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Welcome to J & M Loft Conversions

J & M Loft Conversions have been established in Kent for 44 years. We are a traditional, family run business and provide high quality, cost effective loft conversions to homes across Kent, London & Surrey. Our experience, along with our unique ability to manufacture required parts at our factory means we can build your loft conversions in half the time as our competitors. By part constructing your loft in our factory, it saves you time and money as we don’t need to spend months working at your home! Our aim is to turn your dream conversion into reality, making ideal living spaces in your home as well as adding value to your property. An average dormer conversions with a large bedroom and en suite bathroom is ready to decorate within 4 weeks. 

Why choose J & M Loft Conversions

  • Vast portfolio of work to view
  • We work differently to other firms by part constructing your loft in our workshop, to ensure the best time efficiency
  • All work is designed and tailored to blend in with the style of your home
  • Easy & flexible payment plan
  • More than 43 years of experience converting loft spaces
  • NIC EIC Approved Domestic Installer
  • See what our customers say on our Testimonial page

Do we cover your area?

Most of our work is carried out within the London Borough of Greenwich, London Borough of Bexley and the Dartford Borough. We also work within the Bromley Borough and around Kent.

Does it cost anything to get an estimate?

It will not cost you anything to get an estimate from J & M for your Loft Conversion requirements. We also offer:

  • FREE Feasibility Study
  • FREE Sketch Plans
  • FREE Fixed Price Estimates
  • 10 YEAR GUARANTEES ON ALL WORK