Loft Conversion London


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Over the years we have carried out 100s of loft conversions. We are proud of every one of them, turning each disused attic space into beautiful rooms for our clients and families.

In London, where space is at a premium and still a family city, more space is often required. Perhaps you want that spare room for guests, a home office or want to develop your property for sale or rent, whatever you’re looking to do with your London loft extension, Clapham Construction Service has already done it for someone else and we can do it for you.

Remember these are fully completed and decorated, to give you an idea of space, quality and possible finish, but every house is unique and so is every building service we provide.

Complete Process

We manage the design and build for you, planning permission, structural design, building control and your project manager will be on your site almost daily to oversee the works and keep you updated.


Our works are warrantied, but they will stand much monger than that. We are builders primarily and our teams are experts with quality on our mind – you will get weekly inspections by the owner to ensure we deliver.

10 – Year Warranty

Exactly what it says. We provide you with a warranty to cover you and your home for any defect from our works so you don’t have to worry. In addition you get an independent certificate by the regulators confirming that our works meet the approved building standards.

We Add Value

A loft conversion with us can add up to 25% to the value of your home, making it one the best investments you can make.


In London no two properties are alike and neither are their owners. The same can be said of the lofts in London, however having built hundreds, we at Clapham Construction Service, understand a thing or two about them. Though the finish may be different for every client the structure follows a few set designs.

We have laid them out for you here to gain a better understanding. During the home consultation we will help you choose the right one for you and your home.

View Our Design and Build Process

Check out the work of our amazing teams and
what we can achieve in your home

Want some friendly advice?

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Our clients love us, because we provide honest and straightforward information and advice, no sales pitch, no hassle! We are trusted because we aim to satisfy all of our clients, not just build a job for profit. We do this by being open and honest from the start, right up to the finish. So if you want to get some information or want some advice about a potential project, just give us a call or drop a line.

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