Explore completed projects that combine a flexible main room with other practical uses, such as separate storage. Open a case study to see the layout, photographs and details of that particular job.
Explore the projects
Building work by TRJ Construction Ltd for Garden Spaces · West Chiltington, West Sussex
A cinema suite with acoustic treatment and a separate glazed entrance room. Building work by TRJ Construction Ltd for Garden Spaces in West Chiltington, West Sussex.
Independent living close to family, with practical access and bathroom facilities. Building work by TRJ Construction Ltd for Garden Spaces in Berkshire.
Family games, a kitchenette and a shower room in one generous studio. Building work by TRJ Construction Ltd for Garden Spaces in Dulwich Village, London.
Explore a Farnham garden games room for pool, table tennis and film nights. Built by Costi and his team for Garden Spaces. Read the full customer review.
A garden building and canopy carefully arranged around an existing tree. Building work by TRJ Construction Ltd for Garden Spaces in Kingston upon Thames, London.
Explore the Winchester garden office with storage in Essex: a 15 m² main room and 5.6 m² store. Built by TRJ for Garden Spaces in 2017. View photos and plan.
Explore a London garden room with integrated storage, sliding doors and decking. Built by Costi and his team for Garden Spaces. Read the customer’s review.
An 8.2 × 4 m SIP garden room in Chiswell Green with separate storage, Thermowood frontage and provision for future services. Read Adam’s five-star review.
A family pavilion for games, films and everyday use, with storage alongside. Building work by TRJ Construction Ltd for Garden Spaces in Beckenham, London.
TRJ Construction Ltd is a specialist Structural Insulated Panel (SIP) construction company delivering high-performance garden rooms and granny annexes across North London, Hertfordshire, Buckinghamshire and surrounding counties.
We design and build engineered living spaces using 150mm roof and base SIP systems, 125mm structural walls and professional K-Render finishes — creating buildings designed for durability, efficiency and long-term value.
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