4Mark renovate spaces to last a lifetime
Our aim is to make your vision a reality whilst ensuring minimal disruption and quality execution.
For over 25 years we have focused on uplifting existing spaces, conversions and extensions - giving you more space, light and comfort for a happier healthy life.
"They provide a refreshingly different approach to building work in London, which must be applauded"
— Alan J Peach
Our Services, at your Service.
As a service leader and household name in West London, we focus on providing excellence to our clients through construction and collaboration with trusted partners.
Renovate.
Raise your game with an extension to your kitchen, basement, or loft. Our team can work with even the most challenging of spaces, turning them into environments to work, play, and host in - all whilst ensuring it compliments your existing spaces.
Convert.
Reimagine your space without needing to apply for planning permission. You can achieve maximum transformation with minimal disruption - your imagination need not be restricted.
Extend.
Whether you are looking to extend your basement or loft, we can develop even the most challenging of spaces into environments to work, play and host in.
“Owing to the high standard of work and the good relationship throughout, we wouldn't hesitate to recommend 4Mark to anyone”
— Gemma Hennessy
Our Process.
We Consult.
To guide you through the planning permission process, we consult with District Surveyors and Local Authorities to provide a seamless and stress free experience
We Partner.
Working with industry-leading architects and interior designers, we are able to turn your home into a creative space-saving environment to represent a unique extension of the self.
We Build.
We operate an in-house construction team, all trained to deliver a standards of long-lasting excellence