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Business Details
19 Years
experience
Expert Architectural Design & Planning Services in Hertfordshire
Established in 2007, KJG Design is a dedicated architectural design and planning service operating across Hertfordshire, Bedfordshire, and Buckinghamshire. Our expertise lies in securing planning approvals and building regulation permissions for domestic extensions, loft conversions, garage conversions, new builds, and small commercial projects. We provide a comprehensive start-to-finish planning service tailored to private householders, building contractors, and small businesses, offering fixed pricing with no hidden charges. Our approach eliminates the complexities of coordinating with multiple professionals by integrating architectural design, engineering, and builder communication into a seamless process.

With over 15 years of experience, we specialise in transforming conceptual ideas into practical, imaginative designs that meet regulatory standards while aligning with client aspirations. Our team delivers high-quality planning drawings, structural calculations, and specialist reports through a client-focused methodology that prioritises clarity, affordability, and efficiency. We serve diverse locations including Milton Keynes, Hemel Hempstead, and Northwood, supporting clients from initial concept through to project completion.
Services
Planning Permission Applications Building Regulation Drawings Loft Conversions New Builds Garage Conversions Structural Calculations Conservation Surveys SAP Reports Tree Surveys Acoustic Reports
Details
  • Year established: 2007
Highlights and features
  • We offer fixed pricing with no hidden charges since 2007
  • Specialists in planning approvals for domestic and small commercial projects
  • Comprehensive service from concept to completion
  • Local expertise across Hertfordshire, Bedfordshire, and Buckinghamshire
  • Integrated approach eliminating multiple contractor coordination
Services
Planning Permission Applications
We specialise in preparing and submitting comprehensive planning applications for domestic extensions and commercial developments. Our service includes creating detailed drawings, coordinating specialist reports, and managing council submissions. Clients benefit from our proven track record in securing approvals across Hertfordshire and surrounding areas.
Building Regulation Drawings
Our detailed building regulation drawings ensure compliance with safety, accessibility, and energy performance standards. We produce technical specifications and structural calculations required for council submissions. This service guarantees your project meets all legal requirements while maintaining design integrity.
Loft Conversions
We transform unused loft spaces into functional living areas through tailored design solutions. Our service covers planning considerations, structural requirements, and building regulation compliance. Clients receive customised layouts optimising space while adhering to local authority guidelines.
New Builds
From concept to completion, we manage new build projects including design development and regulatory approvals. Our expertise covers residential and small commercial properties, ensuring compliance with current building standards while realising client visions.
Garage Conversions
We convert existing garages into habitable spaces while navigating planning restrictions and building regulations. Our service includes structural assessments, design proposals, and submission of necessary documentation to local authorities.
People
Keith Grearbanks
Founder
Keith established KJG Design in 2007, bringing over 15 years of architectural design experience. He specialises in planning permissions and building regulations compliance, overseeing projects from concept to completion across Hertfordshire and surrounding regions.
Questions
What areas do you cover for architectural services?
We operate across Hertfordshire, Bedfordshire, Buckinghamshire, Middlesex, and London, including locations like Milton Keynes, Hemel Hempstead, and Northwood.
What's the difference between your service and an architect?
As architectural designers, we provide similar services to architects at more affordable rates, specialising in domestic and small commercial projects.
Can you handle both planning and building regulations?
Yes, we manage full planning applications and produce building regulation drawings including structural calculations and compliance documentation.
Do you offer fixed pricing for your services?
We provide transparent fixed pricing with no hidden charges for all our architectural design and planning services.
What project types do you specialise in?
We focus on home extensions, loft conversions, garage conversions, new builds, and small commercial developments.
How do you support clients during the planning process?
We offer end-to-end support from initial concept drawings through to submission and approval of planning applications.