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Talk to me about knocking out chimney breasts

4 replies

LadyCurd · 07/08/2012 13:04

Hi,
We live in a Victorian terrace with chimney breasts in the two downstairs reception rooms and one of the upstairs bedrooms (ie. the chimney breast for the front of the house has been knocked out it the room above). Surveyor says chimney has been tied in properly where it's been removed. The fireplace in the front room is bricked up, is just a blank mass of bricks taking up lots of room in a small living room.

The fireplace at the back of the house could potentially be a working fireplace if we lined it but as we have two tiny children and good central heating and live in a smoke ban area we are unlikely to bother. The bedroom above it is a small double but currently impossible to really have a double bed and much other furniture in due to the fireplace would become a much more comfortable double with much easier to layout if a perfect square without the fireplace.

So we are thinking about taking out the useless fireplace in front room (with no chimney above). Any ideas how much this might cost to make good too? Do we need party wall agreements etc? can the bricks be reclaimed/sold?

Also I'm wondering about whether to completely remove the chimney breast in the opposite bedroom thus rendering the fireplace in the room below useless but a nice feature (that one does have a fireplace in it albeit not traditional and maybe we could get a gas fire or something in it?- venting?) or I think there is a way of reducing the size of a chimney breast and having it as a much narrower flue so the fireplace below could potentially still be a working fireplace slough we are very unlikely to use it as such. Any idea about the costs involved for either of those options? (that one would involve sorting the structural work of the chimney pots on the roof too to make them safe however we may tie all this work in with a loft conversion in which case that may come under that)

Any advice? Thanks for getting with me and hope you followed our complicated chimney dilemma!
Cheers
ladyC

OP posts:
mistlethrush · 07/08/2012 13:08

My father removed the chimney breast downstairs in a Victorian terrace - having taken advice from a building surveyor - and found that they'd packed the top of the breast with waste bricks etc - so they all fell out and he thought that his (and the adjoining neighbour's) chimney was falling in and that the two house would collapse. Luckily it was just the waste rubble. Grin

tricot39 · 07/08/2012 13:20

A messy but straightforward job if you already have a good support in the loft for the remaining stack.

It would require a party wall award. It is possible to end up with a hole through to your neighbour's chimney so you have to be a bit careful and so need to allow for some brickwork making good after the breast has been demolished. Depending on the stability of the old hearth/floorboards in the room above you may or may not need to remove this and make good the floor in the room over. After that you would need to make good the plaster on the party wall and ceiling. It might mean replacing the whole ceiling if it is in a bad condition and you should be able to do this while still retaining the existing cornice if it is still there. If it is an ornate cornice you would need to take castings and/or source replacement runs to fill in the missing section across the breast - unless you have a very skilled builder who might be able to just save the old section????

I would guess at least £2000 but it would be best to ask a local builder!

MadBusLady · 07/08/2012 13:57

Just in case this is at all a factor, I don't think smoke bans are 'absolute' anywhere (possibly very central London?) Where we are in zone 3 it's just restrictions on burning any old junk and on the type of stove you have if any. Plenty of people burn solid correctly seasoned wood pn an open fire here or in the many permitted types of stove. Your council website will have details. Realise you have other reasons for not wanting a fire yourselves but just thought I'd flag it up. It might put a small number of people (incl me) off when you came to sell not to have either chimney in situ.

MrsJREwing · 07/08/2012 16:12

In your position I would keep the complete chimney and remove the useless chimney downstairs.

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