Is Cavity Wall Insulation actually worth doing? - page 1
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Is Cavity Wall Insulation actually worth doing?

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Andrew Ferguson

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Is Cavity Wall Insulation actually worth doing?
« on: August 24, 2014, 09:02:02 AM »
I have an older house - it was built in the 1970's and has no insulation in the walls at all.  I'm not even sure we have Cavity walls to be honest, the walls appear thin as we can hear the neighbours in their house, including when they turn lights on!

Wanting to try and get our bills down and this is one of our options.

Robyn Wahl

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Re: Is Cavity Wall Insulation actually worth doing?
« Reply #1 on: August 25, 2014, 11:19:31 AM »
I would say certainly it is worth doing.  If you are not sure if you have the walls to do it, get someone in to have a look and give you a no obligation quotation for it.

We have made sure we have done this, we built our own house and have ensured we have as much eco and renewable sources as possible, still looking into more

RBurdett

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Re: Is Cavity Wall Insulation actually worth doing?
« Reply #2 on: August 27, 2014, 09:47:17 PM »
Cavity wall insulation should only be undertaken after a sufficient CCTV survey. The purpose of this is to identify any mortar snots that lie across the ties inside the cavity between the walls. Builders often forget to remove this excess fallen mortar, which conducts moisture through to the inner wall, causing damp spots to appear on your inner walls. If this inspection is not undertaken properly, or at all in some cases and you are unlucky enough to get damp appearing, then any savings you will have realised from reduced heating bills will have evaporated along with a significant pile of cash for the repair costs.

There are mixed messages in the ether about the true value of cavity wall insulation and even fewer quantifiable/tangible savings figures from those who have had it installed. That is not to say it is not worth having in the long run, but be forewarned, if installed incorrectly or your property is inadequately surveyed then it is a gamble I would wholeheartedly advise against.

More on this topic here: https://www.renewableenergyhub.co.uk/types-of-insulation.html#jump_156

Richard.  ;)
« Last Edit: August 27, 2014, 11:02:59 PM by RBurdett »

GemmaRowlands

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Re: Is Cavity Wall Insulation actually worth doing?
« Reply #3 on: September 30, 2014, 09:40:51 AM »
Yes, it's definitely worth it. We had ours done thanks to a government grant a couple of years ago, and have noticed that the costs of our energy bills have gone down quite a lot. The good news is as well is that we didn't have to pay anything for it, because they were offering to do all of the houses in the area at the time. So that was great, and I feel as though it's something that's really benefitting us all now!

Luke Bainbridge

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Re: Is Cavity Wall Insulation actually worth doing?
« Reply #4 on: September 30, 2014, 04:02:57 PM »
It depends how much you're paying for it, and how long you're planning on staying in your property for. If you're settled and know you're not going to be moving, then it might be a worthy investment, however if you're not going to be there for long enough to reap the rewards of what you're saving, then there may be no point in doing it at all.

 

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