How to Hide Site Templates in SharePoint with PowerShell?

How to hide a site template in SharePoint ? Editing “webtemp.xml” file is one option to hide site templates in SharePoint 2007 as per my another article: Hide Site templates & List Templates in SharePoint

However, There is an another way to hide site templates in SharePoint 2010: Using PowerShell! Update “WebTemplates” property of SPWeb object. Say for E.g. The below script sets available web templates to “Team sites” and “Blog”. All others will be removed!

$Web = Get-SPWeb "https://sharepoint.crescent.com/teams/"

$Web.AllProperties["__WebTemplates"] = "<webtemplates><lcid id=""all""><webtemplate name=""STS#0"" /><webtemplate name=""BLOG#0"" /></lcid></webtemplates>"

#To Reset to Default, Use: $Web.AllowAllWebTemplates()

$Web.Update()

Just supply the site template ids to the above code to make it available. You can hide custom site templates as well. To get all available site templates, use: Get-SPWebTemplate SharePoint Site Template IDs Reference

Here is the Before and After screens:

After Executing the Script:

Hiding SharePoint site template can be achieved using C# Object model also. Manipulate SPWebTemplateCollection of SPWeb object and update it to hide a site template in SharePoint 2010 or in SharePoint 2007.

Remove Web Templates from SharePoint 2016 using PowerShell:

For SharePoint 2013 and SharePoint 2016, you can limit available site templates from site settings. Here is how:

• Go to Site Settings >> Click on “Page Layout and Site Template Settings”
• Set the option “Subsites can only use the following site templates” and Add templates to the right side list. 

  

PowerShell to hide web template in SharePoint 2013:

Add-PSSnapin Microsoft.SharePoint.PowerShell -ErrorAction SilentlyContinue

$SiteURL="https://intranet.crescent.com"

$Web = Get-SPWeb $SiteURL

#Get all web templates from the site
$WebTemplateCollection = $web.GetAvailableWebTemplates(1033)

#Get Team site and Blog site templates
$NewTemplateCollection = $WebTemplateCollection | where {$_.Name -eq "STS#0" -or $_.Name -eq "BLOG#0"}

#Update available web templates
$web.SetAvailableWebTemplates($NewTemplateCollection, 1033)
$web.Update()