doors, conservatories & double glazed windows durham and tyne + wear, based in chester-le-street (county durham) bmw building products is run by a friendly family team providing a wide range of high quality double glazed windows, doors and conservatories. our products are suitable for any project, whether it's a small replacement or a contemporary new build., areas covered. we also cover essex & sussex!, we provide high quality double glazed windows, doors and conservatories across durham, tyne + wear and the north east, to both the trade and public., novuna, made, ind, authorised, financial, 2rg, finance, regulated, lender, building, -registered, number, reg, xml, privacy, terms, stella, vat, dh2, apply, units, conditions, mitsubishi, wales, complaint, style, credit, registration, designed, allcheckeduk, authority, durham, subject, bmw, frn, capital, gill, status, fell, toolbox, pelton, broker, products, england, est, personal, conduct, affordability, provided, trading, bmwwindows.co.uk.