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Leka Xi Modular Garden Rooms

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10 year wrd guarantee 400x400

Leka XI GRP Modular Insulated Garden Rooms in Hampshire

Transform your home with a stunning, fully insulated, modular garden room. Constructed with the innovative Leka Xi system, these modern GRP structures, are the ideal way to add an additional living or work space to your home. Your new space can be attached to your property or freestanding. This multi-functional installation is perfect for various applications.

40 year leka warranty 400x400
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Leka Xi Modular Garden Rooms

wrd leka xi registered installer logo

Stunning, fully insulated, modular garden rooms, constructed with the innovative Leka Xi system. These modern, thermally efficient structures are the ideal way to add an additional living or work space to your home, quickly and easily.

Our Garden Room Range

The Retreat

A fully customisable flat roof, timber look garden room

The Retreat Plus

A fully customisable flat roof, timber look garden room with side canopy

What is a Leka Xi Modular GRP Garden Room?

A Leka Xi Modular GRP Garden Room is a modern, fully insulated garden building designed to create comfortable additional living space all year round. Built using an advanced Glass Reinforced Plastic (GRP) framework, the system is lightweight, durable, and engineered to deliver excellent thermal performance. Each structure is precision-manufactured off-site, helping to ensure a high-quality finish and a faster installation process.

The modular design allows every garden room to be tailored to your requirements, with a range of sizes, layouts, glazing options, and external finishes available. Whether you're creating a home office, gym, hobby room, or relaxing retreat, a Leka Xi Garden Room offers a practical, stylish, and energy-efficient solution for making the most of your outdoor space.

Outstanding Thermal Efficiency

One of the standout features of a Leka Xi Garden Room is its impressive thermal efficiency. Every element of the system has been designed to help retain heat and create a comfortable internal environment throughout the year. From the insulated floor structure to the high-performance wall and roof components, each part works together to reduce heat loss and improve energy efficiency.

The GRP framework incorporates advanced insulation materials, while insulated plasterboard and quality flooring further enhance thermal performance. Energy-efficient double glazing is also fitted as standard, helping to keep your garden room warm during the winter and comfortable during the summer. The result is a versatile space that can be enjoyed in every season.

The Benefits of a Leka Xi Garden Room

Modular garden rooms offer a number of benefits over traditional brick and timber builds:

40 year leka warranty 400x400

40 Year
Leka Warranty

The Leka XI system is built to last, so all XI garden room parts come with a 40 year Leka manufacturer warranty.

rapid installation times

Installation Only
Takes Days

Usually installed in a matter of days, so no need to endure months of noise and construction chaos.

no excavation required

No Excavation
Required

Ground screws eliminate the need for heavy machinery and excavation, ideal for gardens with limited access.

excellent thermal efficiency

Thermal
Efficiency

Insulated with PIR & EPS to exceed UK building standards, and provide superior thermal efficiency.

maximises usable space

Maximises
Usable Space

The wall structure of the Xi system provides up to 52% more internal floor space than brick builds.

10 year wrd guarantee 400x400

10 Year
Guarantee

All of our Leka XI installations are guaranteed for 10-years, even if you sell your home to someone else.

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Why Use Us For Garden Room Installation in Hampshire?

We Only Use High Quality, Energy Efficient Products

Our Team Are Leka Experts & Highly Skilled

We Have Excellent Reviews & Hold A Range of Accreditations

We Guarantee Our Work & Our Prices

Realistic Timber Look GRP Cladding Options

Choose from a wide range of realistic timber look, weather resistant, impact proof, engineered cladding options. Cladding slats can run vertically or horizontally, and are available in a range of colour options to suit your property's aesthetic.

Frontonio Vertical

Frontonio Horizontal

Solvonio Vertical

Solvonio Horizontal

How Is A Leka XI Modular Garden Room Built?

The innovative Leka XI modular GRP system, is a warm, sustainable alternative to traditional wood or brick garden rooms. Made from highly engineered, pre-fabricated modular sections, every part of the Xi system has been factory tested before delivery.

Here is our step by step guide to how Leka XI insulated garden rooms are constructed:

Modular Garden Room Ground Preparation

There is no need for extensive groundwork with the Leka Xi system, as the adjustable feet can be installed on any of the following:

wrd leka xi garden room concrete base

Existing Concrete Hardstanding

If you already have a concrete hardstanding, this may be a suitable base.

wrd leka xi garden room concrete pads

Concrete Pads

Alternatively, basic concrete pads can provide a suitable base.

wrd leka xi garden room ground screws

Ground Screws

Ground screws are an excellent option, especially where the ground is uneven.

The Xi System Framework

After the ground has been prepared, the main framework can be installed:

wrd leka xi garden room grp base system

GRP Base Framework

The Leka Xi GRP base system framework is installed.

wrd leka xi garden room base insulation

Base Insulation

Then PIR insulation sheets are placed between the joists.

wrd leka xi garden room grp wall system

GRP Wall Framework

The pre-fabricated wall sections are then installed.

The Xi System Walls

Once the basic framework is in place, the rest of the wall elements are added:

wrd leka xi garden room wall insulation

Wall Insulation

High-grade EPS insulation is fitted between the GRP framework for thermal efficiency.

wrd leka xi garden room wall boards

Water Resistant Boards

The insulation is then covered with a layer of water resistant boards.

wrd leka xi garden room exterior cladding

External Cladding

The exterior is then finished with the chosen GRP realistic look cladding.

The Xi System Roof

Once the walls are completed, the roof can be added:

wrd leka xi garden room grp roof system

GRP Roof Framework

The Leka Xi GRP roof system framework is installed.

wrd leka xi garden room roof insulation

Roof Insulation

Then insulation sheets are inserted into the framework.

wrd leka xi garden room roof insulation

Water Resistant Boards

The insulation is then covered with water resistant boards.

Final Elements

The final selected elements are then added to the structure:

wrd leka xi garden room roof epdm

Roof Covering

The selected roof finish and any glass options are added.

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Doors

The chosen door options are then installed.

wrd leka xi garden room windows

Windows

Along with any window options that are selected.

Finishing Touches

Lastly, the interior is finished and any optional extras are added:

wrd leka xi garden room internal boards

Internal Boards

Floorboards are installed and energy-efficient plasterboard is added to the interior walls and ceiling.

wrd leka xi garden room interior cladding

Interior Finish

The walls and ceiling can optionally be skimmed, or finished with internal cladding.

wrd leka xi garden room power & lighting

Electrics & Lighting

Power can be run to the structure and sockets and lighting call also be added additionally.

Leka XI Gallery

Check out our Leka XI gallery, to get inspiration for your garden room project.

Leka Xi Installation Video

Watch our Leka Xi installation video, to see how the system works in more detail.

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