http://www.spab.org.uk/

http://www.celticsustainables.co.uk/

www.lime.org.uk

www.cadw.wales.gov.uk

http://www.victoriansociety.org.uk/advice/listed-buildings

http://www.buildinglimesforum.org.uk/

http://www.georgiangroup.org.uk/

http://www.simonswinfield.com/

http://www.stdavidsstudiogallery.co.uk/

NoelSmithJoinery tbc

www.mathiashomehardware.co.uk