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BillyOh Studi Insulated Garden Room

Our stylish Insulated Garden Building will give your garden the ‘wow’ factor whilst transforming it into a place that can be used all year round. Designed and manufactured to the highest standards, this garden building is a fully insulated, structurally efficient building that, unlike timber buildings, is virtually maintenance-free. The uPVC doors and windows, structural insulated panels and high-performance EPS insulation make the Studi our most advanced garden building.

14ft x 8ft


Just Bearers - Pre-cut pressure treated timbers that are designed to lock out ground moisture and still allow the air to circulate underneath your shed.

Eze Base - Solid stable pressure treated base to your shed and can even fill it in with concrete. This base ensures your garden building has a rigid, level base.

EcoBase Fastfit Full Base - A foundation grid system used as a base for garden buildings. Quick and easy to assemble

Eco Base

An alternative to using a concrete base or slabs. A grid system made from recycled plastic which can be filled with gravel to create a sturdy base for your building.

Add optional extras

Discover our range of BillyOh accessories that allow you to customise your very own garden building to very last detail.

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  • Advanced Structural Insulated Panels (SIPs)
  • High 2.2m eaves height
  • Fully integrated 65mm walls with EPS foam insulation
  • Pre-primed ready-to-paint interior walls
  • Heavy duty 44x88mm and 44x44mm framing
  • uPVC 27mm double glazed doors and windows
  • 19mm log floor foil insulated as standard
  • 45mm foam roof insulation, with 11mm Tongue and Groove boards
  • Protective EPDM rubber roofing as standard
  • High security multi-point locking system
  • Base Coat Treated for Transit
Overall Dimensions (Includes Roof Overhang)
  • (A) Width: 4.13m (13ft7)
  • (B) Depth: 2.96m (9ft9)
  • (C) Eaves: 2.28m (7ft6)
  • (D) Ridge: 2.40m (7ft10)

Why buy the Studi Insulated Garden Room?

Hand-crafted </br>in the UK
in the UK

Over 20 years of experience in design and production

Highly </br> Efficient

Low energy use, eco-friendly design

Fast  </br> Installation

Handy pre-assembled wall panels

Year Round </br> Use
Year Round

Fully insulated roof, floor and walls

The Studi Insulated Garden Room

The Studi Insulated Garden Room
Fully Insulated

Optimal thermal efficiency with double-skin insulated walls with insulated floor and roof. Keeping you warm in the winter and cool in the summer, the EPS foam insulation and double glazing, provide you with the freedom to create a unique and contemporary garden room with endless potential uses.

Heavy Duty Framing

This insulated garden room utilises heavy-duty timber studs in between each SIP. Panels slot over 44x88mm studs where they meet with a pair of 44x44mm studs in each corner for increased structural integrity.


Because this building is fully insulated it can be used for an array of uses. From a home office with a view of the garden to a beautiful relaxation space to entertain your family and guests. The perfect addition to any garden it is designed to be customisable and easy to decorate inside and out.

Key Features

Double-Glazed uPVC Doors and Windows

27mm double-glazed doors and windows as standard with uPVC window and door frame for peak energy efficiency.

Pre Primed Interior Walls

Supplied with a white finish, ready for you to paint in any colour of your choice.


The UPVC Doors and Windows and included EPDM Rubber Roof help to prevent any water ingress or leaking giving you a low effort building for years to come.

Low Maintenance

This building is supplied with a rot-resistant composite finish, which is easy to paint in any colour of your choosing and requires very little maintenance.

Multi-point Locking

The Studi Insulated Garden Room includes a multi-point locking mechanism that ensures maximum security to your building and the content inside.

Easy Assembly

Made up of pre-made and ready-insulated panels and support posts that have been measured and cut by our expert craftsmen.

Modern SIP Construction

Modern and advanced in their design, Structural Insulated Panels (SIPs) are pre-insulated panels with a foam core sandwiched between two pieces of cladding. They’re used as the building material for the walls and roof panels, making your building easy to assemble and pre-insulated. SIP buildings are strong, exceptionally energy-efficient, cost-effective and easy to construct.
Modern SIP Construction

Premium Insulated Garden Building

Our most premium insulated garden building is designed for when you need more in your life than just some extra space - for when you need the perfect space. Whether it's to run a business or a home cinema, the Studi's multi-point locking mechanism with anti-pick, bump and drill door locking cylinder will keep your garden room safe.
Premium Insulated Garden Building

Explore the ways you can use your Studi:

How your Studi is constructed...

1. Pre-Primed Interior Walls

A perfect base for you to decorate the interior of your building, ready primed to be painted or wallpapered however you prefer.

2. 45mm EPS Insulation

Guaranteeing a comfortable building, year-round; cool and relaxing in the summer, warm and cosy through winter.

3. Sturdy 44x88mm Timber

Designed to give you a strong long-lasting building, that is easy and quick to assemble.

4. Rot Resistant Composite Cladding

Designed to protect your building with little maintenance required.

1. 19mm T&G Boards

Provides an additional layer of insulation, a sturdy floor to walk on and an ideal base for laminate flooring, carpet or just leave it uncovered for a gorgeous wood finish.

2. Ecofoil Insulation

Easy to install and protects against cold weather. Heat can easily be lost through the floor of your building, so our foil protects against this, making a cosy space for all seasons.

3. Pressure Treated Bearers

Make for a sturdy base on which to assemble your building, protecting against moisture and rot.

1. EPDM Rubber Roof

Gives unparalleled water resistance and year-round protection against water ingress and leakage.

2. Sturdy 11mm T&G

The same high quality easy to install T&G boards that we have tried and tested across our wide range of buildings, designed to give water protection and a stylish pent roof.

3. SIP Roof Panels

The same style of panels as the walls themselves, these use the same great materials for the same great features. 45mm EPS insulation and a pre-primed interior make these easy to install and protect against any weather.

4. Strong 100x44mm Purlins

These give the roof boards a sturdy base, preventing sagging and making installation even easier. Ready to paint inside or leave exposed for a classic style.

Why Buy an Insulated Garden Building?

At Garden Buildings Direct, all of our cabins have a wide range of uses: from garden rooms to office space, but none so much as the BillyOh Studi Insulated Garden Room.

Perfect for creating usable space in gardens of any size, the Studi Insulated Garden Room is a blank canvas that’s designed to last. The structural insulated panels used to construct the SIP Insulated Garden Building mean that it’s ready for immediate use year-round. Whether you’re building the next big business from your garden, or you simply want somewhere to relax after work, this cabin caters to all needs.

From the moment you set eyes on it, the Studi Insulated Garden Room’s ultra-modern and contemporary design stands out beautifully. The colour-customisable uPVC fascia and window frames not only keep every section of your office sealed and snug but offer a lovely accent to this building.

The surrounding windows allow you to look out on your gorgeous garden or your children playing, whilst letting in natural light to work or relax by. And the muted but clean design of the Studi Insulated Garden Room has been lovingly created to blend naturally with any garden.

The high-raised eaves, measuring 2.2m, mean that transporting all your office, band, gym, or even home cinema gear in and out is a smooth process. And with a large 4x2.5m blueprint, there’s ample space to fit everything you need into your dream garden room.

Build your perfect garden space with confidence that your Studi Insulated Garden Room won’t require planning permission due to its height or size. And for whatever wonderful idea you have in store for it, your possessions will be kept safe overnight or when you’re away with high-security multi-point locking mechanisms.

Once you’ve constructed your Insulated Garden Room, using our helpful digital assembly instructions and the easy-to-fit, ready-made SIPs, you’ll be ready to customise it. Whatever purpose your Studi Insulated Garden Room finds, you can be sure that fully-insulated walls, windows and doors, and roofing will keep the weather out and you and your family in.

Buying from Garden Buildings Direct means investing in a guarantee of quality with every purchase. That’s why the Studi Insulated Garden Room also comes with a 10-year guarantee against rot for peace of mind.

Dimensions 14ft x 8ft
Width 413cm
Depth 296cm
Eaves Height (Inc Floor) 228cm
Eaves Height (Excl Floor) 222cm
Ridge Height (Inc Floor) 240cm
Ridge Height (Excl Floor) 235cm
Door Opening Size (w x h) 176cm x 162cm
Door Width 85cm
Door Height 180cm
Width (Internal) 399cm
Depth (Internal) 235cm
Window Dimensions 53.5cm x 0cm
Glazing Thickness 2.8cm
Cladding Sizes Available 66mm
Minimum Base Width 411cm
Minimum Base Length 246cm
Materials 14ft x 8ft
Glazing Material Double Glazed (Glass)
Features 14ft x 8ft
Veranda Available? No
Cladding Style 9mm Composite Timber Cladding
Windows 5 Opening Windows
Roof Style Pent
Please Note: This product has been designed as an affordable solution to most popular light domestic uses. All products supplied self assembly flat packed unless otherwise stated.

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