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Home Improvements


House Extensions and Conversions



CSI Ltd is a Building Contractor based in Barnet and operating throughout all of Greater London. With a team of highly experienced Builders and Joiners, we provide a professional, quality and reliable building and construction service CSI Ltd has a wealth of experience in house building, renovation, large extensions and civil engineering for both residential and commercial clients. Projects include Housing Developments, Barn Conversions, House Extensions, New Build Homes, Office Blocks and Industrial Buildings.


  • We work for several insurance companies, undertaking major repair and reinstatement works for fire and flood damaged properties, both commercial and domestic.
  • Our experience in refurbishment, combined with our expertise in sustainable construction techniques, provides leading edge solutions to optimize the energy efficiency of domestic homes.






Control System Installation Ltd is professional installers and fitters and specialists in all residential refurbishment and improvements for all type properties.  Whether you are renovating or refurbishing a flat or a house we can help


We provide free quote service and we assure you that all work will be done according to building regulation and professionally finished on time, Please request our free quote


The experience of our team will help you to choose the most suitable materials and also may help you with trade discounts that is available to us from our suppliers

We will handle all work and work closely with to achieved your desired finish



Home refurbishment and improvements service in London



Our bathroom and kitchen installers and fitters are experienced in all type of refurbishments and renovations; please call us to find out about our full home improvements services

Your home improvements plan can be achieved by having a professional network of rated builders in London, Electricians, Plasterers, Kitchen Fitters, Bathroom Installers and Plumbers





Bathroom Installation


Bathroom installation and refurbishments in North London


We have a dedicated and experienced team of bathroom installers and fitters, whether you are planning to replace your old bathroom suite, upgrade it or having a complete bathroom renovation we can help. Our teams do all kind of bathroom fitting jobs including fitting complete bathroom suites, cabinets, shower enclosures, pumps, mixers and all kind of bathroom accessories.



Investing in a new bathroom renovation project will add extra value to your property since new bathroom and kitchen always are the highest priority in any buyers list when looking for new home. Having your new bathroom suite, Mixers, accessories and tiles fitted by professional bathroom fitters will help you achieve that and more.



We can beat any written quote from any high street store


Our London Fitters, Installers and Plumbers have years experience in fittings all types of high street bathrooms including, Wicks Bathrooms, B & Q Bathrooms, IKEA Bathrooms, Homebase bathrooms, Bathstore and many more.


Bathroom installation and refurbishments Service include


  • Free Bathroom installation planning and design advice
  • Fully inclusive fixed price
  • Written quotation and quick start
  • Complete service and work guarantee
  • Guaranteed start dates and realistic completion date



Kitchen Fitting


Are you having a new kitchen fitted, refurbished or renovating your existing kitchen?


A fantastic kitchen design and well thought layout can only be achieved if your new kitchen is professionally fitted by experienced fitter, our kitchen fitters are trained to pay great attention to your design, refurbishment and renovations plans


We offer free quote for all kitchen fittings, refurbishments, appliance installation and complete room renovation by our team of kitchen fitters


We fit all types of High street kitchens including B and Q Kitchen, Wicks Fitted Kitchens, IKEA Kitchen cabinets, Kitchen worktops, Homebase Kitchens, Howdens kitchens and many more.


We can beat any written quote from any high street shop


We will beat your written quotation from any major stores, our installation service in London includes all work required for a complete professionally fitted cabinets, units, tiles, taps, worktops and appliances. PLEASE request our free Kitchen Fitting quote

All kitchen fitting quotes are free. Prices are fixed so no need to worry about any increase in prices that other kitchen fitters may do. Your quote may include any other service upgrade that is required by Electricians or Gas safe engineer


Qualified Kitchen Installers and Fitters


A member of our kitchen fitters team will survey your existing kitchen and go through your planned layout for any upgrades required for your kitchen.

Building regulations requires your building contractor to provide you with an Electric safety installation certificate and a Gas safe Certificate on completion of work.


Certified Electrician and Gas safe registered Engineer will fit your Appliances and follow all the safety steps required to comply with the latest kitchen fitting regulations.



Complete Kitchen Fitting and Installation Services


  • Removing and disposing your old Kitchen, tills and plumbing
  • Plastering, Skimming and Painting
  • Kitchen Walls and floor tiling
  • Install new fitted appliances
  • New Electrical installation (lights, spot light, Oven, electric hobs …)





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Annual Safety Certificate

I used CSI Ltd to carry out an extensive PAT testing at my dental practice...

Dr Reza Farid Dental Practice

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Honestly Prices

I received a price from CSI for a new boiler installation but I decided to go with another company that gave me very cheaper ...

Shirin N9

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Gas & Electrical Safety Certificate

Very helpful staff over the phone and also on the day of the engineer's visit the guy was really friendly...

David EN4

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Efficient and Organized

CSI Ltd were extremely professional from the initial quote to the end of the job.

Birdwatch Magazine

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