Office & Shed Combo

CFM Office & Shed Combo

Our popular Office & Shed Combo is the perfect solution for anyone who wants a fully insulated, year-round workspace with the added convenience of secure garden storage. Built to the same high standards as our other CFM garden rooms, this combination unit uses energy-efficient SIP construction, premium materials, and clever design to give you the best of both worlds.

(Available in 9 sizes - prices below)

What’s Included

  • Design & Consultation – Bespoke advice tailored to your garden and lifestyle

  • Foundations – Installed using high-performance RADIX ground screws

  • Precision Assembly – Built with highly energy-efficient SIP panels:
    • 125mm thickness for floor and walls
    • 150mm thickness for roof
    (Option to upgrade to 150mm throughout)

  • C24-grade treated structural timber used throughout for strength, durability, and long-term stability

  • Windows & Doors

    • Your choice of aluminium French window + single door or aluminium bi-folding doors for the office

    • Concealed shed door – custom-built and clad to match the exterior, fitted with a lock - or steel security door

  • External Cladding

    • Front elevation: Western Red Cedar – sustainably sourced, naturally weather-resistant, and low maintenance

    • Remaining sides: Steel cladding – strong, modern and requires no upkeep for 25+ years

  • Tyvek Housewrap
    A breathable membrane fitted behind the cladding to protect SIPs from moisture.

  • Roofing
    1.5mm EPDM rubber roof for durability and excellent weatherproofing, with black guttering included.

  • Fully Finished Interior – Office Side

    • Electrical Installation
      • Installation of interior wall lights (client-supplied)
      • Four double power sockets in total – two with integrated USB charging ports
      • Two exterior wall lights
      • Wi-Fi–controlled switch for external lights

    • Flooring
      • Premium thick laminate flooring
      • High-quality underlay
      • Finished with matching skirting boards

    • Plastering & Decorating
      • Smooth plaster finish on walls and ceiling
      • Painted in a crisp, neutral colour throughout

    • Heating
      • Smart electric heater with Wi-Fi control and built-in thermostat
      • Slim, freestanding design — not wall-mounted for flexible positioning

  • Fully Fitted Shed Side

    • Simple Rubber Flooring

    • Lighting and electrics: Consumeri unit, lighting and metal-fronted socket

  • Site Clearance
    Once the build is complete, we’ll clean and clear the area – leaving your new office and shed combo ready to enjoy.

Planning your garden room is easier than you think. See our How Does It Work? page for a full breakdown of each step.

Prices are subject to change and extra charges might incure if there is limited side access or it’s further than our usual reach area.

Please check our past projects here.

Pricing

Home Pro 1 - 4.88m x 2.44m - £25,500

Home Pro 2 - 4.88m x 2.70m - £26,250

Home Pro 3 - 4.88m x 3.00m - £26,950

Studio Pro 1 - 6.10m x 2.44m - £28,500

Studio Pro 2 - 6.10m x 2.70m - £29,250

Studio Pro 3 - 6.10m x 3.00m - £29,950

Executive Pro 1 - 7.32m x 2.44m - £32,950

Executive Pro 2 - 7.32m x 2.70m - £33,500

Executive Pro 3 - 7.32m x 3.00m - £34,500

All prices include VAT, installation and foundations.