doors, conservatories & double glazed windows durham and tyne + wear, we provide high quality double glazed windows, doors and conservatories across durham, tyne + wear and the north east, to both the trade and public., 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!, lender, allcheckeduk, credit, designed, novuna, products, terms, gill, affordability, apply, pelton, wales, personal, capital, provided, made, building, vat, status, xml, authority, stella, 2rg, finance, broker, fell, subject, privacy, ind, style, conditions, frn, registration, trading, regulated, england, conduct, reg, mitsubishi, authorised, dh2, est, bmw, financial, complaint, toolbox, -registered, number, durham, units, bmwwindows.co.uk.