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Business Details
11 Years
experience
Expert Residential Architects in Bushey, Hertfordshire
Keri Barr Architects is a RIBA Chartered Practice based in Bushey, Hertfordshire, specialising in residential architecture with a focus on sustainable, low-energy design. Established in 2015 by Keri Barr, a registered architect with over 20 years of experience, the practice combines technical expertise with a client-centric approach to deliver tailored solutions for homeowners and small developers. Our services span residential extensions, conversions, new build homes, and small developments, with a commitment to enhancing comfort, functionality, and energy efficiency.

We prioritise clear communication, meticulous planning, and designs that balance aesthetics with practicality, ensuring projects align with clients' lifestyles and budgetary requirements. Our team holds certifications including Passivhaus Design and AECB accreditation, reflecting our dedication to innovation and sustainability in residential architecture.
Services
Residential Extensions New Build Homes Sustainable Design Planning Applications Building Regulations
Details
  • Year established: 2015
Highlights and features
  • We offer over 20 years of architectural experience tailored to residential projects.
  • Our team provides tiered service packages to match project complexity and client needs.
  • We specialise in energy-efficient design, including Passivhaus and AECB-certified standards.
  • Our detailed technical documentation ensures smooth contractor coordination and project delivery.
  • Client testimonials highlight our professionalism, creativity, and commitment to exceeding expectations.
Associations and certifications
  • RIBA
  • Passivhaus Designer
  • AECB
What people say
Delighted with the results Excellent service Thoughtful input Smooth project delivery Energy-efficient design
Services
Residential Extensions
We design functional and aesthetically integrated extensions that enhance living spaces while complying with planning and building regulations. Our approach ensures seamless coordination with contractors to deliver projects on time and within budget. Clients benefit from tailored solutions that maximise natural light and improve energy efficiency.
Sustainable Design
Our sustainable design services focus on creating low-energy, eco-friendly homes using natural materials and advanced building physics principles. We incorporate Passivhaus standards and AECB-certified methodologies to reduce carbon footprints and improve indoor air quality. Clients receive expert guidance on thermal performance and renewable energy integration.
New Build Homes
We specialise in designing bespoke new homes tailored to clients' lifestyles and site-specific conditions. Our services include site analysis, planning applications, and technical documentation to ensure compliance with building standards. Clients benefit from energy-efficient designs that prioritise comfort, functionality, and long-term value.
Planning Applications
We prepare and submit detailed planning applications to secure approvals for residential projects. Our expertise in local regulations and design guidelines ensures compliance while minimising delays. Clients receive strategic advice to navigate the planning process confidently and efficiently.
Building Regulations
We produce technical drawings and specifications to meet building control requirements for residential projects. Our detailed documentation ensures structural safety, thermal performance, and accessibility standards are met. Clients benefit from streamlined approvals and reduced risks during construction.
People
Keri Barr
Lead Architect
Keri Barr is a registered architect with over 20 years of experience, specialising in residential design and sustainable architecture. She founded Keri Barr Architects in 2015 after working on diverse projects ranging from private homes to commercial developments. Her expertise includes Passivhaus design and AECB-certified retrofit solutions.
Questions
What areas do you serve?
We operate in Bushey, Hertfordshire, and surrounding areas including Watford, St Albans, and London Colney.
Do you offer energy-efficient home designs?
Yes, we specialise in low-energy, sustainable designs using Passivhaus principles and AECB-certified standards.
What services are included in your packages?
Our packages include planning, building regulations, technical drawings, and optional energy performance upgrades.
How do you handle project budgets?
We provide transparent fee proposals and work closely with clients to align designs with budgetary constraints.
Are you RIBA Chartered?
Yes, we are a RIBA Chartered Practice committed to professional excellence in residential architecture.