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Business Details
26 Years
experience
RIBA Chartered Architects in Bath
Llewellyn Harker are RIBA chartered architects and heritage consultants based in Somerset near Bath, operating throughout the South West and nationally. Established in 2000, our practice combines expertise in conservation with new building design, serving diverse sectors including residential, tourism, and commercial projects. Our team includes specialists in historic architecture and heritage consultancy, ensuring compliance with Listed Building regulations. We prioritise sustainable, bespoke design that harmonises with both urban and rural environments. Directors personally oversee each project, delivering practical spaces that balance sensitivity with innovation.

Our in-house heritage consultancy service provides tailored solutions for historic buildings. With a portfolio spanning rural houses, formal landscapes, and conservation projects, we aim to create timeless architecture that enhances its surroundings. Our studios rural setting near Bath reflects our commitment to contextual design. We focus on economic, maintainable buildings that contribute positively to the built environment. Clients benefit from our directors hands-on approach and decades of collective experience in architectural excellence.
Services
Conservation New Buildings Heritage Consultancy Rural Houses Formal Landscape Rural Conversions Drawings
Details
  • Year established: 2000
Highlights and features
  • We have over 20 years of architectural experience since 2000
  • Our in-house heritage consultancy handles Listed Building applications
  • Directors personally manage every project from start to finish
  • Specialists in sustainable design for rural and urban environments
  • Award-winning expertise in conservation and new-build projects
Associations and certifications
  • RIBA
  • AABC
  • IHBC
Services
Conservation Architecture
Specialist conservation services for historic buildings, including Listed Building applications. Our RIBA-chartered team preserves architectural integrity while meeting modern requirements. We deliver sensitive restoration solutions for protected structures nationwide.
New Building Design
Bespoke new-build projects combining sustainability with aesthetic sensitivity. We create functional spaces tailored to rural and urban contexts, prioritising environmental performance and long-term viability across residential and commercial sectors.
Heritage Consultancy
In-house heritage consultancy offering expert guidance on conservation areas and listed properties. Our IHBC-registered specialists provide feasibility studies, condition assessments, and planning submissions for heritage assets across the UK.
Rural House Design
Tailored rural house projects integrating traditional and contemporary elements. We design energy-efficient dwellings that complement agricultural landscapes, balancing modern living needs with contextual sensitivity in Somerset and beyond.
Formal Landscape Design
Design services for structured outdoor spaces, including period gardens and contemporary landscapes. We create functional, aesthetically cohesive environments that enhance architectural projects and public venues nationwide.
People
Jonathan Harker
Director
BSc (Arch) (Hons) BArch (Hons) RIBA. Jonathan leads architectural projects with 20+ years' experience in conservation and new-build design. His expertise spans rural and urban developments across the UK.
Helen Harker
Director
Dip (Cartography & Planning) BSc (Hons) BArch (Hons) RIBA PGCE. Helen oversees design integration and educational aspects of architectural projects. She brings multidisciplinary expertise to heritage and new-build schemes nationwide.
Nicholas Lowe
Director
MA Arch (Hons) Dip Arch RIBA. Nicholas specialises in complex conservation projects and contemporary design solutions. He manages technical delivery for commercial and residential developments across various regions.
Gabriella Herrick
Director
RIBA CA AABC IHBC. Gabriella leads heritage consultancy services, focusing on listed buildings and conservation areas. Her specialist knowledge ensures compliance with planning regulations for historic structures nationwide.
Martin Llewellyn
Director
BA Arch (Hons) Dip Arch RIBA. Martin directs rural architecture projects, combining traditional methods with modern sustainability standards. He manages countryside developments that balance aesthetics with practical functionality.
Questions
What architectural services do you offer?
We provide conservation architecture, new-build design, heritage consultancy, rural house projects, and formal landscape planning across the UK.
Do you handle listed building projects?
Yes, our in-house heritage consultancy manages Listed Building applications and conservation works with specialist expertise.
How experienced is your team?
Our directors have over 20 years' combined experience in architectural design and heritage projects across diverse UK locations.
Can you work outside the South West?
Yes, while based in Bath, we undertake projects nationwide including urban and rural developments in various regions.