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TRJ Construction Garden rooms.
Made for your life. arrow_downward Bespoke SIP garden rooms real projects real projects plan your room plan your room Designed around your life.

plan your garden room plan your garden room Find Your Space Find Your Space About TRJ Bespoke SIP garden rooms explore our projects explore our projects Work. Create. Unwind. A quiet office. A personal gym. A place to create, unwind or welcome someone in. Every TRJ garden room starts with how you want to use it. We bring together layout, natural light, materials and practical details to create a space connected to your home.

Garden Rooms Your Garden. Your Purpose. guide prices guide prices Your Garden Room Starts With the Way You Want to Live Work & Create Offices & studios A quiet office or creative studio, planned around your working day, lighting, storage and connections. 10sqm offices from £14,000+ including VAT. Train & Unwind Gyms & multi-use A private gym or flexible family room, shaped around your equipment, ventilation and everyday life. 15sqm from £21,000+ including VAT. Welcome & Connect Bathrooms & business Discuss a WC, shower, therapy room or business space from the outset. Services, access, privacy and planning shape the design. Bathrooms from £30,000+.

Let’s Make Room Together 04 Every project starts with a conversation. plan your room plan your room Explore the Benefits of SIP Construction Discuss groundwork, structure, electrical provision and finishes together. Your quotation confirms the agreed scope. A Coordinated Project Explore the Benefits of SIP Construction 03 125mm SIP walls and 150mm roof and floor systems form the basis of our garden-room construction. A Substantial Specification Explore the Benefits of SIP Construction 02 A carefully sealed envelope helps reduce unwanted draughts. Appropriate ventilation remains part of the design. Airtightness & Ventilation Explore the Benefits of SIP Construction 01 A rigid insulating core sits between structural OSB faces. Carefully detailed joints and openings support thermal comfort. Insulation Built In

Garden Room Uses One Garden. Many Possibilities. Everyday Freedom Multi-use rooms Bring together relaxation, hobbies and family activities in a flexible room. Glazing and the layout connect the space naturally to the garden. Room for Your Ideas Creative studios Make space for music, art or a favourite hobby. Storage, lighting and any acoustic requirements become part of the design brief. Wellbeing at Home Garden gyms Design a private training space around your equipment, floor requirements and ventilation, with room to stretch and move comfortably. A Place to Focus Home offices Create a dedicated workspace away from household distractions. Plan desk space, sockets, network connections and daylight around your working day.

Cedar Garden Studio — generous glazing, bespoke design Brentwood Garden Office & Gym — from the TRJ portfolio Ashtead Real TRJ Projects See What a Garden Can Become

Your garden. Your space. Designed around your life. Your garden. Your space. Your garden. Your space. Designed around your life. TRJ Construction Designed around your life. Your garden. Your space. Designed around your life. Your garden. Your space. Your garden. Your space. Designed around your life. TRJ Construction Designed around your life.

Guide Prices 125mm SIP walls Guide price incl. VAT check_circle 150mm roof & floor Your Room. Your Specification. check_circle Bespoke design check_circle Final scope by quotation Request a quote Request a quote From £21,000+ Office, gym or studio From £14,000+ 10 sqm check_circle Guide price incl. VAT check_circle Insulation built in check_circle Glazing to suit your brief check_circle Finishes to suit your home 15 sqm check_circle From £28,000+ 25sqm from £35,000+ Guide price incl. VAT check_circle Flexible multi-use space check_circle Bathroom options available check_circle Site & specification affect price 20–25 sqm Discuss your room check_circle Discuss your room Plan your room Plan your room

Garden Room FAQs Your Questions, Answered Can it have a bathroom? 04 · Facilities A WC or shower can be included where the site and services allow. Water supply, drainage, ventilation and intended use are assessed for your project and affect the design and cost. What can I use it for? 03 · Purpose A home office, gym, creative studio, hobby room, relaxation space or therapy and business room. Tell us your intended use so the layout, facilities and specification can reflect it. Can I use it all year? 02 · Comfort Yes. SIP insulation and carefully detailed construction support everyday use. Heating, cooling and ventilation are planned around the building, its location and your requirements. How much does it cost? 01 · Cost From £1,400 per sqm including VAT: 10sqm £14,000+, 15sqm £21,000+, 20sqm £28,000+ and 25sqm £35,000+. Design, access, foundations, glazing, services and finishes determine your final quotation.

Construction FAQs The Practical Details What is included? 08 · Specification Discuss foundations, SIP structure, interior and decoration, lights and electrical provision, windows and doors, flooring, cladding, roof covering and upgrades. Your quotation sets out the exact inclusions. Which foundations? 07 · Groundwork We typically use engineered screw piles. The suitable foundation system is assessed against ground conditions, loads, access and the proposed design. What about planning? 06 · Planning The route depends on the property, dimensions, position and intended use. We discuss the requirements for your proposal; sleeping accommodation or business use may require a different approach from a domestic office. Why SIP construction? 05 · Structure Structural Insulated Panels bond structural OSB faces to an insulating core. The garden-room specification uses 125mm SIP walls and 150mm roof and floor systems, with full construction details agreed for your design.

Your Project A Confident Start Can I customise it? 12 · Finishes & extras Discuss timber, composite or rendered cladding; grey uPVC or aluminium glazing; laminate, engineered wood or vinyl flooring; EPDM or pitched roofing; air conditioning, skylights, sound systems, CCTV and network cabling. What happens next? 11 · Your build Your idea: share postcode, size, use and access photos. Your design: agree layout, materials, planning and services. Your build: foundations and SIP construction. Your finishing touches: complete the room for everyday use. Which areas do you cover? 10 · Coverage Hertfordshire, Buckinghamshire, Essex and North London, including Watford and Barnet. Send your postcode so we can discuss arrangements for your location. How long will it take? 09 · Programme Timing depends on size, specification, site access, ground conditions and any approvals. We discuss a programme before work starts, with a schedule suited to your garden room.

What Could Your Garden Become? Step Into a Space Made for You Tell us your location, approximate size and how you want to use the room. We will discuss a bespoke layout, specification and quotation. start your project start your project