Loft Conversions Bristol - Loft Conversions Bath - Attic Conversions Bath - Attic Conversions Bristol

Welcome to C & A Johnson

The Loft Conversion And Home Extension Specialist - EST 1963

C & A Johnson Ltd is a family run company who have been designing and constructing loft conversions and home extensions in Bristol, Bath and the surrounding area for nearly 50 years. We have built our reputation on our quality of work and customer satisfaction. Established in 1963 and being a member of the Federation of Master Builders for many years you can relax in the knowledge that our long established company can offer a well designed and constructed loft conversion or extension to your home where customer care and quality have become second nature.


Customer Care starts here

If you are considering selecting a contractor to convert your loft as an extension to your home then C & A Johnson can guide you through the process from initial loft design to finished project. We provide a no obligation loft and extension design service to assist you in making some informed decisions. We hope our site is informative and the profile of our company is sufficient for you to give us a call.

Recent Loft Conversions and Home Extensions                                                                      

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Why C&A Johnson

Free, no obligation initial consultation
Free, no obligation initial consultation at which most questions can be answered with a measuring service carried out by one of our experienced directors.


Free, no obligation specification
Free, no obligation detailed specification and estimated cost based on the initial consultation and measure.

Free, no obligation re-visit
Free, no obligation, re-visit to discuss  design and cost and, options arising.


  • Personal service and attention to detail
  • Work carried out by tradesmen directly employed by our company
  • Registered Heating and Electrical contractors with full certification
  • Work passed by the local authority in full compliance with regulations
  • C&A Johnson the loft conversion and home extension specialist covering Bristol, Bath, Trowbridge, Frome, Melksham, Wells, Tetbury, Saltford, Wiltshire and Avon.

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Company Registration No. 4403226 V.A.T Registration No. 138 8093 44

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