SIP Construction Blog

Explore garden rooms, granny annexes, planning and the construction details behind a well-designed building.

39 articles · Page 5 of 5

Garden rooms & design

Why Build a Garden Room?

Constantin Tiseanu · 28 June 2020

Why build a garden room? Explore flexible uses for work, fitness, hobbies and leisure, with practical considerations for an insulated garden building.

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Garden rooms & design

Bespoke Granny Flats

Constantin Tiseanu · 27 June 2020

Explore bespoke SIP granny flats for independent family living. Read about layouts, practical requirements and planning a comfortable garden home with TRJ.

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Planning & regulations

Planning Permission for Garden Buildings

TRJ Construction Ltd · 1 June 2020

Understand planning permission for garden buildings, including height, boundaries and permitted development. Check what applies to your property.

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About Us

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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TRJ Construction Ltd – Structural Insulated Panel Specialists covering North London & The Home Counties.

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Why Build a Garden Room?

Bespoke Granny Flats

Planning Permission for Garden Buildings

+44 7966 800519

costi@trj-construction.co.uk

About Us

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TRJ Construction Ltd – Structural Insulated Panel Specialists covering North London & The Home Counties.