Can You Fit a Woodburning Stove If You Do Not Have a Chimney?


Can You Fit a Woodburning Stove If You Do Not Have a Chimney?

It is a problem that affects many households in the UK: they want the warmth, cosiness and efficiency of a woodburning stove but there is no chimney in their home. Is it still possible to install a stove?

The short answer is yes. Even if your property doesn’t currently have a chimney or traditional fire opening – a situation that is increasingly common in new build homes - that needn’t prevent you from fitting a wood-burning stove.

There are a few options available if you find yourself in this position. The easiest and cheapest option is to have an insulated steel flue fitted.

Fitting an insulated steel flue

Also referred to as a twin wall flue, an insulated steel flue is effectively a steel chimney that is added to your property. When your stove is fitted, the flue will usually pass almost immediately through an outdoor wall and continue up the outside of the building.

Alternatively, it might run inside the building and out through the roof. This avoids having the pipes outside your home but might cause inconvenience in the rooms the flue passes through.

The latter approach is particularly well suited to contemporary stoves that are intended to be freestanding features in a room rather than placed in a traditional fire opening.

What is a twin wall flue?

A twin wall flue is made of two stainless steel fluepipes (the twin walls from its name) with at least an inch of insulation between them. There are two main reasons for this considerable layer of insulation.

The first is to ensure the outer layer of the flue remains cool. If it is running the full height of your house – inside or outside – you don’t want anyone burning themselves on the pipe.

The second reason is to maintain the temperature within the inner flue. When flue gases cool they condense and can leave behind deposits of tar and creosote. The thick layer of insulation ensures that the flue gases stay at a high temperature and don’t condense until they are outside the pipe.

This reduces the risk of fire inside the flue and stops the corrosive effects of tar and creosote.

Build a chimney

An alternative to using a twin wall flue is to build a traditional chimney stack in your property. This is a more expensive approach, but you might consider the investment worthwhile in order to create an authentic fireplace.

For a two-storey property, you can expect to pay in the region of £2,000 for the chimney to be built. You will need to judge whether the space you might have to give up in your rooms in order to make room the chimney is worthwhile.

Also, remember that there are building regulations specifically relating to chimneys. We would recommend you use a HETAS approved chimney installer to ensure that the work is done properly first time, meets all the regulations and, most importantly, is safe for you and your family.

Ready to fit your stove?

If you’ve decided to get a stove fitted using an insulated steel flue, you will find everything you need in the twin wall kits section of our website.





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Showing 1 to 20 comment(s) of 89

Gr8Fires 2020-02-24 12:48:11
@ Chris Suter Hi Chris This article should answer your question:
https://blog.gr8fires.co.uk/2015/09/15/building-a-hearth-for-a-wood-burning-stove/ Thanks, Gr8Fire
s


Chris Suter 2020-02-17 13:14:07
Hi, What protection do I need to put on a wooden floor for a multi fuel stove to stand on? will a
50mm slate hearth be ok beaded onto the wooden floor?


Alan Rodger 2019-11-29 15:00:41
Hi Adam, I bought one for my log cabin studio from you this morning !

Gr8Fires 2019-03-12 12:33:20
@ Ben Willems Hi Ben For an external flue, you would need to use a twin wall
flue. Thanks, Gr8Fires


Gr8Fires 2019-03-12 12:27:58
@ Chris Heels Hi Chris, Yes, there are legal requirements (and potentially manufacturer guidance).
More info here:
https://blog.gr8fires.co.uk/2013/09/24/how-much-space-do-you-need-to-leave-around-a-wood-burning-sto
ve/ Thanks, Gr8Fires


Ben Willems 2019-03-09 11:16:17
if i have cast iron pipe that can be fitted to the outside wall do i need a liner in that as i have
a bend at the bottom with an access hatch so it can be cleaned the pipe going through the wall is
that stainless steel ? or is there an alternative


Chris Heels 2019-02-24 11:19:21
Hi there, Just a simple question, I've had a multi fuel wood stove installed and am concerned how
warm the wooden mantle gets. It has warped and has actually come away from the wall either end by
10mm. Is there a minimum distance set by regulations that has to be adhered to, thank you.


Gr8Fires 2018-12-05 20:51:00
@ Ben Alder Hi Ben It's hard to say. A bad installation is one possibility, user error is another.
Or it could be poor brickwork just letting a bit of the smell through. Thanks, Gr8Fires


Ben Alder 2018-12-02 18:18:59
Hi I live in a semi-detached property and my neighbour installed a wood burning stove on the other
side of the party wall - the existing chimney is on the opposite side of the house. As there is a a
flue sticking out of the roof close to the party wall, I assume this is where the flue has been
placed. But I can now smell a smokey / fume smell in my front hall (which is against the party wall)
(they also installed a downstairs toilet a few years ago, again the other side of the party wall) -
what would be causing this? Many thanks.


Gr8Fires 2018-11-25 20:44:44
@ adrian clarida Hi Adrian Yes, you can use the rear flue exit. There are pros and cons to doing
so, but if it's best for your circumstances then there's no reason not to do it. More info:
https://blog.gr8fires.co.uk/2016/08/30/top-flue-exit-or-rear-flue-exit-on-woodburners/ Price
depends on a few factors, but probably around £1,500-£2,250. Thanks, Gr8Fires


adrian clarida 2018-11-13 14:53:19
Hi, Can a flue go right out the back for the fire and then up the outside wall or does it have to
go out teh top and at a 45' angle out to the outside wall. Also, what is the average cost of doing
an outside wall installation? It is 5m to the roof line on a gable end


Gr8FIres 2018-08-28 11:14:19
@ Lorraine Allan Hi Lorraine No, the flue pipes are made from different grades of material. A gas
flue is not suitable for wood burning. Thanks, Gr8Fires


Lorraine Allan 2018-07-05 07:11:09
Its a small n for nice. We have a new build house now 18 years old we have a gas fire in the lounge
a tube runs out of the wall into the side of the house. This is to let any fumes out. Could we place
a log burner fire in its place and what would we need to do we have no chimney


Gr8Fires 2018-07-04 15:11:29
@ Dorothy Ferrier Hi Dorothy Yes, you would just need a twin wall flue:
https://blog.gr8fires.co.uk/2016/10/12/8-possible-twin-wall-flue-designs-for-your-woodburner-install
ation/ Thanks, GrFires


Dorothy Ferrier 2018-05-12 13:40:27
Hi there I'd love a fire but I don't have a chimney in my extensions there any way I could have one
it's just another room I've added and that's the room I live in I would appreciate your advice many
thanks . Dorothy Ferrier .


Gr8Fires 2018-03-06 10:01:23
@ Mark Bell Hi Mark Start with the basics: perform a visual check for any holes in the body, check
for frayed or squashed rope, make sure there is no build-up of soot or tar in the vent or its
workings. You can also trap a sheet of paper in the door, close the door and try to remove the paper
without tearing it. If you can do so, it isn't sealing tight enough and the rope might need to be
replaced. Thanks, Gr8Fires


Gr8Fires 2018-03-06 09:54:18
@ Timothy Hardwicke Hi Timothy You could check with your local authority, but we would think it's
unlikely unless you were able to reach an agreement with your neighbour. Thanks, Gr8Fires


Timothy Hardwicke 2018-03-03 00:38:24
I live in a semi detached ground floor garden flat that I own ,would I still be able to run a flue
directly out and up the outside of the building even though the flat above is not mine? Both me and
the flat above share the freehold.


Gr8Fires 2018-02-04 20:53:52
@ June Walton Hi June That will depend on what you currently have. Inset stoves are designed to
slot in to standard fireplace openings:
https://www.gr8fires.co.uk/stoves/inset-stoves Thanks, Gr8Fires


june walton 2018-02-03 20:40:29
coukd i still keep the fireplace i have now

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