Our loft is well insulated among the rafters then boarded out. Anyone able to comment on whether it is worth the additional cost/effort of insulating the underside of the roof. Tondo correctly looks somewhat non trivial/potentially fraught eg the cold roof approach described in https://www.ecotherm.co.uk/educate/blogs/how-to-insulate-a-room-in-the-roof
Our loft is well insulated among the rafters then boarded out. Anyone able to comment on whether it is worth the additional cost/effort of insulating the underside of the roof. Tondo correctly looks somewhat non trivial/potentially fraught eg the cold roof approach described in https://www.ecotherm.co.uk/educate/blogs/how-to-insulate-a-room-in-the-roof