Making a cellar deeper to increase heigh / space

Postby jon.mithe » Thu Dec 08, 2011 1:40 pm


I have a cellar in my house, unfortunately its not tall as a normal by a fair amount. I dont want to convert it into a habitable space, but thinking of damp proofing it and increasing the depth to make it a proper storage space.

I am enquiring about damp in the damp section of these forums, but does anyone know how feasible it is to make a cellar slighly deeper (say a 1-2 feet)?

I'm guessing the main problem is essentially this is digging into the foundations and I'm guessing this isnt really possible or requires major work / underpinning -- in which case I can deal with a short ceiling!

Any insight would be great, the house is English, 1900's traditional dual brick no cavity.

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Postby welsh brickie » Thu Dec 08, 2011 10:15 pm

I would be very carefull about excavating the cellar,A structural engineer is the best way to advise you before starting this kind of project.
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Postby jon.mithe » Wed Dec 21, 2011 9:53 am

yeah thats my worry, its somthing I'd probably avoid even if it could be done. Thanks for the help.
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Postby xavi99 » Wed Dec 21, 2011 7:58 pm

The scenario you present is not that uncommon. There are several companies that have appeared which do exactly as you describe. They create a basement in your property or extend an existing basement to make it deeper.

If you are in a fairly big town then you should be able to speak to them to get an idea of cost. They usually provide you with a one stop shop, they organise structural calcs, damp proofing and bg regs.

People do it, so it cannot be that cost prohibitive.

good luck

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