Energy efficiency and historic buildings : insulating pitched roofs at ceiling level /
Pickles, Davidauthor,editor.
Revill, Simon,illustrator.
Historic England.
Title from cover.
"HEAG077"--Back cover.
"One of a series of thirteen guidance notes covering the thermal upgrading of building elements such as roofs, walls and floors"--Colophon.
Originally published: English Heritage, 2012.