Cosstart Building Services

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Building Property Extensions within a 50 mile radius of Bromley, Stratford, London

Enhance your property’s value and appearance by building a new extension. When you choose CosstArt, your property extensions will be designed and constructed to meet your needs and budget. Our team in London serve a wide range of domestic and commercial clients and we are confident that we can meet and exceed your expectations. Get in touch with our builders today to discuss our affordable building extension services.

Design and Construction

All of our fully insured and qualified contractors are highly skilled in the building trade. No job is too big or too small for our team, who have more than 13 years’ experience of designing and constructing property extensions from Bromley to Stratford. Trained to deal with any situation, we take care of all aspects of your extensions, including:
  • Joinery Services
  • Flooring Installations
  • Lighting Installations
  • Electrical and Plumbing Work

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Bespoke Property Extensions

We specialise in building property extensions to suit your requirements and budget.
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Proudly Serving Clients within a 50 mile radius of Bromley, Stratford, London