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Use our form to estimate the initial cost of renovation or installation.

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Diamond Construction Ltd. is an expert in the area of comprehensive renovation or refurbishment of houses in different styles. As experienced, recognized building contractor we provide complete services and cooperate closely with Local Authorities, which guarantees that the changes introduced are compliant with current regulations and standards. We also have lots of professional certificates, which include such guarantees, as:

  • electric,
  • plumbing,
  • gas-safety.

To prepare unique plans for your building makeover, we turn your creative ideas into reality. We specialize mainly in loft or basement conversion, house extension as well as renovations of other rooms. Additionally we provide all extra services complementing the overall design of your property. For instance, we offer handcrafted gates and driveways installation. We manufacture and install iron, steel and wrought gates, all of which are galvanised and powder coated. They are always individually designed and handmade in our own factory for guaranteed delivery dates.





Trust the experience and professionalism of Diamond Constructions Ltd. and convert, extend your house or get fantastic bespoke furniture for your interiors.

  • Financial Responsibility to Our Clients
  • On Time and on Budget
  • Real focus on Customer Satisfaction
  • Superior Quality and Craftsmanship
  • Quality and Value to the Project we deliver


  • Can my house be extended?

    A: It might come as a surprise for you but the good news is that about 90% of traditional houses can be converted. The first step is a survey in situ carried by our professional team.

  • I’m afraid my house is too small.

  • How much will it cost?

  • How long will the work take?

0208 648 56 00
0790 483 75 81

Unit 4, 245 Church Road
Mitcham CR4 3BH

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