Construction Company in London
Residential and commercial building services in London, including house extensions, home renovations, shop refurbishments and fit-out works.
About Us
Canghai Construction is a London building company delivering house extensions, renovations and commercial fit-out projects with a practical, quality-focused approach.
Our Mission
To create beautiful, functional spaces through quality construction, reliable project delivery and expert craftsmanship.
Our Value
Quality, integrity, customer focus and innovation guide everything we do across residential and commercial projects.
Our Building Services in London
We deliver residential and commercial construction services across London, with a focus on extensions, renovations and fit-out projects. From structural works to high-quality finishes, we provide practical building solutions tailored to each property.
House Extensions
Single-storey, rear and side-return extensions designed to create more usable living space and add value to your property.
Home Renovations
Complete and partial home renovations, including layout alterations, internal upgrades, kitchens, bathrooms and finishing works.
Commercial Fit-Outs
Practical fit-out solutions for retail, café, restaurant and other commercial premises, tailored to operational and opening requirements.
Shop Refurbishments
Refurbishment works for existing shops and trading spaces, including structural alterations, finishes, services and frontage upgrades.
138+
Customers
Across UK to Ireland
15+
Years Experience
Extensive industry experience
68+
Projects
A wide range of construction projects
What Our Clients Say
“We hired the team for our home renovation, and they exceeded all expectations. Their craftsmanship and attention to detail were outstanding. We couldn’t be happier with the results.”
Sarah Murphy
“The team transformed our restaurant exactly as we imagined. They were professional, efficient and paid attention to every detail. The new design looks amazing and works perfectly for our daily operations.”
Kaiwen Zhang
“We have worked with this company on several projects and they consistently deliver quality work. Their team is skilled and reliable. There were minor delays on one project, but overall they are a solid partner we would work with again.”
Ben Flenn
“I have collaborated with this company on multiple residential projects. Their team demonstrates strong technical skills and a commitment to high-quality workmanship. I highly recommend them to anyone seeking reliable construction services.”
Randall Smith
Premium Partnership
