Our customers are very important to us. We show true dedication to meeting their exact needs, and this is what keeps them returning to us for Building work time and time again.


All aspects of extension installations and extension design carried out by KST Building Services throughout areas of London.

At KST Building Services Ltd, we are experts in the designing and construction of any home extensions in London. Getting an extension built is an extremely useful way of increasing the internal space of your property. This is perfect if you have a growing family or if you are looking to extend an existing room or create an entirely new space altogether. At KST Building Services Ltd, we can help you with every step of your extension project, from the planning stage to laying the final brick.

Why Have an Extension in London?

An extension is an excellent way to increase the internal space in your property. No matter what type of room you are looking for, an extension can be shaped and tailored to suit your needs. Whether you are wanting a space for your kids to play in, a space to host social events, or any other purpose, an extension can be built to suit this need. At KST Building Services Ltd, we can complete any extension project, including offering expert advice on how best to make the most of the space available to you.

At KST Building Services Ltd, we specialise in the construction of any extensions in London. We take great pride in any building projects that we undertake and this is evident through the amount of work that we have garnered through word-of-mouth recommendations. We always aim to exceed our customers’ expectations, and this is why they are always happy to recommend us to their friends and family.

For more information on the extension services that we can offer throughout London, give us a call today on 0208 333 7356 or 07564 168587, or send us a message through our contact page.​

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