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- Home heating improvements Cost v Savings
Sun 17-Apr-11
1:06 pm
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Danny
Scarborough, England
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I came across an article in yesterday's Times written by their environment editor Ben Webster that related to moves to get estate agents to publish the heating costs of the property.

Whatever the merits or otherwise of that, what caught my eye was a simple table of the cost and saving of different home heating initiatives. It's something I have often wondered about but never really tried to seek out the answers.

Below is that table. I suppose it refers to "the average house" but I find the indicative payback amounts very interesting.

 

Cavity wall insulation: cost to install is £250 for a saving of £110 per annum

External solid wall insulation: £10,500 - £385

Loft insulation: £150 - £150

Draught proofing: £100 - £25

Condensing boiler £2,000 to £3,000 - £225

Double glazing: £2,000 to £6,000 - £130

 

The last one was the biggest surprise for me. I would have thought that double glazing would provide a far better annual saving than that.

Never knowingly underfed

Sun 17-Apr-11
1:25 pm
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Hattie
Bucks/Oxon Border

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Thanks Danny, 

The information is very interesting in the light of my ongoing building work & resulting total chaos. My house is built of solid wychert (about 20" thick walls) that holds the heat in wonderfully in winter & out in hot summers. I hope to be able to put in new double glazed windows if my budget runs to it.  

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"The beautiful is as useful as the useful...perhaps more so."

from Les Miserables

Sun 17-Apr-11
6:05 pm
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shelley
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interesting also for us!

 

double glazing is at the end of our list of improvements, and seeing the saving, I am glad.  We also have very thick old walls; cool, almost cold in summer and pretty warm in winter, or it will be once we insulate between the floors!

 

 

Sun 17-Apr-11
6:37 pm
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JoannaS
Latvia

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It might not make much of a saving but in terms of comfort it does. Here in our flat we had temperatures of around 14C when the heating company were acting up but those without double glazing had temperatures of around 9C. cheers There is EU money for insulating our concrete Soviet apartment but not sure that the other residents have enough to contribute their share but that would make a big difference to us as there is no cavity wall it would have to be external cladding.

 

Sun 17-Apr-11
10:40 pm
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Shereen
Near Belfast, Northen Ireland

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Those are interesting figures indeed, Danny. They've put me in notion of checking the depth of our loft insulation for a start!

The figures for double glazing are surprising, but like JoannaS said, the benefits it brought went beyond the savings in heating costs. Pre-double glazing I spent every morning in Autumn, Winter and Spring mopping up condensation puddles and trying to dry the carpet underneath the bigger windows.

G and I rate it as one of the top 3 best things we've done to our house. Oil heating, double glazing and electric shower. They still fill me with delight every day 🙂

Mon 18-Apr-11
6:27 am
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paperman
Saxmundham, Suffolk

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Like Shereen I am going to check out the loft insulation, also I wouldn™t want to be without my double glazing.

I do have a separate lounge but in this place I also have a small living room attached to my kitchen all open plan which means heat generated in the kitchen convects through into the living space, my cooker hood is set to recirculate rather than extract which OK means that I have to wash the filter regularly but when running (and I hate the noise of fans running) it is not sucking cold air in from outside or causing cold drafts.

Next, I have read that the human body radiates off around 100 watts plus whatever heat is given off from breathing, in addition I think my TV gives off about another 100 watts (have tried to get some info on these figures from Google and seems to be about right) so just sitting watching the TV or on the computer seems to add another 250 watts heat, not a lot but every little helps, as the lady said !!

I have reached an age where my train of thought often leaves the station without me...

Mon 18-Apr-11
6:50 am
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Sooliz
Somerset

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So we clearly need to have lots of bodies (live, human ones) all with their own laptops in our (unheated and cold) cottage during next winter! dohbig_laugh

We've just acquired (given one, bought the other for £10 on ebay) two oil-filled electric radiators.  I've no idea how much leccy they use, but they sure give off loads of lovely heat.

learning to love veg…..except celery :-O

Mon 18-Apr-11
7:25 am
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ep
Bulgaria

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My downstairs walls in most of the house are 40cms of stone but I've just had the house externally clad with the polystyrene stuff and can I feel the difference already....Five centimeters and then they wrap it up in a mesh and put a couple of skims of hard stuff over the top....they actually don't have thick loft insualtion here so I have had to go for four layers of 5 centimeters.  I phoned up a company in Sofia and was told that 20 cms would be a 'special order'...

Considering the temperatures here...it should make it cooler in the summer and warmer in the winter...well that's the plan.  My double glazing replaced existing holes, someone had had the glass, and frames but fortunately left me some walls.  big_laughbig_laugh

Who lives long sees much : The diary of my life in Bulgaria

Mon 18-Apr-11
7:40 am
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JoannaS
Latvia

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Have you thought of using wool fleece Elsa? It is supposed to be better than Rockwool because of the way it handles moisture. cheers

Mon 18-Apr-11
9:12 am
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seth
lincolnshire fens

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Go for it Elsa soggy sheep in the attic will keep you warmer than chasing cows in the garden, the poo's easier to handle too .whistle      runaway

Seed catalogues are responsible for more unfulfilled fantasies than the web and playboy combined . (after Michael Perry)

Mon 18-Apr-11
11:06 am
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ep
Bulgaria

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seth said:

Go for it Elsa soggy sheep in the attic will keep you warmer than chasing cows in the garden, the poo's easier to handle too .whistle      runaway

Just herding them in now Seth.....via the loft ladder....wonder if the sheep farmer will notice they're missing? So now need to sound proof the roof so he'll never know....big_laughbig_laugh

Who lives long sees much : The diary of my life in Bulgaria

Tue 19-Apr-11
7:18 pm
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JoannaS
Latvia

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Might need to insulate the ceiling too or all the stomping will give you a headache big_laugh

Tue 19-Apr-11
10:55 pm
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Danny
Scarborough, England
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Very interesting comments all (until Seth grabbed Elsa's sheep and made a dash for them thar hills big_laugh ).

Of course, adding an extra layer of clothing is an obvious one in cooler months. I often work with a blanket across my knees. Makes a massive difference in Dec, for example.

On another tack, we highly recommend that Dutch company that do moisture reducing inlays into your walls. They occasionally take out big ads in UK newspapers. My spelling may be wrong but I think they are Schrijver.

We paid about £1,800 from memory several years ago. They inserted special hollow bricks in the external walls around the damp part of our cottage. It really worked very well indeed, drawing the moisture from within.

Edit: yes, that is their name. Web site linky.

Never knowingly underfed

Thu 21-Apr-11
11:07 am
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devongarden
Devon, UK

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Danny said:

Very interesting comments all (until Seth grabbed Elsa's sheep and made a dash for them thar hills big_laugh ).

Of course, adding an extra layer of clothing is an obvious one in cooler months. I often work with a blanket across my knees. Makes a massive difference in Dec, for example.

On another tack, we highly recommend that Dutch company that do moisture reducing inlays into your walls. They occasionally take out big ads in UK newspapers. My spelling may be wrong but I think they are Schrijver.

We paid about £1,800 from memory several years ago. They inserted special hollow bricks in the external walls around the damp part of our cottage. It really worked very well indeed, drawing the moisture from within.

Danny, you are the first person I know who has heard of this process! I had it done to the front of the house after I moved in, and it works. The company I used is called Holland, I think, and is based in Cheshire. Ah, here is the link!

I think the figures for heat loss and cost of solid walls are based on brick buildings, not 18 inches or so of stone, or possibly an inner and outer of stone with rubble in between--the original cavity wall, in fact.

I got some of the windows double glazed a couple of years ago and it made a tremendous difference to those rooms in the last couple of cold winters. And a blanket, or one of these for sitting and reading or reading in bed helps.

I remember hearing that each person gives off 150 watts, so I guess any CSH gathering will be well heated.  runaway

Thu 21-Apr-11
1:50 pm
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seth
lincolnshire fens

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150 watts ! I'm brighter than I thought !!      runaway

Seed catalogues are responsible for more unfulfilled fantasies than the web and playboy combined . (after Michael Perry)

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