House Extensions
More Space
More Comfort
More Value
At KWIK Construction, we specialise in high-quality house extensions that transform how you live in your home. Whether you want a modern open-plan kitchen, additional living space, or a full rear or side extension, we design and build solutions tailored to your property and lifestyle.
Our team manages the entire process from start to finish, ensuring a smooth, stress-free build. We focus on quality craftsmanship, attention to detail, and delivering extensions that not only look great but add real long-term value to your home.
Fully Insured
Your project is protected from start to finish.
Free Quotes
Clear, transparent pricing with no hidden costs.
Local & Reliable
Trusted North London builders with a strong reputation.
Quality Workmanship
Skilled trades delivering exceptional results.
On Time & On Budget
We deliver projects when we say we will.
5 Star Rated
Highly rated by homeowners across North London.
WHY CHOOSE KWIK CONSTRUCTION
Local House Extension Experts You Can Trust
We’re trusted North London builders specialising in high-quality house extensions that transform how you live in your home. From design to completion, we deliver expertly crafted spaces with a focus on quality workmanship, reliability, and a smooth, stress-free experience.
Get in touch today
Receive your free quote
“Outstanding Work”
Professional, reliable and easy to deal with from start to finish. The work was completed to a high standard and we’re really happy with the result.
Carol Simmons
Areas we cover
House Extensions Across North London
KWIK Construction provides high-quality house extensions across North London, helping homeowners create more space, improve their homes, and add long-term value. Whether you’re based in Finchley, Barnet, Enfield, Muswell Hill, Hampstead or nearby areas, our experienced team delivers tailored extension solutions designed to suit your property and lifestyle.
From modern rear extensions and open-plan kitchen layouts to full structural alterations, we manage every stage of your project from start to finish. Our focus is on quality workmanship, clear communication, and delivering extensions that blend seamlessly with your existing home.