Our house was build in 1886 and has very soft victorian bricks and a
2.5" cavity. Would it be very effective to install cavity wall insulation in these walls? And am I likely to encounter any problems?Thanks, Dave.
Assuming you have already piled a lot of insulation into the roof space and got rid of drafty windows etc., cavity wall insulation is well worth doing. Provided you've got a decent damp course, and haven't got any obvious damp problems with the walls, you should be ok with modern cavity insulation materials.
The loft insulation is coming on Tuesday! I'll probably see what difference that makes first.
AFAIK there isn't a damp course. Part of the house has had an injected damp course but I think that's only where problems existed in the past. We don't have any major damp problems though.
The windows are all sash so are inherently a bit draughty. I've blocked up the major gales though!
It may be an idea to look at secondary glazing, the type that you fit onto the frame in the winter, and remove again in the summer.
Rick
You can get very very effective double glazed and draught proof sash windows these days,..there is a company who specialises..until those draughts are gone, forget cavitry wall...pound for pound better windows are more use. Even if only single glazed. Draughts are the biggest killer in winter for losing heat.
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