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Self Build Garden Room Guide/3m x 3m Insulated Roof Panel Build Up Garden Room - Sample Plans & Self Build eBook
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3m x 3m Insulated Roof Panel Build Up Garden Room - Sample Plans & Self Build eBook

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Steel faced insulated roof panels are popular in garden room design as they remove the need for rafters, so they are quick to install. Insulated panels are a sandwich of two layers of colour coated steel with rigid insulation in-between — the steel layers forming the final interior and exterior finishes. Even if you are thinking of a different size garden room, these plans will give you insight into the build-up.
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An in-depth look at building a garden room with an insulated roof panel build-up

When building a garden room, you have a choice when it comes to the roof structure you choose. These Sample Plans look at the typical build-up of a well-specified garden room that utilises an Insulated Roof Panel.

With an Insulated Roof Panel build-up, you remove the need for a timber roof structure, which considerably cuts down the work. Insulated roof panels are a sandwich of two layers of colour coated steel with insulation in-between them. 

The insulated roof panel forms the interior and exterior finishes of the roof.

The 3m x 3m Garden Room with Insulated Roof Panel Build-up Sample Plans Package is made up of four components:
to give you an in-depth look at designing and building a well-specified garden room.

Step by step plans offer insight into each layer of the build

We have designed a 3m x 3m garden room that is 2.5m high, meaning it is Permitted Development friendly.

The Sample Plans look at the build-up of a well-specified, insulated, timber frame garden room. The 96 pages, look at each stage of the build-up.

The plans look at each layer of an Insulated Roof Panel build-up with detailed drawings.

The sample plans will give you insight into the construction of a 2.5m high garden room; even if you are planning on building a different size building, they will give you valuable insight to design it.

An essential companion

With the 3m x 3m Garden Room with Insulated Roof Panel Build-up Sample Plans Package, you get a PDF copy of the Seventh Edition of the Self Build Garden Room Guide eBook. We have recently updated the book with news of innovations in the garden room industry and details of materials that professional garden room designers use.

The Self Build Garden Room Guide is an essential companion to our sample plan sets, giving you more detail on materials we mention throughout the plans.

Material & price guides to see where the main costs are

The sample plan set comes with a spreadsheet where we have estimated the materials and costs for the project. We have also added an overview list of materials that you could use for pricing your own project.

The spreadsheet also includes a comparison of the self-build costs with those of buying a similar specification garden room on a full-service basis.

The files you get with this package

Self Build Garden Room Guide eBook - Seventh Edition

285 page PDF file of the Self Build Garden Room Guide - Seventh Edition.
Self Build Garden Room Guide - Seventh Edition.pdf
  • 138 MB

22.3 - Sample Plans - 3m x 3m Garden Room with a Insulated Roof Panel Build Up

96 page PDF file of the Sample Plans for a 3m x 3m garden room with an insulated roof panel build-up. 

These plans walk you through each stage of the build.

22.3 - 3m x 3m Garden Room with Insulated Roof Panel Build-up .pdf
  • 8.34 MB

22.3 - Materials & Costings - 3m x 3m Garden Room with a Insulated Roof Panel Build Up

Material and cost estimates for a 3m x 3m garden room with insulated roof panel build-up.

We have supplied this information as an easy read PDF and Excel spreadsheet which can also be opened in Google Sheets. 
22.3 Jan 23 - 3m x 3m Insulated Roof Panel Build-up Garden Room - Materials & Costings .xlsx
  • 27.5 KB
22.3 Jan 23 - 3m x 3m Insulated Roof Panel Build-up Garden Room - Materials & Costings - How much could you save self-bu.pdf
  • 34.9 KB

22.3 - SketchUp Models - 3m x 3m Garden Room with a Insulated Roof Panel Build Up

Here you have two layered SketchUp files of a 3m x 3m garden room with insulated roof panel build-up. The files were created in SketchUp Pro but can be opened and played with, in the free web-based version of SketchUp.

File one is divided into the 'Scenes' we used to create the illustrations in the sample plans, allowing you to take a closer look at an aspect of the design.

The second file is the full layered model and is designed for you to play with. You can turn 'Layers" on and off allowing you to modify the design. For instance, you could turn off the exterior layers to reveal the framework if you wanted to add a window.
22.3 - Editable Model.skp
  • 35.9 MB
22.3 - Scenes Used in Plans.skp
  • 36.6 MB

22.4 - Optional Concrete Slab Foundation Build-up

If you would prefer to build off a concrete slab foundation, these Sample Plans will be useful.

There are five files:

  • PDF of the Concrete Slab Build-up
  • Material & Cost Estimates spreadsheet and a easy read PDF version
  • SketchUp model showing the 'Scenes' used in the Sample Plans
  • Layered SketchUp model that you can edit
22.4 - 3m x 3m Optional Concrete Slab Build-up.pdf
  • 2.64 MB
22.4 Jan 23 - 3m x 3m Garden Room - Optional Concrete Slab - Materials & Costings .xlsx
  • 13.6 KB
22.4 Jan 23 - 3m x 3m Garden Room - Optional Concrete Slab - Materials & Costings - Cost Estimates.pdf
  • 44.3 KB
22.4 - Editable Model.skp
  • 24.5 MB
22.4 - Scenes Used In Plans.skp
  • 24.7 MB

Frequently asked questions

You’ve got questions about the 3m x 3m Garden Room with Insulated Roof Panel Build-up Sample Plans. We’ve got answers.

Do you sell the Sample Plans separately to the Self Build Garden Room Guide eBook?

No. The Self Build Garden Room Guide eBook and any Sample Plans and Costings we produce need to be read in conjunction with each other.
Throughout the Sample Plans, we make reference to the materials you might use. The Self Build Garden Room Guide ebook explains these materials in greater detail.

The eBook also contains valuable information about Planning Permission and Building Regulations, which you should be fully aware of before contemplating building a garden room.

In short, The Self Build Garden Room Guide eBook can be read without the Sample Plans element. But, the Sample Plans and Costings need to be read in conjunction with The Self Build Garden Room Guide eBook.

Are the Sample Plans Building Control Compliant?

No. Unless you are planning to sleep in your garden room, the size of our sample garden rooms does not need to be Building Control compliant.

It wouldn't be difficult to adapt the plans to make them Building Control compliant, but advice on that is beyond the scope of our service. 

Will the Sample Plans & eBook be updated?

Yes, we will update the costings in the 3m x 3m Garden Room with Insulated Roof Panel Build-up Sample Plans from time to time. We also update the Self Build Garden Room Guide eBook as the industry adopts new techniques and materials. You will have access to the updated versions via your account dashboard.

Do you offer any deals if I buy more than one set of Sample Plans?

Yes, if you would like to compare the different roof build-up options, you might find our 3m x 3m Sample Plans Bundle useful. With this package, you get all three of our 3m x 3m Sample Plan sets looking at a cold roof build-up, a warm roof build-up, and an insulated roof panel build-up.

Alternatively, our All Access Bundle will give you access to all our eBooks & Sample Plan sets.