Bargain Building Supplies. we are a family owned business that has operated here in London for over 20 years. we offer a wide variety of services including; a custom exterior door program, a stock window program, window and door custom orders, over 100’s of doors in stock, 4000+ surplus windows, 1000’s of door glass, sealed units, exterior door parts, and other miscellaneous window and door hardware with a range of other building supplies. come take a look at our show room and our 4 archer yard filled with windows, doors and other amazing finds. We are open Tuesday-Saturdays (Tuesday- Friday 8:30-4 and Saturday 9-1), we also close the Saturday of long weekends to give our employees time to spend with family.