Scores based on 47 reviews

Reliability & timekeeping

Invoice history based on 43 reviews.

Invoice History
Charged as per quote / estimate86.05%
Above quote / estimate: kept informed13.95%
Appointments reported as missed (6 months) 0
Average score 9.73
47 reviews
  • Interviewed by Checkatrade
  • Insurance checked
  • ID checked
  • References checked
  • Checkatrade standard signed

Welcome to JCM Installations Limited. We are a Southampton based, family run, building company who have been working in the Southampton, and surrounding areas, for 25 years. 

We are skilled in the following areas:


  • Building extensions (the shell to a plastered finish, with plumbing, electrics, double glazing, flooring, drainage, roofing, removal of any walls and installation of steelwork) 
  • Porches and lofts
  • Able to supply plans and structural calculations to ensure a stress free alteration to your property 
  • Groundworks, driveways and drainage
  • Decking, patios and fencing
  • Fascia, soffits & guttering  
  • Chimney specialists (repair, re-pointing and removal)


  • Contract and maintenance work for shops, offices and other businesses

We work to a high standard and have worked with many people in our local area. We have some great feedback and examples of our work can be viewed here at Checkatrade. 

Look forward to hearing from you about your next project.

Thanks, Justin.



Based in

Upper Shirley, Southampton, Hampshire, SO15 7RN

Works in

Southampton, Winchester, Romsey, Chandlers Ford and all surrounding areas in Hampshire.