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., england, est, xml, terms, credit, -registered, gill, privacy, authorised, provided, conditions, registration, bmw, affordability, finance, style, apply, fell, dh2, toolbox, novuna, complaint, status, lender, trading, mitsubishi, wales, vat, personal, made, financial, ind, broker, 2rg, regulated, durham, stella, units, building, number, designed, frn, conduct, subject, products, reg, capital, authority, allcheckeduk, pelton, bmwwindows.co.uk.