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It will not bridge the original DPC, yes it is all below the ground level

Extension foundation is deeper, because if a new tree nearby.

Hi Guys, Building an extension. Is it normal to have a new extension foundation 20 cm higher than the original house foundation? See attached drawing. Or should it be level with the existing house foundation? Structural engineer specified a minimum 40cm from the foundation to the ground...

Thank you very much

Hi Guys, Does anyone have a detail for: foundation to concrete block, to beam and block, to timber frame wall? With a normal brick wall it is straightforward, a wall with cavity, beams sit in the internal brickwork. But with the timber frame, I do not need any cavity. Do I just lay concrete...

Hi guys, Building an extension, wanted to do a screed floor, but was told by a Structural Engineer that it needs to be beam and block as it is sitting on clay. Need to save ceiling space, are there any alternative floor types I can do on clay? Thanks

Hi Guys, If I find a Natural Gas (mains) outdoors BBq, what are the regs regarding fitting them? Can any Gas Safety engineer do this? Any specific requirements, like outside pipe lengths, etc? Thanks

Thank you, How do I know if the loop gets over certain size? Do boiler specs say it, or can I find it somewhere else?

So just installing FHV is not enough? Can I just close all radiators when I run the UHV? I normally runn heating at 60 degrees, but can go as low as the boiler can, I think the lowest is 50C

If I fit something like this, then it becomes ok? https://underfloorparts.co.uk/product/underfloor-heating-danfoss-chrome-plated-fhv-r-regulating-valve-temperature-control-unit-small-single-rooms/

I was thinking to apply for a Lawful Development Certificate , hopefully they will comeback with some recommendations on the finish.

Hi Guys, Building an extension and want to remove one radiator in the living room and use the pipework for underfloor heating in the extension. Is this ok to do? Can I just replace one radiator with underfloor heating without any other adjustments? I will install two valves on the pipes, so I...

Hi Guys, Planning to build a side extension. It falls under Permitted Development apart from one thing, the extension will be a timber frame with modern wooden cladding on the outside, but the house finish is yellow brick. Will this affect the Permitted Development status? If it will, I can...

Yes, no planning application, just building control

Correct

100mm cellotex and screed will go over the slabs

Sorry about that Attached

I will just cut the slab with grinder around the extension

As long as possible

Hi Guys Going to build a timber frame side extension on London Clay, see attached plan. Do I need any foundation, if I do, how deep? I currently have some patio slabs on a thin bed of concrete there. Was thinking just to do two courses of brick on top of the patio slabs and then DPC and the...