Master builders of bespoke luxury garden rooms
Expertly designed & fully-finished Annexes Granny Flats Guest Suites Garden Rooms Home Gyms Office Spaces Lodges
Architectural Vision Meets Master Craftsmanship
At Sleek Garden Rooms, we bridge the gap between traditional home extensions and modern architectural design. As specialist garden annex builders, we are more than just installers—we are master craftsmen dedicated to creating bespoke garden rooms that serve as fully functional, self-contained living spaces.
Our mission is to provide high-end, year-round living solutions right in your backyard. Whether you require a luxury granny flat for a loved one, a premium guest suite, or a detached garden office, our buildings are engineered to the highest standards. We use advanced structural insulation and premium materials to ensure every annex is energy-efficient, durable, and indistinguishable in quality from a brick-and-mortar home.
The Studio
Maximum impact, minimum footprint. The perfect garden retreat or luxury home office.
The Suite
The ultimate living solution. Spacious, self-contained luxury for modern families
The Lodge
Nature meets modernism. Bold architecture paired with sleek natural finishes.
Why Choose Sleek Garden Rooms
Architectural Personalisation
Every garden and family need is unique. We offer a bespoke design service that allows you to customise everything from the floor plan and window placement to premium cladding finishes like Western Red Cedar or modern composites.
Thermal Integrity
Our builds aren’t glorified sheds; they are high-performance spaces. We deliver “A-rated” insulation that keeps your room cool in the summer and warm in the winter.
Fixed-Price Certainty
We provide a comprehensive, fixed-price quotation following your site survey. Once the design is locked in, the price is set. There are no hidden “extras”—what we quote is exactly what you pay.
Turnkey Service
We handle every single trade. From groundworks and plumbing to high-end electrical fit-outs and the final coat of paint, we deliver a “ready-to-move-in” space. You just provide the furniture; we provide the rest.
Seamless Planning
We can guide you through the entire process, including all council correspondence and building regulation applications.
High-Speed Delivery
A traditional home extension can take 6 months and turn your garden into a mud pit. Our precision-engineered annexes are often completed in a matter of weeks, with minimal disruption to your daily life and zero mess left behind.
Don't Just Take Our Word For it
