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Presumably by 'wind tunnel' you have what we call a ginnel between the properties? The ceiling of the ginnel will effectively be under a bedroom floor? If that's the case then there is no reason why you shouldn't be able to do the wall on your side of the ginnel. If the ceiling is your...

There's no way it's salt efflorescence. Zoom in on the picture and you can clearly see that it's been painted with white paint or emulsion that is peeling off, probably due to damp.

Oh, didn't realise you'd costed the difference between building a cavity wall and EWI. You clearly have a jaded view on EWI that bears no relationship to fact. :roll:

Make sure you fully understand these systems before you start planning the install. Many have been poorly installed and are starting to fail prematurely though there's no reason they shouldn't last 25 years so long as the install is properly managed. My advice would be to choose enhanced...

Mad idea? There are millions of pounds of EWI retrofit work being carried out in the UK and has been for quite some time. I know all about these systems having authored an article on them for the construction, Research and Innovation Journal. Pragmatically this is the best and most cost...

Are you just looking for a plasterer or someone to look at the damp problem? A plasterer won't be able to tell you anything about the damp beyond the fact that the plaster might be wet. I work in the Birmingham area if it's a diagnosis you're after? Www.buildingdefectanalysis.co.uk

It makes no sense to try and create a cavity wall above a solid wall and there is no need whatsoever. Personally I would build solid walling with external wall insulation.

A French drain is an option but bear in mind that they get silted up every 12-24 months and need regular maintenance that most people don't bother with. Believe it or not I have a patent pending on a building product that would solve your problem.

No one can quantify the risk because no one knows what material the OP has been exposed to or if that exposure was above the occupational exposure limit. If one of my site staff has an unplanned exposure to asbestos then the bottom line is that they get a medical assessment including lung...

It seems fairly obvious that the builders have used an overly weak mortar mix but you have to prove it and the only way is by petrographic analysis. Try to get on record what mortar mix the builder claims to have used then have a sample of the mortar sent off to a lab that does petrographic...

That's fine but not all architects are RIBA registered or bound by their codes of professional conduct, the architect could be MCIAT.

I frequently have clients coming to me for surveys saying they have been advised that they only need the homebuyers survey as it's new build. Yet consistently I find more serious problems with new build construction than I do in old buildings. The NHBC are in the business of refusing claims and...

Alarmingly you are considering taking drastic action based on nothing more than a surveyor using the word alarmingly and carrying out an incomplete diagnosis with nothing more that an electrical hand held moisture meter. You do not have a diagnosis and should not take any action until you do...

I don't think so Tony but that doesn't mean I'm right. This is based on what I can see in the pictures and there is no rotational cracking of the brickwork and no cracks that would merit serious attention according to the BRE crack interpretation guide. There may be some external land slippage...

There is nothing to suggest subsidence but it will need to be completely re-rendered as others have suggested. Another concern I have is that it appears to have Finlock gutters which will cause cold bridging issues internally and subsequent dampness.

Adequate wall bass ventilation... Ensure that external floor levels are 200mm lower than internal finished floor level and you don't need a physical DPC. Thousands of buildings do not have a DPC and perform perfectly well without them so long as this rule is followed.

I did two static line jumps 25 years ago, the first went great, the second not so much. I tore all the tendons in both ankles on the second jump. In fact there were quite a few injuries, one girl chipped a bone in her spine. I'm sure tandem jumps are a lot safer but be assured that if you're...

Based on the information no one will be able to answer your question. The picture you have supplied shows cracking above the voussoir in the brick arch and will have nothing to do with the roof. One of the more common causes of cracking attributable to the roof is caused by roof spread, this...

Hi Dave, General rule of thumb is that masonry dries out at a rate of 25mm per month so obviously a 225mm solid wall will take around 9 months. This is natural drying without assistance. You can speed this up by hacking off the plaster and hiring a snail fan, leave the fan blowing at...

To get verge fillets done correctly they must be done in one operation when laying the last course of roof tiles at the verge. Otherwise you are really just buttering up the joint. Secondly, it is the sand and cement mixture that it often wrong, builders and roofers all have their own...