Excellent house extensions - built to your requirements

Are you looking to increase the space in your property? Perhaps you have a growing family and need to create a new bedroom or living space. Contact JNA Developments London Ltd. Our aim is to make sure that your new extension is built to all your required specifications. We serve clients in Surrey and South West London

Create more space in your home

Extensions are a great way of adding value and much-needed space to your home without the hassle of moving to a larger property. You can count on the team at JNA Developments London Ltd to help you plan and construct your extension, tailoring the build to meet your specific requirements and building style. Whether you desire to extend your kitchen and living space or want to add a new bedroom for your children, we’re the specialists to call.

Adding space & value

Get in contact with JNA Developments London Ltd for thoughtfully designed house extensions at competitive prices. With an eye for detail and an innovative approach to the best use of space, we can provide a house extension that you will be proud to show off. Call us to discuss your specific requirements.

Our house extensions services:

From start to finish, we can do it all. Take a look at our

Complete project management

From the initial design through to the project completion, our highly skilled and experienced team will take care of everything for you. We will ensure that all building work is carried out to the highest of standards and complies with the current building regulations.

Extensions by the experts

Whether you need an extra bedroom, a playroom for your kids or a bathroom, we have the skills to deliver an amazing finish you will be happy with. No matter how big or small your building extension project is, our team of experienced and dedicated professionals will be glad to help you.


Drone Survey Service

JNA developments also run a drone survey & aerial architectural service.