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About Us

3rdSpace create contemporary, high-quality spaces for garden rooms, studios and modular buildings. Each space is carefully crafted in the UK using modern construction methods to produce exceptional small buildings that are quick to install. 3rdSpace began in 2010, to create a new kind of micro-architecture that could provide high-quality spaces, built to last and available to all.

Services Provided

Conservatory Design & Installation, Gazebo Design & Construction, Greenhouse Design & Installation, House Extensions, Shed Design & Building, garden room, garden office, garden studio, modular building, modular garden room, Garden Gym, Home Gym

Areas Served

Stratton Audley, London, Muswell Hill, Chiswick, Fulham, Oxford, Margate, Brighton, Hove, New Forest, Sussex, Milton Keynes, Northumberland, Cambridge, Highgate, Greater London, Archway


In the media, 3rdSpace projects have featured in such high-profile publications as Design Milk, Elle Decoration and Wall Street Journal.

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8 Projects

2 Bay Modular garden room

2 photos
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3 Ideabooks

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Unit 4, Willows Gate
Stratton Audley OX279AU
United Kingdom
Typical Job Cost £18,340 - £36,945
Our Modular range starts at £18,340.00 including VAT and UK installation* 3rdSpace buildings are fully insulated for year-round use and are factory-made in the UK for exacting quality and quick installation. (*excludes foundations and delivery)
United Kingdom
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