simon mitchelmore wrote:

Only problem I have is where it meets a 2m wide patio door I cant
find a suitable 2m strip which will allow expansion underneath it,
like an upturned L section. Currently have a 10mm gap there! Any
ideas?

https://www.flooringsuppliescentre.co.uk/products/flooring_accessories/thresholds_edgings/tradition_flooring/2517/unfinished_solid_oak_lshaped_threshold_40x15_mm_24 _m.html