Business Details
21 Years
experience
Award-Winning Barn Conversion & Residential Architects in London
Established in 2005, David Nossiter is a RIBA Chartered Practice dedicated to creating spatially complex contemporary architecture. Our approach prioritises client needs, site topography, and orientation to deliver durable, honest designs. With over 30 years of experience, we specialise in barn conversions, residential projects, and new builds across the UK. Our work adheres to RIBA quality management procedures, ensuring technical excellence and client satisfaction. We offer tailored architectural services from inception to completion, including site appraisals, feasibility studies, and planning approvals. Our team provides personal support throughout the process, combining pragmatic design with innovative solutions.Recognised by the Sunday Times British Homes Awards and featured in Grand Designs, we balance heritage preservation with modern functionality. Our commitment to sustainability informs every project, from eco-retrofits to low-carbon heating systems. Operating within Conservation Areas and protected land, we navigate complex planning requirements with expertise. Our portfolio spans listed barn conversions, urban extensions, and bespoke new dwellings, reflecting our adaptability across diverse contexts.
Services
Barn Conversion Architecture
Residential Architecture
Site Appraisal
Feasibility Studies
Listed Building Consents
Conservation Area Projects
New Build Design
Retrofitting Services
Planning Approvals
Eco-Retrofit Solutions
Details
- Year established: 2005
Highlights and features
- We have over 30 years of experience in architectural design and barn conversions
- Our services follow RIBA Chartered quality management procedures
- Principal offers personal support from inception to project completion
- Recipient of Sunday Times British Homes Awards and Grand Designs recognition
- Specialist in navigating complex planning permissions for protected sites
Associations and certifications
- RIBA Chartered Practice
- ARB (Architects Registration Board) member
What people say
Authentic contemporary architecture
Personal support throughout process
Award-winning designs
Sustainable solutions
Expert navigation of planning
Services
Barn Conversion Architecture
Specialist barn conversion services preserving historical character while creating modern living spaces. We handle listed buildings, Class Q conversions, and protected land projects with expertise. Our approach combines passive solar design, breathable insulation, and original material reuse to create sustainable, award-winning homes.
Residential Architecture
Contemporary residential solutions for new builds and renovations. We design context-driven homes considering site orientation, conservation requirements, and client needs. Services include space planning, material selection, and full project management from planning approval to construction completion across London and the Home Counties.
Site Appraisal
Pre-development evaluation of potential sites for conversion or new builds. We analyse planning constraints, structural viability, and development potential to inform client decisions. This standalone service provides critical insights before financial commitments, with fee credits available if progressing to full design stages.
Listed Building Consents
Expert navigation of listed building regulations and conservation requirements. We prepare detailed applications, coordinate with planning authorities, and implement sensitive modern interventions. Our RIBA Conservation Registrant status ensures compliance while maintaining historical integrity through appropriate materials and techniques.
Eco-Retrofit Solutions
Energy-efficient retrofitting for existing buildings using low-carbon technologies. Services include air-tight detailing, heat pump installations, and mechanical ventilation systems. We enhance thermal performance while preserving architectural character, reducing environmental impact without compromising aesthetic values.
People
David Nossiter
Principal Architect
BA(Hons) Dip Arch ARB RIBA FRSA with over 30 years' experience. Leads all projects personally, combining technical expertise with creative vision. Specialises in barn conversions and conservation architecture, featured in Grand Designs and multiple design publications.
Questions
What architectural services do you specialise in?
We specialise in barn conversions, residential architecture, and new builds across London and the Home Counties. Our expertise includes navigating complex planning requirements for listed buildings and conservation areas.
Do you work outside London?
Yes, we operate nationwide with particular experience in Suffolk, Norfolk, Kent, Oxfordshire, and Buckinghamshire. Our projects include areas of outstanding natural beauty and conservation zones.
How are architectural fees structured?
Fees are either lump sums or percentages of construction costs, agreed upfront. Site appraisal fees can be credited towards future project stages if progressing beyond initial feasibility studies.
Can you assist with planning permissions?
Yes, we handle full planning applications, listed building consents, and Class Q permitted development conversions. Our team negotiates with local authorities and prepares required documentation for approval processes.
What awards have you won?
We've received the Sunday Times British Homes Award, Designer Kitchen & Bathroom Award, and been shortlisted in Grand Designs and Architects Journal Retrofit Awards for innovative barn conversion projects.
How do you approach sustainability?
Our designs incorporate passive solar orientation, breathable insulation, heat recovery systems, and material reuse. We prioritise low-carbon heating solutions and energy-efficient detailing to reduce environmental impact while maintaining design integrity.
