About Us
Garden Rooms Online designs and builds bespoke, insulated garden rooms across Buckinghamshire & Berkshire. Built in under a week, backed by a 10-year warranty. Learn about our story.
Garden Rooms Online is a Buckinghamshire-based garden room specialist designing and building premium, insulated garden rooms across Buckinghamshire and Berkshire. From our base in Flackwell Heath, we serve homeowners within a 30-mile radius — from Marlow and Henley-on-Thames to Windsor, Maidenhead, Beaconsfield, and beyond.
We design, manufacture, and install bespoke garden rooms — from compact garden offices to large multi-purpose garden buildings. Every room we build is fully insulated, with composite walls (no cladding), Our signature promise: bespoke garden rooms built in under a week.
We also install composite decking, glass verandas, and outdoor kitchens — helping you transform your entire outdoor space, not just adding a room.
We're not a national chain. We're a local, family-run business that treats every project like it's our own. Here's how we work:
We build with premium composite materials — not traditional timber. Here's why:
We believe composite is the future of garden room construction. It looks better, lasts longer, and requires none of the upkeep of timber.
We cover Buckinghamshire and Berkshire, including:
Marlow, Henley-on-Thames, Beaconsfield, Gerrards Cross, Windsor, Maidenhead, High Wycombe, Amersham, Princes Risborough, Aylesbury, Slough, Reading, Wokingham, Bracknell, Newbury, and surrounding villages.
If you're not sure whether we cover your area, just ask — we'll let you know.
We're proud of our reputation. We hold a 5.0-star rating across 13 Google reviews, all under the Garden Rooms Online name. Our customers consistently praise our quality of work, tidiness on site, and the speed of installation.