All building work is undertaken from home extensions to erecting walls.


Transform your garden with G&J Building the garden landscaping specialists.


Increase the living area and even the value of your property with a home extension.


We can install, replace and repair all types of  UPVC Fascias and Guttering.

G & J Building Maintenance

We are Gary & James, together we are G & J Building & Maintenance Ltd. Your friendly builders, both willing & able to do all your building & maintenance work. We are based in Thornbury, South Gloucestershire, near Bristol. 


We are registered window and door fitters with assure. With the competent’s persons scheme we are able to self-certify that all work we undertake is done so to the current building regulations.

This allows you to rest assure that all windows and doors fitted by G and J Building Maintenance is done so to the highest standard leaving you confident that your home is safe and secure.