Bifold Doors - Pre finished Walnut Bifold Doors All Stock Confirmed Before Payment is Taken. Designed to impress, the walnut door collection provides you with a range of internal bi-fold doors that are available to order directly from us. Refine Your Search Refine Your Search ∨ Size Select All 1981mm x 686mm x 35mm (78" x 27")1981mm x 762mm x 35mm (78" x 30") Price (£) to Manufacturer Select All LPD All Products Walnut Vancouver Bi-fold - Pre Finished ...From £289.44 inc. VATFrom £241.20 ex. VATView Product