Refurbished (Like New) Huawei P10 4/64GB Dual Sim eBay (universal-green-tech) £174.99
The seller has excellent feedback but the only downside I can see is the 45 day warranty.
Model is Huawei P10 VTR-L29 if you would like to review the spec.
£174.99 for Graphite Black. Gold and Silver are £179.99.