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About us
House Extensions Specialists You Can Trust
Looking to extend your home in Cardiff? At James White Construction LTD, we specialise in high-quality house extensions for homeowners across Cardiff and nearby areas. From single-storey and double-storey extensions to rear and side extensions, we deliver reliable workmanship and outstanding results.
A professionally built home extension is a cost-effective way to add space, improve comfort, and increase your property’s value without the hassle of moving. Our experienced local builders manage your project from start to finish, ensuring clear communication and high standards throughout.
Contact James White Construction LTD
today for a free, no-obligation quote and expert advice.
Services
The Services We Provide
Cardiff's Trusted Experts
Contact Cardiff’s Trusted House Extension Specialists
Ready to get started? Call us today or request a free house extension quote. Let us take the stress out of extending your home in Cardiff. Your satisfaction is our priority, and we’re proud to serve the Cardiff community with reliable, professional house extension services.
Why Choose Us for House Extension Services in Cardiff?
When it comes to house extensions in Cardiff, we stand out as the trusted local choice. With our strong local knowledge, we understand the planning requirements and building styles of homes across Cardiff. We handle everything from initial design and groundwork to construction and finishing, ensuring every extension is completed to the highest standard.
Our commitment to fair pricing, reliable workmanship, and outstanding customer service makes us the preferred house extension company in Cardiff
for homeowners and property owners alike. Trust us to extend your home professionally, efficiently, and with quality you can rely on.
Frequently Asked Questions
What You Need To Know
Do I need planning permission for a house extension?
Not all house extensions require planning permission, as many fall under permitted development rights. However, this depends on the size, location, and type of extension. We can advise whether planning permission is needed for your house extension and help guide you through the process.
How long does it take to build a house extension?
The timeframe for a house extension varies depending on the size and complexity of the project. On average, most house extensions take between 8 and 16 weeks to complete, once work begins.
How much does a house extension cost in the UK?
The cost of a house extension depends on factors such as size, design, materials, and location. A site visit and detailed quote will provide an accurate price based on your specific requirements.
Will a house extension add value to my property?
Yes, a professionally built house extension can significantly increase your property’s value while adding usable living space. Extensions such as kitchen extensions and open-plan living areas are especially popular with buyers.
Will you manage the entire house extension project?
Yes, we offer a full design-and-build service for house extensions, managing everything from planning and groundwork to construction and final finishes for a smooth, stress-free experience.


























