House Extensions in Barnet & Cuffley, Built Around How You Live
Create more space without moving. We design and build rear, side-return, kitchen and wrap-around extensions for homes across Barnet, Cuffley and North London, managing planning, building control and the build through to the final finish.

Recent Local Building Project Proof
For examples of our local building workacross Barnet, East Barnet, East Finchley and North London, see our casestudies. They show how Wittick Building manages the practical preparation,structural considerations and finishing details that support a successful homeimprovement project.
FAQs
Discover the areas we cover and how we can assist you in your location.
We plan each project carefully, maintain a tidy site, and keep communication clear throughout the build to minimise disruption to your home.
We build rear extensions, side return extensions, wrap-around extensions, and multi-storey extensions for homes across North London.
Yes. We offer a complete design-and-build service, coordinating planning, building control, and construction for a smooth, well-managed project.
Most extensions take between 12 and 20 weeks, depending on the scope of work, access, and whether structural alterations are required.
This depends on the size and design of the extension. Some extensions fall under permitted development, while others require planning approval. We advise on this early and can manage the process if needed.
Yes. We regularly deliver house extensions in Barnet, Cuffley, and across North London, managing the full build from initial consultation through to completion.
Transform Your Space Today
Thinking about an extension? Let’s make it happen!




