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Business Details
20 Years
experience
Award-Winning Sustainable Architects in Bath
Established in 2006, Jonathan Logsdon Architects is a RIBA Chartered practice based in Bath with a proven track record in delivering high-quality, contextually sensitive architectural solutions. Our expertise spans residential developments, commercial units, and heritage projects, including listed buildings and conservation areas. We prioritise a fabric-first approach to construction, integrating Passive House principles to create energy-efficient spaces that reduce environmental impact while maintaining comfort. Our team holds specialist certifications in low-energy design, including Jonathan Logsdon's 2021 qualification as a Certified Passive House Designer. We collaborate closely with statutory bodies and an established network of consultants to ensure regulatory compliance and project feasibility.

Our design philosophy combines hands-on creativity with technical precision, focusing on materiality, spatial quality, and long-term sustainability. With extensive experience across London, Wales, and the South West, we specialise in navigating complex planning environments, including Areas of Outstanding Natural Beauty and Bath's World Heritage Site. Our commitment to excellence has been demonstrated through award-winning projects ranging from garden studios to large-scale housing schemes. We maintain transparency throughout the design and construction process, ensuring clients receive tailored solutions that align with their specific needs and aspirations.
Services
Residential Architecture Sustainable Design Passive House Certification Heritage Conservation Commercial Units New Builds Refurbishments Extensions Listed Buildings Energy Efficiency
Details
  • Year established: 2006
Highlights and features
  • We have 18 years of experience in sustainable architectural design
  • Our team includes a Certified Passive House Designer
  • We specialise in fabric-first construction methods
  • Proven expertise in conservation and heritage projects
  • Collaborate with established industry professionals
Associations and certifications
  • RIBA
  • ARB
  • Passive House Institute
Services
Residential Architecture
We create bespoke residential solutions that balance aesthetic appeal with functional efficiency. Our approach prioritises energy performance through strategic design decisions and material selection. Projects range from single-dwelling new builds to multi-unit developments, all adhering to rigorous sustainability standards while maintaining contextual sensitivity.
Passive House Design
Specialist certification and implementation of Passive House principles to achieve ultra-low energy consumption. Our certified designers optimise building fabric to reduce heating demands by up to 90% compared to conventional construction. This approach creates comfortable living environments while future-proofing properties against energy price fluctuations and regulatory changes.
Heritage Conservation
Expertise in navigating complex planning requirements for historic structures and conservation areas. We develop sensitive interventions that preserve architectural integrity while introducing modern functionality. Our track record includes successful projects within Bath's World Heritage Site and Areas of Outstanding Natural Beauty, balancing preservation with contemporary needs.
Commercial Architecture
Design solutions for commercial units that optimise space utilisation and operational efficiency. We create adaptable environments that meet current business needs while considering future flexibility. Our approach integrates sustainable materials and construction methods to reduce long-term running costs and environmental impact.
Refurbishment Projects
Comprehensive renovation services that transform existing structures into high-performance spaces. We specialise in improving energy efficiency and modernising functionality while respecting original architectural character. Our process includes strategic upgrades to building fabric, services, and spatial layouts to meet contemporary standards and client requirements.
People
Jonathan Logsdon
Principal Architect
RIBA Chartered Architect with 18 years' experience in sustainable design. Certified Passive House Designer since 2021. Specialises in low-energy construction methods and heritage projects. Leads all design decisions and client engagements.
Questions
What architectural services do you specialise in?
We specialise in residential architecture, sustainable design, Passive House certification, heritage conservation, and commercial projects.
Do you work outside the Bath area?
Yes, we undertake projects across London, Wales, and the South West of England.
What is your approach to sustainable design?
We prioritise a fabric-first approach using Passive House principles to create energy-efficient buildings with reduced environmental impact.
Can you work with listed buildings?
Yes, we have extensive experience in designing sensitive interventions for listed buildings and conservation areas.
How do you ensure project quality?
We maintain close collaboration with clients and statutory bodies throughout the design and construction process.
Are you certified in energy-efficient design?
Yes, our principal architect is a Certified Passive House Designer since 2021.