As with doing any works to existing houses, you're bound to discover a few unknowns are you start to peel back the layers of the existing house.
The rear extension has now been demolished, and the contractor has discovered an old water main pipe that comes under next doors rear extension / outrigger, branches off to supply our house, then continues to supply the neighbour on the other side as well.
As our re-built rear extension steps down in level from the existing, in order to allow insulation to the floor and roof, we will have to re-route this pipe on site.
There is also an existing small cellar below the front ground floor room, which was assumed to be there as neighbouring properties have unused cellar/coal holes.
As we are lowering the floor in order to insulate, the structural engineer has designed for the coal hole to be mass filled with concrete, to prevent the neighbouring party walls being unsupported as the new floor is excavated.
There is also an existing small cellar below the front ground floor room, which was assumed to be there as neighbouring properties have unused cellar/coal holes.
As we are lowering the floor in order to insulate, the structural engineer has designed for the coal hole to be mass filled with concrete, to prevent the neighbouring party walls being unsupported as the new floor is excavated.
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