Conversions in Surrey

What we offer

House Extensions

At At Line Construction Ltd, we are a reputable construction company based in Sutton, taking on house extension projects across South London. As an established team, our construction specialists are all skilled experts with many years of experience working in the trade. This allows us to achieve extension results that stand out from the crowd, which ensures as a team we meet and even exceed expectations with every project we take on.

Extensions can be an ideal solution for a large proportion of household circumstances, making house extensions one of the most in-demand home improvement projects available. At Line Construction Ltd, it is our job to assist property owners throughout the area who are looking to expand their property through the construction of an additional, functional living space.

We understand personal requirements, circumstances and preferences can vary when it comes to the function and overall aesthetic of a house extension and therefore plan and design each project with our customers and their household in mind. To do this, we conduct a high-specification planning consultation whereby our team discuss an array of extension features, fixtures and fittings prior to creating the extension plan. This process is crucial as it allows us to gain a clear understanding of the desired extension results, which ensures our customer expectations are met and even exceeded once the extension is complete.

As an established team, we work closely with leading manufacturers who supply us with our premium construction materials. Additionally, we work with top-of-the-range tools and equipment to build our extensions which ensures each of our extensions are constructed to a durable, first-class standard.

With the significant role safety plays in any construction project, our specialists at At Line Construction Ltd are kept up to date on all current regulations, standards and guidelines. This ensures all of our extensions are built with optimal safety and the environment is maintained in a hazard-free condition for the duration of our time building the structure. Therefore, when choosing to undergo your extension with us, you can be sure that the entire process will be conducted meticulously and the finished results will adhere to all safety regulations, preventing future issues from arising.

To discuss your house extension ideas with us or for any additional information regarding our extension projects at At Line Construction Ltd, give us a call on 07908925575 and one of our specialists will be happy to assist you.

How we work

Our process

Hiring us to take care of your building work could not be simpler. Just get in touch with us and tell us what you need, and we will arrange the rest!

Start process


Tell us the details

Reach out to us using whichever contact method suits you, and tell us about your requirements.


We provide a quote

We will then go over the details and provide you with a no obligation quote to have the work carried out.


We will solve your problem

Our team are highly qualified and will always provide a solution to any building problem you might have.