House Extensions Canterbury
Looking to extend your home in Canterbury? We design and build high-quality kitchen extensions, rear extensions, side returns and two-storey additions
High-Quality Extensions Built Around Your Home & Lifestyle
Home Extensions
If you love your home but need more space, a well-designed extension is the perfect investment. At Canterbury Builders, we specialise in creating beautifully built extensions that add room, value and comfort without the stress.
Whether you’re looking for a light-filled kitchen extension, an extra bedroom, a larger living area or a full two-storey addition, we manage the entire process — design, planning support, construction and finishing.
Our team delivers extensions that blend seamlessly with your home, enhancing both the look and functionality of your property.
Types of Extensions We Build
Create More Space With a High-Quality Home Extension
Rear Extensions
Transform the back of your home with a spacious open-plan living or kitchen area. Ideal for families wanting more room to cook, dine and relax.
Side Return Extensions
Make the most of unused space alongside your property. Perfect for terraced and semi-detached homes looking to create a wider, brighter internal layout.
Two-Storey Extensions
Add more living space upstairs as well as downstairs. Ideal for expanding bedrooms, adding ensuites or creating new family rooms.
Kitchen Extensions
Design a modern, functional kitchen with space for dining, entertaining and everyday family life.
Why Choose Canterbury Builders for Your Extension?
✔ Local Knowledge
We understand Canterbury’s property styles, planning challenges and building requirements — helping your project run smoothly from concept to completion.
✔ End-to-End Project Management
You get one dedicated team handling every stage, ensuring quality, consistency and clear communication throughout.
✔ High-Quality Craftsmanship
Your extension is built using reliable materials, proven construction methods and attention to every detail.
✔ A Stress-Free Experience
We take care of all the hard work so you can enjoy the results — a beautifully finished extension that feels like a natural part of your home.
More of our services
Garden Rooms & Outbuildings
Create valuable extra space with a purpose-built garden room, office, studio or insulated outbuilding. Designed to suit your home and lifestyle, our garden structures are sturdy, versatile and finished to a high standard — ideal for work, hobbies, relaxation or year-round additional living space.
Roofing
From small repairs to full roof replacements, we handle all roofing work safely and professionally. Whether you need leak repairs, tile replacements or a completely new roof, our team ensures your home stays secure with durable, high-quality workmanship built to last.
Garage Conversions
Turn an unused garage into a warm, functional living area that adds real value to your home. Whether you want a home office, bedroom, studio or playroom, we manage the full conversion — including insulation, electrics, plumbing and finishing — for a smooth, stress-free transformation
Request Your Free Quote
Tell us about your extension plans and we’ll provide a clear, competitive quotation.