A 1927 3 bed detached in the urban south-east.
Single paned crittal windows replaced in July with aluminium b rated double glazed units. External doors also replaced with double glazed units, except in scullery which is due for demolition.
Ground floor suspended on timber rafters without any insulation and most of ground floor stripped floorboards, hence drafts.
Ground floor walls are 11.5 inch cavity walls uninsulated.
First floor walls comprise 9 inch sold walls.
Loft is insulated with vermiculite – uneven in places.
Open fireplaces in lounge, dining room and bedroom 2. Sealed fireplaces (with ventilation) in bedrooms 1 and 3.
Heat loss calculations to follow ….