Business as Usual

We are still operating under official guidelines during lockdown.

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House Plans

Have you got permission from your local authority?

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House Extensions

Why move home when you can extend your property?

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Loft Conversion

Thinking about converting a room or space in your home?

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House Designs

Need some help getting your ideas down on paper?

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Do you still have some questions you need answering?

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Welcome to 4C’s Conversions and Extensions

4C’s are a professional building firm from West London with a head office in Ealing. After launching the company, we have used our ideas; experience and team of expert builders to continually grow the business locally in Ealing and have since launched a second office in Buckinghamshire.

Home Improvements

We are specialists in construction and home improvements ranging from house extensions through to loft conversions. Like any professional companies based in the city, our focus is to provide reliable solutions in the building and construction industry.

4C’s use traditional building techniques and latest technology to ensure that our customers receive the highest quality of service and the finest finished results. From any initial ideas through to the completion of the project, you can rest assured that our team in Ealing will provide you with reliable advice in addition to unprecedented expert support.

No Planning…

Did you know that some types of building and construction work do not require planning permission? Imagine extending or converting part of your home without the costs involved in securing planning permission, simply by abiding by the regulations set out by the Government! Our team in London will explain all of the options available to you to help you make the right choices with any investments regarding home improvements.

Get in Touch

When you first get in touch with 4C’s, we will talk to you about the type of project you are interested in embarking on. Perhaps you need some extra space in the form of a house extension because you are planning to expand the family or maybe you would like to add some value to your property with an attic room or loft room.

If you have questions regarding the loft conversions or house extensions we design, plan and build for our customers, please call our London based team in Ealing on 0208 997 8321 or 0208 567 9321. Alternatively you can get in touch with us via email on

Call us today on 0208 997 8321 or click the button to get your