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Garden room project · Garden Spaces

Garden cinema & games room by Garden Spaces

A 5.5m × 4m cinema and games room near a forest, with a sedum roof on a reinforced structure, vermin mesh around the screw piles and cabling run to five points.


Published 6 February 2025 · Updated 24 October 2026 · 0 minute read · Written by The Garden Room & Annexe Guide

Inside the garden room has plenty of room for reconfiguring furniture for games and cinema nights
Garden Spaces  5.5m × 4m cinema and games room

Garden Spaces worked closely with their client to create a bespoke garden room tailored to family entertainment. Designed as a multi-purpose space, the 5.5m x 4m building serves as a cinema and games room, offering a comfortable and inviting environment for watching films and spending quality time together. The collaborative design process ensured that the finished garden room met all of the items on the client’s wish list while seamlessly integrating into the surrounding garden.

At a glance

  • Size: 5.5m × 4m.
  • Built for: Family film nights and games, projected onto the rear wall.
  • Construction: Screw piles with vermin mesh, and a roof reinforced for sedum.
  • Electrics: HDMI, data and speaker cables to five locations, with a ceiling projector.
  • Company: Garden Spaces, who built it in two and a half weeks, according to the client.

Part of our games room guide →

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The brief

The client had a clear vision

While the client had a clear vision for how the space would be used, they relied on Garden Spaces’ expertise to shape the design. A key requirement was for the building to blend harmoniously with the garden, while also being pest-proof due to the property’s proximity to a forest. The final design incorporates a sedum roof, which enhances the natural integration of the building, while a reinforced roof structure ensures it can fully support the weight of the green roof system.

The garden room was finished with a sedum roof covering to help it blend into its location
Sedum roof
The Thermowood cladding has been fixed vertically and pairs well with the Anthracite Grey door and windows
Thermowood  with Anthracite Grey frames

The exterior is finished with high-quality timber cladding, chosen to complement the Anthracite doors, windows, and trims. A 3D model was created during the design phase, allowing the client to visualise the roof canopy, decked step, glazing placement, and overall aesthetic before installation began. The French doors, which open outwards, create a seamless transition between the insulated interior and the garden, while a large casement window (1200mm x 1050mm) allows for natural ventilation without compromising the room’s functionality as a cinema space.

Garden Spaces create a 3d model of their designs so clients can get a clear ideal of how their building will look
The 3D model: the design before installation.
Floor plan of the cinema and games room showing the placement of doors and windows
The plan: the doors and windows.
Foundations

Strong foundations and pest-proofing measures

Garden Spaces’ experienced team recommended a screw pile foundation system, which creates a suspended floor, minimising disruption to the garden while providing a stable base for the building. Understanding the client’s concerns regarding pest-proofing, Garden Spaces incorporated vermin mesh around the perimeter during installation. This protective measure is just one example of how Garden Spaces takes a collaborative approach, ensuring each building meets the client’s specific requirements and environmental considerations.

The ground screw foundation has been enhanced with a vermin control mesh
Vermin mesh  around the ground screws
Inside

A space optimised for entertainment

Inside, the garden room is finished to Garden Spaces’ high standards, featuring professionally plastered and decorated walls paired with engineered wood flooring. The spacious layout comfortably accommodates multiple seating arrangements, allowing the family to reconfigure the space as needed-whether for watching films on the large back wall or gathering for conversation and games.

Inside, the room is plastered and decorated with the electrical wiring positioned for the projector and streaming tv and films
Inside  wired for the projector

A key aspect of the design was the bespoke electrical specification, ensuring the room was fully equipped for its purpose. Garden Spaces worked with the client to incorporate all necessary cabling, including HDMI, data, and speaker wires routed to five different locations, with brush plates for a clean, streamlined finish. The projector is discreetly positioned on the ceiling, with hidden cabling, and projects onto the wide rear wall-perfect for an immersive cinema experience.

The French doors open out onto the garden offering free flowing indoor outdoor space
French doors  opening onto the garden
The result

A fully realised vision

Thanks to Garden Spaces’ expertise and client-focused approach, the finished cinema and games room is a versatile, comfortable, and well-integrated addition to the home and garden. By carefully balancing natural light with the practical needs of a cinema space, reinforcing the roof for a sedum system, and ensuring pest protection, Garden Spaces has delivered a high-performance garden room that meets the client’s expectations in every way.

Client review

Client review

We are very happy with the games room Garden Spaces built for us in late 2024. We first spoke to them in the Spring, when we had a vague idea of size and spec but not the details. Robert worked with us over a few months to help us narrow down the details and try out different designs, especially around the windows and doors, answering lots of questions and preparing six drafts of the design and quote. We took a while to find an third party contractor to prepare the site, during which time Robert was very patient and helpful, but once we were ready to go, the build was impressively fast; just 2.5 weeks for Sergio and his team to build a 4.5m x 5.5m room, with a green roof, and some complex last-minute wiring for a home cinema. The final build is lovely – it looks great, hit the spec, was delivered absolutely finished to a great standard, and has already changed the whole way we use our garden. We’re also impressed with how cozy the small electric heater makes the space – a real treat given the build was finished just before Christmas! Would definitely recommend Garden Spaces to anyone – it was a professional and reassuring experience from beginning to end.”

Planning something similar?

Learn more about Garden Spaces

To learn more about creating a garden cinema and games room, chat to the Garden Spaces team on 0845 387 9 387 or by emailing info@gardenspaces.co.uk. Explore www.gardenspaces.co.uk to see more examples of Garden Spaces’ work.

Visit Garden Spaces More Garden Spaces projects
More projects like this Games rooms and bars 20–30sqm garden rooms
Read the guides What garden rooms cost Permitted development What is a garden room?

Published 6 February 2025 · Photographs courtesy of Garden Spaces.

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