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Why? I wouldn't recommend fitting the cavity into the room - the warm air will just condense on the cold solid wall causing you the same problems, plus you will make the insulation less effective by losing heat. Personally I wouldn't worry about venting at all - if you look at...

I want to block up an external door in an outbuilding connected to my house and trying to decide whether to lay the bricks directly on top of the existing concrete blocks layed in to the floor or to lift the two concrete blocks and create a mini foundation before laying bricks. The...

Thought I would add my thoughts as I have been tackling a similar damp situation in a Victorian house I bought a few months back. It might give you something to think about. 1. That sand and cement plinth was bridging your DPC, rendering it pretty much useless. If you do want to put a plinth...

In my house (built around 1900) the DPC is below the air-brick. You should be able to find it with inspection - it should be a thin membrane between the mortar and brick, normally black in colour. It should be fairly clear against the mortar and brickwork. There is a chance it is well covered...

He said "adding a bit of cement will help it cure quicker". I have read through lots of reading on the net that it can be quite common to add cement to the lime morat - but as you say the moment you add cement to the mix it removes the properties of using the lime. I did double check what the...

Thanks for the replies. I made sure I did my research beforehand on the mortar mix - and he assured me he used 3.5NHL hydraulic lime mixed with stone sand - think the ratio was 3:1

I have had one side of my house completely repointed last week, as it was in quite bad condition. I asked the tradesman to use a lime mortar as the house in an old Bath Stone building. Although he used a lime/sand mortar I believe he may also have added some cement to help it cure. My...

No cellar under the house - or atleast as far as I'm aware! Not sure I will know without pulling up floorboards. The photo below shows the back of the house - all of the red bricks are below internal floor level but the external ground level is lower at the back, hence more bricks. The...

I have recently moved in to an end-terrace Victorian house which has some minor damp issues internally. I am getting the entire 'detached' side of the house repointed as it is not in great condition and what to ensure there is no penetrating damp. I also want to reduce the ground level as...