霍華德城堡

霍華德城堡（）是英國英格蘭北約克郡的一座英國鄉村別墅，位於約克以北處。霍華德城堡雖然名為城堡，不過實際上並不是一座城堡。霍華德城堡是格拉納達電視台著名電視劇和電影故園風雨後的舞台。
外部連結
*[http://www.castlehoward.co.uk/ Castle Howard web site]

• [https://web.archive.org/web/20120224114237/http://viewfinder.english-heritage.org.uk/search/reference.aspx?uid=78387&index=0&mainQuery=Castle%20Howard&searchType=all&form=home Historical Images of Castle Howard]

*[https://web.archive.org/web/20101214130321/http://dicamillocompanion.com/Houses_detail.asp?ID=398 Castle Howard entry from The DiCamillo Companion to British & Irish Country Houses]
*[http://www.kewatch.co.uk/ Kew at Castle Howard website]
*[http://business.timesonline.co.uk/tol/business/industry_sectors/natural_resources/article7127606.ece TimesOnline article on Castle Howard's use of renewable energy systems]
*[https://web.archive.org/web/20101024124453/http://www.castlehoward.co.uk/Estate-Office/About-the-Estate/Ground-Source-Heating.html Castle Howard's article on their use of renewable energy systems]
*[https://archive.today/20130420195236/http://www.ecovisionsystems.co.uk/case_studies/castle-howard.html Installer's site on Castle Howard's renewable energy systems]
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