Hearth thickness for fireplace

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We have an old victorian fireplace with damaged tiles - this hearth is flush with the floor and framed by the wood of the floorboards. A friend has told me that I can't just retile this hearth and that because of building regulations I need to install a bigger and deeper hearth.

If I have to raise the hearth I'll need to take out the fireplace (it rests on the hearth as well as being screwed into the wall at either side) and then put it back on top of the hearth - obviously a lot of hassle!

Can anyone tell me the regulations regarding this? When I look this up on the internet most of what I find is regulations regarding woodburners and stoves, but what I have found on fireplaces seems to vary - one thing I read says that the hearth only needs to be 12mm deep (ok to do with tiles) as long as it is clear where its boundaries are (that means I can keep the old-style hearth), while another thing I read says it needs to be 50mm thick (sounds more like a modern one).

Any help greatly appreciated - thanks.
 
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Do you have a solid fuel open fire in place at the moment?
Is it in use?

What are the dimensions of the fire opening in the c/breast, and the dimensions of the front hearth outside the c/breast?

Look at the bottom of this page at similar Posts and research them.

All the info. required is accessible in gov regulation sites.
 
The dimensions of the opening are 20cm deep 33cm wide and 58cm tall - its a cast iron combination fireplace.

I have looked at the section J building regs and - sorry to be thick - I can't see clear explanations for a layman of hearth thickness. It does say that a superimposed hearth can be 12mm above a floor but not - as far as I can see how deep the constructional hearth then needs to be.

A simple interpretation for a thicko like me would be much appreciated.

Thanks
 
Dann09 - also forgot to mention that I've ssen the posts at the bottom of the page - they don't add anything to this question. Honestly - I have looked- I don't just post stuff because I can't be bothered!
 
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We have an old victorian fireplace with damaged tiles - this hearth is flush with the floor and framed by the wood of the floorboards. A friend has told me that I can't just retile this hearth and that because of building regulations I need to install a bigger and deeper hearth.

If I have to raise the hearth I'll need to take out the fireplace (it rests on the hearth as well as being screwed into the wall at either side) and then put it back on top of the hearth - obviously a lot of hassle!

Can anyone tell me the regulations regarding this? When I look this up on the internet most of what I find is regulations regarding woodburners and stoves, but what I have found on fireplaces seems to vary - one thing I read says that the hearth only needs to be 12mm deep (ok to do with tiles) as long as it is clear where its boundaries are (that means I can keep the old-style hearth), while another thing I read says it needs to be 50mm thick (sounds more like a modern one).

Any help greatly appreciated - thanks.
Seeing as you are not refitting or altering the fireplace (replacing tiles is maintenance) I don't see why you have to make this old fireplace comply with current building regs.
 
For solid fuel appliances

Constructional hearth .. 125mm

Superimposed hearth .. A visible difference in levels to discourage combustible floor finishes such as carpet to fitted

Document J building regs

Andy
 

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