Business Details
50+ Years
experience
Your Trusted Loft Conversion Specialist in Bristol
C&A Johnson is a family-run loft conversion and home extension specialist serving Bristol, Bath, and surrounding areas since 1963. With over 56 years of experience, we combine traditional craftsmanship with modern techniques to deliver tailored design and build solutions. Our team provides a comprehensive service, from initial consultation and free surveys to architectural drawings, planning permissions, and final construction. As long-standing members of the Federation of Master Builders, we maintain rigorous quality standards and offer insurance-backed warranties through the Build Assure scheme. Our directly employed, qualified tradesmen ensure high-quality workmanship, with continuous project management from start to finish.We specialise in creating functional living spaces that enhance property value while minimising disruption to homeowners. Our reputation is built on over five decades of customer satisfaction, with a focus on transparency, no hidden costs, and personalised service. We handle all administrative tasks, including structural calculations and building regulation approvals, as part of our turnkey offering. Customer testimonials highlight our professionalism, attention to detail, and ability to complete projects on time and within budget. Our services cater to diverse property types, including Victorian terraced homes, semi-detached houses, detached properties, and bungalows.
Services
Loft Conversions
Home Extensions
Bi-Fold Door Extensions
Dormer Conversions
En-Suite Installations
Details
- Year established: 1963
Highlights and features
- We offer over 56 years of specialist experience in loft conversions and home extensions
- Our turnkey service covers everything from design to final completion
- Continuous project management from experienced directors throughout the build
- Directly employed qualified tradesmen ensure consistent quality standards
- Insurance-backed warranties through the Federation of Master Builders scheme
Associations and certifications
- Federation of Master Builders
- Build Assure
What people say
Professional and courteous team
Completed on time and budget
High-quality finish
Excellent project management
Minimal disruption to home
Services
Loft Conversions
We specialise in creating functional living spaces from existing roof spaces. Our expert team handles all aspects from initial design to final certification. Projects include dormer extensions, Velux conversions, and complex structural modifications while maintaining building regulations compliance. Each conversion includes electrical certification and building control approval.
Home Extensions
We deliver single and two-storey extensions tailored to your property type. Our service includes architectural drawings, planning applications, and full construction. We specialise in bi-fold door extensions and kitchen/dining room expansions that maximise natural light and add significant property value through thermally efficient designs.
Design Consultation
Our free initial consultation includes comprehensive property surveys and CAD design visualisations. We develop detailed specifications and accurate costings based on your requirements. We handle all administrative tasks including structural calculations, building regulations, and planning permissions applications on your behalf.
Project Management
Each project benefits from continuous director-level management throughout the build process. We coordinate all aspects from material procurement to tradesmen scheduling. Our team ensures minimal disruption to homeowners while maintaining strict quality control and adherence to agreed timelines.
Warranty Services
We provide insurance-backed warranties through the Federation of Master Builders' Masterbond scheme. This covers all workmanship aspects with full documentation including architectural drawings and building control certificates. Our post-completion support addresses any minor issues promptly, demonstrating our commitment to long-term customer satisfaction.
People
Simon Johnson
Director
With over 30 years in the business, Simon leads design consultations and project planning. He ensures every customer receives tailored advice on maximising their property's potential while maintaining regulatory compliance.
Tyrone Smith
Project Manager
Tyrone oversees daily operations and client communication. With 15 years' experience, he manages timelines and quality control, ensuring minimal disruption to homeowners while maintaining strict adherence to building regulations.
Charlotte Baker
Design Coordinator
Charlotte specialises in creating detailed CAD designs and managing administrative processes. She has been with the company for 10 years, ensuring seamless transition from design concepts to approved planning applications.
Gary Williams
Lead Carpenter
As a master craftsman with 25 years' experience, Gary leads our carpentry team. He specialises in complex roof structures and ensures precise execution of architectural designs while maintaining safety standards.
Olly Thompson
Senior Tradesman
Olly has been with the company for 8 years, demonstrating exceptional skill in multiple trades. He consistently receives client praise for his attention to detail and ability to adapt to project requirements.
Questions
What areas do you cover for loft conversions?
We operate throughout Bristol, Bath, and surrounding areas, with most projects completed within a 20-mile radius of our Fishponds base.
Do you handle planning permissions for extensions?
Yes, we manage all administrative tasks including planning applications, building regulations, and structural calculations as part of our comprehensive service.
Are your tradesmen directly employed?
Yes, we directly employ all core tradesmen, ensuring consistent quality control and accountability throughout your project.
Can I view completed projects before committing?
Yes, we can arrange visits to recent projects and provide customer references to help you make an informed decision.
Do you offer warranties on completed work?
We provide insurance-backed warranties through the Federation of Master Builders' Masterbond scheme covering all aspects of our workmanship.
How do you handle dust and disruption during conversions?
We schedule invasive work late in projects, use dust containment systems, and clean daily to minimise disruption to your home environment.
Reviews (4)
Lucie Westwood
Jun 26, 2021
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We would highly recommend C&A Johnson for a loft conversion. We had our loft converted in 2015 and couldnt be happier with our new space. C&A Johnson were very helpful through design and planning and we never felt rushed with decisions. The two teams involved in the different stages of the conversion were efficient, very tidy and professional. We were impressed by how they managed to keep mess to a minimum, even when it came to breaking through the loft floor for stair access. One element which stood out for us was how C&A approached finishing the loft bathroom. We decided to use wall boards
Val
Feb 21, 2021
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C&A carried out two separate projects on our house culminating in a reconfiguration of upstairs and complete refurbishment of the property - ceilings, walls, insulation, kitchen, bathrooms, 're wire, 're plumb Their expertise over what would be possible was invaluable. Everyone involved was professional, polite and respectful to us and of our home. They kept us informed at every stage, discussed outcomes, arrived on time and left areas as tidy as possible before leaving each day. Would not hesitate to recommend based on our experiences.
Lawrie Mills
Jan 30, 2021
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We had a nice size loft conversion carried out by C&A Johnson. From the 1st stage until the last, everyone involved was amazing. You will not regret choosing to have work carried out by them. In fact I am about to start my next build project with them.
Chris Humphries
Nov 18, 2020
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Informed, professional and excellent quality of service from start to finish from Simon and the team.
C&A Johnson listened and tailored the design to suit our preferences, whilst recommending invaluable experience to fully utilise the loft space.
Simon went above and beyond during the planning stages to answer questions regarding the project with neighbours - a service we didn't expect, but fully appreciated. Would not hesitate to use C&A Johnson in the future.
C&A Johnson listened and tailored the design to suit our preferences, whilst recommending invaluable experience to fully utilise the loft space.
Simon went above and beyond during the planning stages to answer questions regarding the project with neighbours - a service we didn't expect, but fully appreciated. Would not hesitate to use C&A Johnson in the future.
