Can you walk into the space? If so then you can almost certainly get a digger in. There's also self propelled wheel barrows that will fit through a door way, some even loading shovels.Im still getting suggestions of mini diggers...
You've reminded me, are the Ali ones Ok?Ive done this job in a very similar situation with a breaker with a clay spade bit and a wheelbarrow to barrow it all up near the door, and poked my jcb back acter with a small bucket through the doorway and tipped into that to remove it to save having to push the barrow up a ramp to outside. I was removing a rubble floor and lowering it a bit for more headroom to the celing which was a solid concrete slab before pouring a new floor.
I picked the 3.5Kw one of these up recently: https://fr.aliexpress.com/item/1005010131635489.html?
Its more than capable of this task if you have other jobs for it too it might even be cheaper than hiring one and you'll find cheaper/uk based sellers etc if you do some digging round aliexpress etc (as it were...). My favourite use so far is driving in fencing posts with a homemade tool, just apply hammer tool to top and brrrrr its in. I use it with a clay spade to do small trenches etc to lay services into when I cant get the jcb in near enough without risking some jcb fade on the structure. They take standard hex tooling bits and the clay spade is worth having...
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Hex Shank Electric Hammer Breaker Clay Spade Shovel Chisel Cutter Chisel Extra Wide Pointed Chisel Tipped - AliExpress
Smarter Shopping, Better Living! Aliexpress.comfr.aliexpress.com
And you can get em' cheaper then that from Screwfix sometimes, the 1 time only use break up a path lads, return them as faulty, they're not, and SF knock em' out on discount.ive got one of these easy brake that up
and when using you stand up lean on it a bit and let the weight of the unit drive it down and then pull side ways or backwords to use it as a lever to lift what infrount of it and repeat spade out the loose stuff start again
Can you walk into the space? If so then you can almost certainly get a digger in. There's also self propelled wheel barrows that will fit through a door way, some even loading shovels.
For example this is a relatively large micro digger at 1.2t
View attachment 519396
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1.2 Ton Micro Excavator
The smallest in our excavator hire range is this a super compact and highly reliable micro excavator weighing in at just 980kg. The tracks on this…balloohire.com
If you're not going to accept that fact then just get a mattock and a shovel out.
I know nothing of diggers - maybe that would fit one, I don't know?
A kango would be my minimum level of tooling...the purpose of using the spike is to make the job easier., whilst i will only want to go down a bit, its not like a layer of concrete that you can fracture and "peel" off in sections
Andy Dufresne can attest to that.A kango would be my minimum level of tooling...the purpose of using the spike is to make the job easier.
...yes in theory you can do the whole job with less tools.

i recon a fourm meet at yours plenty of beer and gently drop in to the convos that the floor needs lifting id say a coule hours with 20 or 30 blokes and some tools it will be all out and the cost off beer and curry
It took 30 pages to get a table out of a van.i recon a fourm meet at yours plenty of beer and gently drop in to the convos that the floor needs lifting id say a coule hours with 20 or 30 blokes and some tools it will be all out and the cost off beer and curry

its not like a layer of concrete that you can fracture and "peel" off in sections. Its just rock no matter how far you go down.
And...
Im still getting suggestions of mini diggers...
Well 2 years in of occasional abuse and its still working and nothing has broke, so make your own judgement on that.You've reminded me, are the Ali ones Ok?
Thankyou.Well 2 years in of occasional abuse and its still working and nothing has broke, so make your own judgement on that.
I keep oil in the tank in the breaker mechanism and dont leave it out wet so it probably gets a better life than most breakers dossed in the mud at the end of the day.
would only take half an hour to dig an exploratory hole as to whats needed 



