New insert stove - on top of floorboards?

[mrpez]

Hi, just after some advice?
I'm installing a new inset stove but don't have any kind of chimney/flue in place so basically starting from scratch.
My floor isn't concrete, its wooden boards with space underneath.
What I'm wondering is whether or not it is possible to build the stove housing on top of the floor boards or do I have to lift them and lay a concrete foundation?
Its the weight issue I'm actually worried about, rather than heat as I am having the stove raised up about 20cm from the floor level and there will be insulation all around the stove as well as a suitable non-combustable hearth.
Any advice would be appreciated!
Thanks

 

[Richard C]

As this comes up so often, I’ve put together this generic post.

You can DIY an open fire or stove install but you need to understand the Building Regs (which changed in October 2010), submit a Building Notice & pay a fee. Your LABC will inspect &, assuming everything is OK, issue a compliance certificate; the BI may want to witness smoke & spillage tests. No compliance certificate may lead to difficulties when you come to sell your property; if you cannot produce a compliance certificate in the event of a problem, your insurance company may invalidate your policy & reject any claim.

Lots of archive threads on this & some things you need to watch out for, read the links but not all may be relevant or apply to you;

http://www.stovesonline.co.uk/stove_building_regulations.html
http://www.solidfuel.co.uk/pdfs/opening_up_your_fireplace.pdf
http://www.woodburnerwarehouse.co.uk/building_regualtions_for_stoves.phtml
http://www.planningportal.gov.uk/uploads/br/BR_PDF_ADJ_2010.pdf
http://www.hetas.co.uk/public/certificates.html
http://www.solidfuel.co.uk/pdfs/buidling_regs_consumer leaflet.pdf
//www.diynot.com/forums/viewtopic.php?t=183614
//www.diynot.com/forums/viewtopic.php?t=211524
//www.diynot.com/forums/viewtopic.php?t=242738
//www.diynot.com/forums/viewtopic.php?t=224751
//www.diynot.com/forums/viewtopic.php?p=1855590#1855590

& some more sobering reading just in case you think it’s all a load of old tosh:
http://www.solidfuel.co.uk/main_pages/news.htm
http://www.dailymail.co.uk/news/art...wood-burning-stove-leaks-carbon-monoxide.html
http://www.eveningnews24.co.uk/news/warning_over_heaters_after_norfolk_couple_s_death_1_811099
http://www.dailymail.co.uk/news/art...ouple-dead-arms-sofa-overcome-coal-fumes.html

Also get at least 3 quotes from local independent HETAS installers:
http://www.hetas.co.uk/nearest_member

You might be pleasantly surprised & you should ask yourself if you really want all the hassle & risk getting it wrong; climbing onto the roof with an 8M stainless steel snake on your back is not for the feint hearted!

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[mrpez]

Sorry, I should have included in the post...
I'm definitely not doing the install myself, think its above my capabilities! I was just going to do the interior cosmetic stuff myself and get a hetas guy to do the actual install!
Thanks though, will have a read of the info.

 

[Richard C]

If you look at the links you will find there are several which cover the Building Regulations side of things. What you need to do by way of constructional hearth & combustible materials depends on the type of stove you are going to install but I would advise you consult your HETAS installer before doing any Building Regs related work. It is, after all, your installer who has to sign off that it complies & you need to ensure thay are OK with you doing the work & will sign it off as compliant.

 

[peaps]

It all depends on the heat generated from the stove. You can't fit a stove above conbustables so you will need to have a harth inserted to the correct spec.

 

[mrpez]

Thanks very much for all the info.

I won't be doing anything before speaking to the installers, it was really just to have an idea myself of what would be required.

Heat-wise, I think I should be ok as the stove is going to be raised up and I will lay a hearth underneath too. It was more for the weight that I was wondering about.