Experienced builders in Surrey

With JNA Developments London Ltd, you can be sure to receive a reliable, honest, and professional building service. From loft conversions and extensions to wall tiling and kitchen installations, we provide a range of services tailored to your individual requirements.

About us

With over 25 years of experience, JNA Developments London Ltd specialise in providing loft conversions, house extensions and major building structural alteration work. Since the business was established, we have tried to maintain a fresh approach to building services, liaising with the customer throughout the whole process to create exactly what they want. Our team of knowledgeable builders strive to provide the highest quality work, offering our expert knowledge and advice to suggest ideas that would work best for your project. For your peace of mind, all the work we carry out is fully insured and guaranteed. Would you like to find out more about our services? Speak with a member of our team today.

Home extensions

If you're looking to create a little extra space in your home, a house extension could be the perfect answer.

Loft conversions

Transform your unloved loft into a relaxing, comfortable living space. Contact us for more information!

Building refurbishments

Give your home a complete makeover with our exceptional building refurbishments.

Expert flooring services

From Mezzanine floors to hardwood flooring, you can trust us for all types of flooring installation.

Comprehensive home improvement services

You can rely on us for all your home improvement needs in Surrey and South West London. From garage conversions and home electrics to kitchen installations and tiling, we offer an extensive range of building services that are tailored to your needs. All work we undertake is executed with great attention to detail and exceptional workmanship. The majority of the work we undertake comes from recommendations so you can be assured you’re in trusted hands. For more information, get in contact with us today.

Fully trained employees

All of our tradesman are City and Guilds or NVQ equivalent trained. We also cover gas safe and napit.

Why should you choose JNA Developments London Ltd?

Architectural services

We have a full architectural service taking care of plans and building control from first meeting to completion.