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Your Trusted Architectural Design Partner in Tadcaster
Established with a dual focus on architectural design and structural engineering, our practice brings 27 years of technical expertise to residential and commercial projects across Yorkshire. We specialise in extensions, loft conversions, and property alterations, offering a seamless service from initial concept through to building regulations approval and project management. Our unique approach combines architectural vision with structural engineering qualifications, ensuring compliance with EuroCodes and British Standards while eliminating the need for third-party structural calculations.

Clients benefit from a personal service where the principal architect remains directly accountable for every project, supported by professional indemnity insurance and membership of the Institute of Structural Engineers. We prioritise transparency, providing free initial consultations and detailed proposals to demystify planning processes and party wall agreements. Our track record includes diverse projects from small domestic renovations to large industrial developments, always maintaining rigorous attention to detail and client communication.
Services
Extensions Loft conversions Property alterations New builds Project management
Highlights and features
  • We combine 27 years of architectural design with structural engineering qualifications
  • Our service includes free initial proposals and planning guidance
  • We handle full project management from concept to completion
  • Professional indemnity insurance covers all our work
  • Direct principal architect accountability for every project
Associations and certifications
  • Institute of Structural Engineers
Services
Extensions
We design and manage residential and commercial extensions that maximise space while complying with planning regulations. Our integrated structural engineering expertise ensures robust designs that avoid costly mid-project adjustments. Clients receive detailed proposals outlining planning requirements and budget estimates.
Loft conversions
Transform unused loft space into functional rooms with our comprehensive service. We handle planning permissions, structural calculations, and building regulations approval, ensuring safe, compliant conversions that add property value without unexpected structural complications.
Project management
From initial concept to final inspection, we oversee every project phase. Our service includes contractor selection, budget control, and timeline management, supported by 27 years of industry experience and direct principal accountability for all work stages.
New builds
We deliver tailored new build projects for domestic and commercial clients. Our service covers full planning applications, detailed technical specifications, and building regulations compliance, ensuring seamless execution from architectural concept to structural completion.
Property alterations
Specialist alterations including wall removals, structural openings, and layout reconfigurations. We provide necessary structural calculations and building regulations documentation, ensuring safety compliance while achieving clients' design objectives.
People
John Whittlestone
Architectural Designer
With 27 years of architectural design experience and structural engineering qualifications, John personally manages every project. His technical expertise ensures compliance with EuroCodes and British Standards while maintaining direct client accountability throughout each build process.
Questions
What architectural services do you specialise in?
We specialise in extensions, loft conversions, property alterations, and new builds for residential and commercial clients across Yorkshire.
Do you handle planning permission applications?
Yes, we prepare and submit full planning applications including design statements and access documentation, with eight-week processing support.
How do you manage building regulations compliance?
We produce detailed structural calculations and technical specifications for full building regulations approval, avoiding mid-project compliance issues.
What areas do you serve?
We operate throughout Yorkshire, covering domestic and commercial projects in urban and rural locations.
Do you offer project management services?
Yes, we provide end-to-end project management including contractor selection, budget control, and timeline coordination.
What makes your service unique?
Our combined architectural and structural engineering expertise eliminates third-party calculations, ensuring cost-effective, compliant builds with direct principal accountability.