Clark Conversions Ltd have over 10 years of experience in the field of carpentry, joinery and project management of loft conversions. We are based in Hertfordshire, North London and Essex and are likely to have built high quality loft conversions in your or surrounding areas.

We also provide a 12 year guarantee which is more than most companies will give.


Free quotations. Always.

One of our trustworthy team can provide you with a no obligation, free quotation. We’re happy to show our latest projects too. Contact us today to book your FREE quotation.

Will it add value?

Simply yes. Value is 2 fold. The conversion will add space to your home, whether you need an extra bedroom/en-suite, playroom, office or bathroom. Your house price will increase too.

Project management

We manage the project from start to finish and cater for all your needs. Our highly skilled tradesman will complete your conversion to the highest standard. Just see our testimonials!

Why choose Clark Conversions?

  • 12 year guarantee
  • 4-8 week completion
  • Qualified professionals
  • Trustworthy
Year Guarantee
Weeks Completion
Percent value added
Happy Customers


  • Loft was done very well, very quickly and very on time.