coordination
We utilise Building Information Modelling to enhance project precision and collaboration. Our BIM services streamline design coordination, clash detection, and construction documentation. This technology-driven approach improves cost predictability, reduces errors, and facilitates seamless project delivery across complex architectural schemes.
Questions
What architectural sectors does Cowan Architects specialise in?
We specialise in residential, commercial, healthcare, education, heritage conservation, and Net Zero design projects.
Do you offer cladding remediation services for high-rise buildings?
Yes, we provide comprehensive cladding remediation solutions for residential and commercial high-rise structures.
Are your designs compliant with current building safety regulations?
All our projects adhere to UK building regulations, including recent fire safety and energy efficiency standards.
Can you assist with Passivhaus certification for new developments?
Yes, we offer full Passivhaus design services including PHPP analysis and certification support.
What sustainability accreditations does your practice hold?
We maintain ISO 9001, ISO 14001, and RIBA Chartered Practice accreditations.
Do you work on listed building renovation projects?
Yes, we specialise in heritage conservation with expertise in sensitive renovations of protected structures.
Reviews (4)
Peter Fenwick
Nov 21, 2020 Report
Positive:Professionalism,Quality,Responsiveness,Value
Great Architects and an absolute pleasure to do business with. Highly recommended
Phil Osborn
Oct 19, 2020 Report
Positive:Professionalism,Quality,Responsiveness,Value
Excellent collaboration with the team from Cowan Architects, very professional and client focused company & individuals.
Ben Davies
Dec 14, 2019 Report
Oander have worked with Cowan Architects on a number of projects which range in complexity, value and location. We have always found the team to be professional, proactive, realistic and collaborative in their approach ensuring that the project challenges are dealt with in good spirit and a timely manner.
Tom Appavoo
Oct 02, 2019 Report
After doing three days of work experience at Cowan Architects, I've thoroughly enjoyed due to the helpful and friendly staff who made me feel very welcome.