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50+ Years
experience
Your Trusted Chartered Architects in Hitchin
Pentangle Design is a Chartered Architectural practice with over 40 years of experience since our founding in 1974. Our team of creative Chartered Architects is dedicated to delivering high-quality design through meticulous preparation and agreement of project briefs, which we consider fundamental to successful outcomes. We specialise in innovative solutions within financial and client constraints across diverse sectors including commercial, domestic, hotel and leisure, retail, development, and residential projects. Our expertise extends to sensitive Listed Historic Buildings and large-scale multidisciplinary developments, combining resources to provide fully integrated services. Based in Hitchin, Hertfordshire, we serve surrounding towns, villages, and London, maintaining a reputation for design excellence that has earned us awards such as the North Hertfordshire District Council Annual Civic Trust Award and Letchworth Garden City Design Award.

Our principals lead initial client consultations and remain involved throughout all project stages, utilising 3D Computer Aided Modelling and advanced rendering techniques to deliver innovative, functional, and cost-effective buildings with low maintenance requirements. We prioritise client value through designs that balance aesthetic presence with long-term usability, ensuring flexibility and adaptability for future users while maintaining rigorous professional standards.
Services
Architectural Design Conservation Projects Residential Extensions Commercial Development 3D Modelling Services
Details
  • Year established: 1974
Highlights and features
  • 40+ years of architectural expertise since 1974
  • Award-winning designs from Civic Trust schemes
  • Client-focused approach with principal-led projects
  • Specialists in 3D CAD modelling and visualisation
  • Experienced in historic building conservation
Associations and certifications
  • Royal Institute of British Architects (RIBA)
Services
Architectural Design
Our architectural design service creates innovative solutions tailored to client needs. We specialise in commercial, residential, and mixed-use developments, combining creative vision with technical expertise. Our approach ensures functional spaces that meet budgetary constraints while maintaining aesthetic quality and long-term sustainability.
Conservation Projects
Specialist conservation services for Listed Historic Buildings. We balance preservation requirements with modern functionality through meticulous research and sensitive design interventions. Our team has extensive experience maintaining architectural integrity while implementing contemporary adaptations for heritage structures across Hertfordshire and London.
Residential Extensions
Custom residential extension solutions enhancing living spaces. We create functional, aesthetically cohesive additions that complement existing properties. Our process includes detailed brief analysis, 3D visualisation, and cost-effective construction strategies to maximise property value and usability for homeowners in Hitchin and surrounding areas.
Commercial Development
Comprehensive commercial architecture services from concept to completion. We deliver innovative office spaces, retail units, and industrial facilities optimised for operational efficiency. Our approach integrates client branding with practical requirements, ensuring cost-effective developments that meet regulatory standards and future-proof business needs.
3D Modelling Services
Advanced 3D Computer Aided Modelling for project visualisation. We create detailed digital representations to aid design communication and decision-making. This service supports clients through all project stages, from initial concept sketches to photorealistic renderings that demonstrate spatial relationships and material choices.
Questions
What architectural services does Pentangle Design offer?
We provide full architectural services including design, conservation, residential extensions, commercial developments, and 3D visualisation. Our team handles projects from initial concept through to completion.
How long has Pentangle Design been operating?
We've been delivering architectural solutions since 1974, with over 40 years of experience in residential, commercial, and heritage building projects.
Do you work on listed buildings?
Yes, we specialise in conservation projects for Listed Historic Buildings, combining preservation requirements with modern functionality through sensitive design interventions.
What areas do you cover?
Based in Hitchin, Hertfordshire, we primarily serve local towns and villages, plus London. Our portfolio includes projects across Hertfordshire, Bedfordshire, and Surrey.
How do you approach project design?
We begin with thorough brief preparation, then use 3D CAD modelling and renderings to develop concepts. Our principals lead projects throughout all stages, ensuring design integrity from conception to completion.
What makes Pentangle Design different?
Our combination of 40+ years' experience, award-winning designs, and principal-led approach ensures exceptional service. We balance creative vision with practical solutions, specialising in both modern developments and historic conservation.
Reviews (1)
Silver Birch Florist
Nov 21, 2020 Report
Jon at the team at Pentangle have been fantastic in providing guidance and advice on our upcoming project. I highly recommend their services and look forward to working with them.